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Irritability is a common, impairing, and potentially multifaceted manifestation of psychopathology. We designed The Irritability and Dysregulation of Emotion Scale (TIDES-13) to determine whether various expressions of irritability in children and youth form multiple subdimensions with distinct correlates. We administered parent-report (n = 3875, mean age = 8.9) and youth self-report (n = 579, mean age = 15.1) versions of TIDES-13 in a population and community-based sample. We conducted exploratory/confirmatory factor analyses and regression analyses to examine the dimensionality of TIDES-13 and the associations of the scale with age, gender, anxiety, depression, ODD, ADHD traits, and the Affective Reactivity Index (ARI). A higher-order model with a global irritability dimension and four subdimensions, including proneness to anger (PA), internalized negative emotional reactivity (iNER), externalized negative emotional reactivity (eNER), and reactive aggression (RA), showed good to excellent fit in both parent-report and self-report. The global irritability dimension showed excellent internal reliability (⍵Total; parent-report = 0.97, ⍵Total; self-report = 0.95), explained a majority of the item variance (⍵Hierarchical; parent-report = 0.94, ⍵Hierarchical; self-report = 0.90), and was moderately correlated with the ARI (rparent = 0.68, rself = 0.77). Subdimensions PA, eNER, and RA were negatively associated with age in males, whereas iNER was positively associated with age in females. Traits of ODD and ADHD were associated primarily with the global irritability dimension, whereas iNER was strongly associated with anxiety and depression traits over and above the global irritability dimension. Our results support a unidimensional interpretation of irritability in a population sample. However, limited evidence of specific behavioral, age, and sex correlates with particular irritability subdimensions may warrant further investigation.

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BACKGROUND: This study focuses on the frequency of cyber sexual harassment (CSH) and examines its link with five health impact indicators (self-perceived health, medication, suicidal ideation, suicide attempts and use of health services). METHODS: Analyzing the data provided by the 2019 Macro-survey on violence against women in Spain, two items of which refer to CSH. It was conducted in Spain on a representative sample of 9568 women aged over 16 years old. RESULTS: A total of 9.15% of the women surveyed had experienced CSH at some point in their lives. Being under 25 years old, having higher education, not being in a relationship, having no religious beliefs and having a certified disability are sociodemographic characteristics associated with a higher risk of CSH. Women who have experienced other forms of gender-based violence also show an increased risk. Female victims of CSH reported higher rates of suicidal ideation (20% versus 9.79% in non-victims of CSH) and suicidal attempts (7.20% versus 1.74% in non-victims of CSH). CONCLUSIONS: These findings have significant implications for the design of preventive health polices, which should incorporate strategies to address CSH as part of the continuum of multiple interrelated forms of gender violence that affect women and girls throughout their lives.

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BACKGROUND: Elevated concentrations of ferritin seem to be detrimental to human health while being quite common in the elderly. Data on dietary, anthropometric, and metabolic correlates of circulating ferritin levels in the elderly are scant. OBJECTIVES: We aimed to identify a dietary pattern, anthropometric, and metabolic traits associated with plasma ferritin status in an elderly cohort (n = 460, 57% male, age: 66 ± 12 y) from Northern Germany. METHODS: Plasma ferritin levels were measured by immunoturbidimetry. Reduced rank regression (RRR) yielded a dietary pattern explaining 13% of the variation in circulating ferritin concentrations. Cross-sectional associations of anthropometric and metabolic traits with plasma ferritin concentrations were assessed using multivariable-adjusted linear regression analysis. Restricted cubic spline regression was used to identify nonlinear associations. RESULTS: The RRR pattern was characterized by a high intake of potatoes, certain vegetables, beef, pork, processed meat, fats (frying and animal fat), and beer and a low intake of snacks, representing elements of the traditional German diet. BMI, waist circumference, and CRP were directly, HDL cholesterol inversely, and age nonlinearly associated with plasma ferritin concentrations (all P < 0.05). After additional adjustment for CRP, only the association of ferritin with age remained statistically significant. CONCLUSION: Higher plasma ferritin concentrations were associated with a traditional German dietary pattern. The associations of ferritin with unfavorable anthropometric traits and low HDL cholesterol were rendered statistically nonsignificant upon additional adjustment for chronic systemic inflammation (measured as elevated biomarker of the measurement of inflammation (CRP)), suggesting that these associations were largely driven by the proinflammatory role of ferritin (an acute-phase reactant).

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Functional impairment rating scales are few in numbers and have mainly been examined in clinical populations. The Weiss Functional Impairment Rating Scale-Parent report (WFIRS-P) is a case in point. We tested the psychometric properties of the WFIRS-P in the largest general population study to date and for the first time examined the factor structure of the scale in a general population setting. Participants were 2,027 schoolchildren aged 6 to 11. Parents/caregivers completed the WFIRS-P and criterion measures of quality of life, attention-deficit/hyperactivity disorder, and behavioral/emotional symptoms. Confirmatory factor analysis and convergent/divergent validity analyses supported a six-factor structure: family, life skills, self-concept, social activities, and the separation of the school domain into two smaller domains covering school learning and school behavior. Children with and without a history of referral differed significantly on all six domains supporting the external validity. In conclusion, the WFIRS-P was found to generate valid scores in a general population sample.

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BACKGROUND: The Versus Arthritis Musculoskeletal Health Questionnaire (MSK-HQ) measures symptom severity and health-related quality of life (HRQoL) of people with musculoskeletal (MSK) conditions. We aimed to test the psychometric properties of the MSK-HQ among the general adult population and identify the determinants of MSK-HQ states. In addition, we aimed to explore the relationship between MSK-HQ and standard well-being measurement tools. METHODS: The translation proccess of the MSK-HQ into Hungarian followed the standard methods provided by the developer. A cross-sectional online survey was performed in Hungary involving a population normative sample (N = 2004, women: 53.1%; mean age: 48.3, SD = 16.6 years). Socio-demographic characteristics and self-reported MSK disorders were recorded. Alongside the MSK-HQ, standard measures of HRQoL (EQ-5D-5L), physical functioning (HAQ-DI) and well-being (ICECAP-A/O, WHO-5, Happiness VAS) were applied. Clinical and convergent validity were assessed by subgroup comparisons (Mann-Whitney-U and Kruskal-Wallis tests) and Spearman's rank correlations. Internal consistency was assessed by Cronbach's alpha. Test-retest reliability (N = 50) was evaluated by intraclass correlation coefficient (ICC). Predictors of MSK-HQ were analysed by ordinary least square multiple regressions. RESULTS: The mean MSK-HQ index score was 44.1 (SD = 9.9). MSK-HQ scores were significantly lower in subgroups with self-reported MSK disorders. Correlations were strong between MSK-HQ and EQ-5D-5L (0.788), EQ VAS (0.644) and HAQ-DI (-0.698) and moderate with the well-being measures (p < 0.05). Cronbach's alpha was 0.924 and ICC was 0.936 (p < 0.05). Being a man, living in the capital, having higher income and education were positively associated with MSK-HQ scores. CONCLUSIONS: This is the first study to prove the validity and reliability of the MSK-HQ among the general public. The impact of socio-demographic characteristics on MSK-HQ scores deserves consideration in clinical studies.

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PURPOSE: Measures taken to limit the spread of the COVID-19 may have had unintended consequences for the mental and somatic health of children and adolescents. METHODS: A nationwide three-wave survey in a representative sample of 12-16 year olds in Norway, with baseline data collected in January 2019 (n = 9,240; 49% girls) and follow-ups in June 2020 (n = 3,564; 49% girls) and June 2021 (n = 3,540; 47% girls). Linear mixed-effects models were used to estimate change and identify predictors thereof in mental and somatic health complaints. RESULTS: Following an initial stable trend from before the pandemic to the early phase, both mental health problems (predicted value at T1 .56 [CI .55, .58], T1-T2 change -.04 [CI -.07, -.02], T2-T3 change .12 [CI .09, .14]) and somatic health complaints (predicted value at T1 .59 [95% CI .58, .61], T1-T2 difference -.09 [95% CI -.11, -.65], T2-T3 difference .18 [95% CI .15, .21]) increased significantly 15 months into the pandemic, when controlling for age in the models. When compared to boys, girls had a significantly more pronounced increase in mental health problems and somatic health; loneliness in the early stages of the pandemic significantly predicted health complaints one year later, both mental and somatic complaints. DISCUSSION: Our findings suggest that the prolonged pandemic situation and the related societal restrictions have had an impact on adolescent health in general and on the health of girls in particular. The rise in mental and somatic health complaints can in part be attributed to an increase in loneliness.

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OBJECTIVES: To estimate mortality on grounds of the severity of alcohol dependence which has been assessed by two approaches: the frequency of alcohol dependence symptoms (FADS) and the number of alcohol dependence criteria (NADC). METHODS: A random sample of adult community residents in northern Germany at age 18 to 64 had been interviewed in 1996. Among 4075 study participants at baseline, for 4028 vital status was ascertained 20 years later. The FADS was assessed by the Severity of Alcohol Dependence Scale among the 780 study participants who had one or more symptoms of alcohol dependence or abuse and vital status information. The NADC was estimated by the Munich Composite International Diagnostic Interview among 4028 study participants with vital status information. Cox proportional hazard models were used. RESULTS: The age-adjusted hazard ratio for the FADS (value range: 0-79) was 1.02 (95% confidence interval, CI: 1.016-1.028), for the NADC (value range: 0-7) it was 1.25 (CI: 1.19-1.32). CONCLUSIONS: The FADS and NADC predicted time to death in a dose-dependent manner in this adult general population sample.

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STUDY DESIGN: Prospective follow-up study. OBJECTIVES: We aimed to assess the effect of lumbar spine fusion (LSF) on disability, health-related quality of life and mortality in a 5-year follow-up, and to compare these results with the general population. METHODS: 523 consecutive LSF operations were included in a prospective follow-up. Disability was assessed by the Oswestry Disability Index (ODI), and HRQoL by the 36-item Short Form (SF-36) questionnaire using the physical and mental summary scores (PCS and MCS). The patients were compared with an age-, sex-, and residential area matched general population cohort. RESULTS: The preoperative ODI in the patients was 46 (SD 16), and the change at 5 years was -26 (95% CI: -24 to -28), p < 0.001. In the population, ODI (baseline 13, SD 16) remained unchanged. The preoperative PCS in the patients was 27 (SD 7), in the population 45 (SD 11), and the increase in the patients at 5 years was 8 (95% CI: 7 to 9), p < 0.001. The patients did not reach the population in ODI or PCS. The baseline MCS in the patients was 47 (SD 13), and the change at 5 years 4 (95% CI: 3 to 7), p < 0.001. MCS of the females reached the population at 5-year follow-up. When analyzing short and long fusions separately, comparable changes were seen in both subgroups. There was no difference in mortality between the patients (3.4%) and the population (4.8%), hazard ratio (HR) 0.86. CONCLUSIONS: Although the patients who had undergone LSF benefited from surgery still at 5 years, they never reached the physical level of the population.

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BACKGROUND: Mental health is a critical component of healthy aging. Aging increases the likelihood of developing chronic diseases. The negative effects of chronic diseases on mental health have been extensively documented. Physical activity and social support have been reported to influence mental health positively. METHODS: Data analyzed are drawn from the national Canadian Community Health Survey - Mental Health in 2012. Structural equation modeling (SEM) techniques were used to estimate and test the mediating role of physical activities and social support in the relationship between chronic disease, positive mental health, and psychological distress in a national adult population sample aged 65+. RESULTS: Approximately 83% of the older adults sample reported having at least one chronic disease, and the mean score of psychological distress and positive mental health was 14.15 ± 4.73 and 55.28 ± 10.67, respectively. Initial analysis found that chronic illness was negatively related to positive mental health (ß= -0.72, P < 0.001) and positively related to psychological distress (ß=0.98, P < 0.001). The final structural model found that physical activity and social support partially mediated the negative consequences of chronic disease on psychological distress and strengthened seniors' positive mental health. LIMITATIONS: Limiting causal attribution, potential reporting bias and limited in recognizing negative and positive social support are the major limitations. CONCLUSIONS: Older adults with chronic diseases should be encouraged to increase physical activity and social support levels. The study outcomes have clinical implications for the delivery of mental health services to improve mental health and resilience to coping with stress among older adults.

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Alcohol use disorder is argued to be a highly complex disorder influenced by a multitude of factors on different levels. Common research approaches fail to capture this breadth of interconnecting symptoms. To address this gap in theoretical assumptions and methodological approaches, we used a network analysis to assess the interplay of alcohol use disorder symptoms. We applied the exploratory analysis to two US-datasets, a population sample with 23,591 individuals and a clinical sample with 483 individuals seeking treatment for alcohol use disorder. Using a Bayesian framework, we first investigated differences between the clinical and population sample looking at the symptom interactions and underlying structure space. In the population sample the time spent drinking alcohol was most strongly connected, whereas in the clinical sample loss of control showed most connections. Furthermore, the clinical sample demonstrated less connections, however, estimates were too unstable to conclude the sparsity of the network. Second, for the population sample we assessed whether the network was measurement invariant across external factors like age, gender, ethnicity and income. The network differed across all factors, especially for age subgroups, indicating that subgroup specific networks should be considered when deriving implications for theory building or intervention planning. Our findings corroborate known theories of alcohol use disorder stating loss of control as a central symptom in alcohol dependent individuals.

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PURPOSE: Experimental evidence suggests positive effects of boron on health and metabolism, but human data are still scarce. We aimed to identify dietary and cardio-metabolic correlates of plasma boron concentrations in the general population. METHODS: In a community-based sample (n = 899, 57% men, mean age 61 years), plasma boron (median [IQR]: 33.80 µg/L [25.61; 44.65]) concentrations were measured by inductively coupled plasma-mass spectrometry. Overall (PDI), healthy (hPDI), and unhealthy (uPDI) plant-based diet indices were derived from a validated food frequency questionnaire. Reduced rank regression (RRR) yielded a dietary pattern explaining 30% of the variation of circulating boron. Cross-sectional associations of dietary indices and cardio-metabolic traits with plasma boron concentrations were assessed using multivariable-adjusted linear regression analysis. RESULTS: The RRR pattern was characterized by high intake of fruits, nuts/seeds, tea, wine and low intake of e.g. bread, poultry, processed meat, chocolate/sweets, and soft drinks. 10-point increments in PDI, hPDI, and uPDI were associated with 8.7% (95% CI: 4.2; 13.4), 10.4% (95% CI: 6.6; 14.3), and -8.8% (95% CI: -12.1; -5.4) change in plasma boron concentrations, respectively. Age and phosphate were directly, while BMI, plasma lipid concentrations, and CRP were inversely associated with circulating boron. Plasma boron concentrations were higher in summer vs. winter, in individuals taking vs. not taking antihypertensive medication, and in individuals with high or medium vs. low education level. CONCLUSION: Higher plasma boron concentrations appeared to associate with a healthier diet, were related to lower BMI and a more favorable cardio-metabolic risk profile, and showed seasonal variations.

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BACKGROUND AND AIMS: Cannabis use is increasing among women of reproductive age, warranting a greater understanding of the impact of prenatal cannabis use on offspring developmental outcomes. We tested for a potential relationship between prenatal cannabis use disorders (CUD) and offspring educational outcomes across primary and secondary school. DESIGN: Data were drawn from the New South Wales (NSW) Perinatal Data Collection, which included all live births in the Australian state of NSW between January 2003 and December 2005. These were linked with the NSW Admitted Patient Data collection for mothers and offspring, and the NSW National Assessment Program-Literacy and Numeracy (NAPLAN). SETTING: New South Wales, Australia. PARTICIPANTS: A total of 189 558 offspring who completed the NAPLAN in grades 3, 5 and 7 (resulting in 568 674 examination periods). MEASUREMENTS: The exposure variable was ICD-10 cannabis use disorders (CUD = F13.0-F13.9). The study included five outcome variables measured at three time-points as not meeting the minimum national standards for: (i) numeracy, (ii) reading, (iii) spelling, (iv) writing and (v) grammar and punctuation. FINDINGS: In unadjusted analyses, prenatal CUD was associated with an increased risk for not meeting the national minimum standard of all outcomes [odds ratios (OR) ranging from 3.42 (95% confidence interval (CI) = 2.94, 3.99) to 4.17 (95% CI = 3.55, 4.91)], with no evidence for an interaction across time. However, the associations attenuated greatly after exact matching by covariates, with reading and numeracy no longer associated with prenatal CUD, while the increased risk of the other outcomes ranged from OR = 1.31 (95% CI = 1.09, 1.57) to OR = 1.40 (95% CI = 1.17, 1.68). CONCLUSION: Socio-economic status appears to confound the association between prenatal cannabis use disorder and poor educational performance in offspring.

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BACKGROUND: International evidence on the frequency of mood or anxiety disorders among migrant groups is highly variable, as it is dependent on the time since migration and the socio-political context of the host country. Our objective was to estimate trends in the prevalence of diagnosed mood or anxiety disorders among recent (<5 years in Canada) and settled (5-10 years in Canada) migrant groups, relative to the general population of Ontario, Canada. METHODS: We used a repeated cross-sectional design consisting of four cross-sections spanning 5 years each, constructed using health administrative databases from 1995 to 2015. We included all Ontario residents between the ages of 16 and 64 years. We assessed differences in the prevalence of mood or anxiety disorders adjusting for age, sex, and neighbourhood-level income. We further evaluated the impact of migrant class and region of birth. RESULTS: The prevalence of mood or anxiety disorders was lower among recent (weighted mean = 4.10%; 95% confidence interval [CI], 3.59% to 4.60%) and settled (weighted mean = 4.77%; 95% CI, 3.94% to 5.61%) migrant groups, relative to the general population (weighted mean = 7.39%; 95% CI, 6.83% to 7.94%). Prevalence estimates varied greatly by region of birth and migrant class. We found variation in prevalence estimates over time, with refugee groups having the largest increases between 1995 and 2015. CONCLUSIONS: Our findings highlight the complexity of mood and anxiety disorders among migrant groups, and that not all groups share the same risk profile. These results can be used to help inform health service allocation and the development of supportive programs for specific migrant groups.

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BACKGROUND: The operational definition of sarcopenia has been updated (EWGSOP2) and apply different cut-off points compared to previous criteria (EWGSOP1). Therefore, we aim to compare the sarcopenia prevalence and the association with mortality and dependence in activities of daily living using the 2010 (EWGSOP1 and 2019 (EWGSOP2 operational definition, applying cut-offs at two levels using T-scores. METHODS: Two birth cohorts, 70 and 85-years-old (n = 884 and n = 157, respectively), were assessed cross-sectionally (57% women). Low grip strength, low muscle mass and slow gait speed were defined below - 2.0 and - 2.5 SD from a young reference population (T-score). Muscle mass was defined as appendicular lean soft tissue index by DXA. The EWGSOP1 and EWGSOP2 were applied and compared with McNemar tests and Cohen's kappa. All-cause mortality was analyzed with the Cox-proportional hazard model. RESULTS: Sarcopenia prevalence was 1.4-7.8% in 70-year-olds and 42-62% in 85 years-old's, depending on diagnostic criteria. Overall, the prevalence of sarcopenia was 0.9-1.0 percentage points lower using the EWGSOP2 compared to EWGSOP1 when applying uniform T-score cut-offs (P <  0.005). The prevalence was doubled (15.0 vs. 7.5%) using the - 2.0 vs. -2.5 T-scores with EWGSOP2 in the whole sample. The increase in prevalence when changing the cut-offs was 5.7% (P <  0.001) in the 70-year-olds and 17.8% (P <  0.001) in the 85-year-olds (EWGSP2). Sarcopenia with cut-offs at - 2.5 T-score was associated with increased mortality (hazard ratio 2.4-2.8, P <  0.05) but not at T-score - 2.0. CONCLUSIONS: The prevalence of sarcopenia was higher in 85-year-olds compared to 70-year-olds. Overall, the differences between the EWGSOP1 and EWGSOP2 classifications are small. Meaningful differences between EWGSOP1 and 2 in the 85-year-olds could not be ruled out. Prevalence was more dependent on cut-offs than on the operational definition.

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BACKGROUND: The lockdowns occurring across society because of the COVID-19 pandemic have had far-reaching consequences for children and adolescents. One immediate concern was what the impact of the comprehensive disease control measures on rates of violence and abuse against children and adolescents would be. OBJECTIVE: We aimed to establish rates of child abuse and degree of family conflict during the first COVID-19 lockdown spring 2020. Additionally, we aimed to investigate associations between preexisting and concurrent risk factors and abuse during these unique times. PARTICIPANTS AND SETTING: A total of 3545 Norwegian 13- to 16-year-olds participated in this study. A total of 1944 of these had provided data 1 year before the lockdown. METHODS: We used a web survey format to assess abuse exposure and associated risk factors. The survey was administered in schools during school hours in June 2020, shortly after the reopening of schools after the first lockdown. RESULTS: In this sample 8.2% reported psychological abuse during lockdown, 2.4% had experienced physical abuse and 1.4% sexual abuse. For online sexual abuse, the rate was 5.6% during this time period. Adolescents did not report an increase in family conflict. Concurrently perceived family affluence and family risk factors were most strongly associated with physical abuse during lockdown (OR = 11.01(95% CI 5.32-22.84); OR = 5.36 (95% CI 2.69-10.67)), but also other types of child maltreatment. Analyses across assessment points suggested that prior victimization was the most accurate predictor of abuse experiences during lockdown (OR = 3.84 (95% CI 2.85-5.20)). CONCLUSIONS: The negative consequences of the COVID-19 preventative measures struck the adolescent population unevenly. The findings underscore the need for targeted measures to mitigate the negative outcomes of health-related crises for adolescents in risk groups such as those with low family affluence and prior abuse experiences.

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Depending on their cardiorespiratory fitness (CRF), people may perceive the exertion of incident physical activity (PA) differently. Therefore, the use of relative intensity thresholds based on individual fitness have been proposed to evaluate the accumulation of PA at different intensity levels. A subsample of the FinFit2017-study, 1952 adults (803 men and 1149 women) aged 20-69 years, participated in this study. Their maximal oxygen uptake (VO2max) was predicted with a 6 min walk test, and they were instructed to wear a triaxial hip-worn accelerometer for one week. The participants were divided into CRF tertiles by five age groups and sex. Raw acceleration data were analyzed with the mean amplitude deviation method in 6 s epochs. Additionally, the data were smoothed with 1 min and 6 min exponential moving averages. The absolute intensity threshold for moderate activity was 3.0 metabolic equivalent (MET) and for vigorous 6.0 MET. Correspondingly, the relative thresholds were 40% and 60% of the oxygen uptake reserve. Participants in the lowest CRF tertile were the most active with relative thresholds, and participants in the highest CRF tertile were the most active with absolute thresholds. High-fit people easily reached the absolute thresholds, while people in the lowest CRF tertile had to utilize most of their aerobic capacity on a daily basis simply to keep up with their daily chores or peers.

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Fatty liver disease is the most common liver disease in the world. Its connection with the gut microbiome has been known for at least 80 y, but this association remains mostly unstudied in the general population because of underdiagnosis and small sample sizes. To address this knowledge gap, we studied the link between the Fatty Liver Index (FLI), a well-established proxy for fatty liver disease, and gut microbiome composition in a representative, ethnically homogeneous population sample of 6,269 Finnish participants. We based our models on biometric covariates and gut microbiome compositions from shallow metagenome sequencing. Our classification models could discriminate between individuals with a high FLI (≥60, indicates likely liver steatosis) and low FLI (<60) in internal cross-region validation, consisting of 30% of the data not used in model training, with an average AUC of 0.75 and AUPRC of 0.56 (baseline at 0.30). In addition to age and sex, our models included differences in 11 microbial groups from class Clostridia, mostly belonging to orders Lachnospirales and Oscillospirales. Our models were also predictive of the high FLI group in a different Finnish cohort, consisting of 258 participants, with an average AUC of 0.77 and AUPRC of 0.51 (baseline at 0.21). Pathway analysis of representative genomes of the positively FLI-associated taxa in (NCBI) Clostridium subclusters IV and XIVa indicated the presence of, e.g., ethanol fermentation pathways. These results support several findings from smaller case-control studies, such as the role of endogenous ethanol producers in the development of the fatty liver.

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Cardiovascular disease, mental health, and injury are among the top health issues globally. In Tehran Cohort Study, we aimed to determine the prevalence, incidence, and trend of cardiovascular diseases, psychiatric symptoms, injury, and risk factors in Tehran households. We enrolled 4215 households in the recruitment phase from March 2016 to March 2019. Demographic characteristics, past medical history, medications, and familial history of the participants were collected. Rose angina pectoris, general health Questionnaire-28 (GHQ-28), and injury questionnaires were completed. Fasting blood samples were collected to measure routine biochemistry and store samples in the biobank. Anthropometric and physiological measurements and electrocardiograms were performed. The participants are followed every three years for up to 12 years. In total, 8296 individuals participated in the cardiovascular section, 10247 completed the GHQ-28, and 4167 households completed the injury questionnaire. The mean age of the participants was 48.2 (16.41), and 46.5% were male. 64.3% of recruited individuals had no symptoms of psychiatric disorders, and 3729 (89.5%) households did not have any severe injury requiring treatment. The participants' diversity and their invaluable data will help us provide a general picture of the current prevalence and incidence of the main study objectives.

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Contrary to the well-documented link between parental and offspring clinical anxiety, little is known about the relationship between parental everyday-life anxieties (e.g., concerning family, finances, health) and offspring anxieties. To close this gap, we assessed the frequency of parental symptoms of DSM-IV anxiety disorders and everyday-life anxieties, as well as the frequency of offspring anxiety symptoms in a representative sample by self-report. Parents reported that 48.4% of the children were free of specific symptoms of DSM-IV anxiety disorders within the last 12 months, 39.2% showed low symptom load (1-3 symptoms) and 12.4% were moderately or severely strained (4-10 symptoms). Replicating previous studies, parental DSM-IV symptoms increased offspring risk for the same symptoms. In addition, parental everyday-life anxieties showed a positive relationship with offspring symptom severity. Demographic variables (female sex, low socioeconomic status and younger age) and parental anxiety markers explained 18% of variance in offspring symptom severity. The data are discussed in light of current models of familial transmission.

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