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BACKGROUND: Overweight among children and adolescents related to social inequality, as well as age and gender differences, may contribute to poor self-image, thereby raising important public health concerns. This study explores social inequality in relation to overweight and perception of overweight among 263 boys and girls, age 7 to 17, in Växjö, Sweden. METHODS: Data were obtained through a questionnaire and from physical measurements of height, weight and waist circumference [WC]. To assess social, age and gender differences in relation to overweight, the independent sample t- and chi-square tests were used, while logistic regression modeling was used to study determinants for perception of overweight. RESULTS: Social inequality and gender differences as they relate to high ISO-BMI [Body Mass Index for children] and WC were associated with low maternal socioeconomic status [SES] among boys < 13 years [mean age = 10.4; n = 65] and with low paternal education level among boys ≥ 13 years [mean age = 15.0; n = 39] [p < 0.05]. One suggested explanation for this finding is maternal impact on boys during childhood and the influence of the father as a role model for adolescent boys. The only association found among girls was between high ISO-BMI in girls ≥ 13 years [mean age = 15.0; n = 74] and low paternal occupational status. Concerning perception of overweight, age and gender differences were found, but social inequality was not the case. Among boys and girls < 13 years, perception of overweight increased only when overweight was actually present according to BMI or WC [p < 0.01]. Girls ≥ 13 years [mean age = 15.0] were more likely to unrealistically perceive themselves as overweight or "too fat," despite factual measurements to the contrary, than boys [p < 0.05] and girls < 13 years [mean age = 10.4; n = 83] [p < 0.001]. CONCLUSIONS: The association between social inequality and overweight in adolescence in this study is age- and gender-specific. Gender differences, especially in perception of overweight, tend to increase with age, indicating that adolescence is a crucial period. When planning interventions to prevent overweight and obesity among children and adolescents, parental SES as well as age and gender-specific differences in social norms and perception of body weight status should be taken into account.

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AIM: The stress hormone cortisol is vital to survival, and a disturbed circadian rhythm can be deleterious to health. However, little is known about cortisol levels in healthy children. The aim of this study was to examine cortisol levels in relation to body mass index (BMI), age and sex. METHODS: Salivary samples were collected in early morning, late morning and evening, on four consecutive days, from 342 children aged 6-12 years using Salivette(®) tubes. Samples were analysed using a commercial enzyme immunoassay (EIA). School nurses measured the children's height and weight, and these measurements were used to calculate their BMI. RESULTS: The children displayed a circadian rhythm in cortisol secretion, with morning zeniths and evening nadirs. Average cortisol levels in early morning, late morning and evening were significantly lower in overweight and obese children than in their normal weight counterparts. Cortisol levels did not vary significantly with age or sex. CONCLUSION: Our findings may suggest cortisol suppression in overweight and obese children. We found no evidence that sex or age influences cortisol levels. These findings highlight the need for further research on the relationship between stress and obesity in children.

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OBJECTIVE: To examine the associations between child physical abuse executed by a parent or caretaker and self-rated health problems/risk-taking behaviors among teenagers. Further to evaluate concurrence of other types of abuse and how these alone and in addition to child physical abuse were associated with bad health status and risk-taking behaviors. METHODS: A population-based survey was carried out in 2008 among all the pupils in 2 different grades (15 respectively 17 years old) in Södermanland County, Sweden (n=7,262). The response rate was 81.8%. The pupils were asked among other things about their exposure to child physical abuse, exposure to parental intimate violence, bullying, and exposure to being forced to engage in sexual acts. Adjusted analyses were conducted to estimate associations between exposure and ill-health/risk-taking behaviors. RESULTS: Child physical abuse was associated with poor health and risk-taking behaviors with adjusted odds ratios (OR) ranging from 1.6 to 6.2. The associations were stronger when the pupils reported repeated abuse with OR ranging from 2.0 to 13.2. Also experiencing parental intimate partner violence, bullying and being forced to engage in sexual acts was associated with poor health and risk-taking behaviors with the same graded relationship to repeated abuse. Finally there was a cumulative effect of multiple abuse in the form of being exposed to child physical abuse plus other types of abuse and the associations increased with the number of concurrent abuse. CONCLUSIONS: This study provides strong indications that child abuse is a serious public health problem based on the clear links seen between abuse and poor health and behavioral problems. Consistent with other studies showing a graded relationship between experiences of abuse and poor health/risk-taking behaviors our study shows poorer outcomes for repeated and multiple abuse. Thus, our study calls for improvement of methods of comprehensive assessments, interventions and treatment in all settings where professionals meet young people.

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AIM: To examine prevalence rates of child physical abuse perpetrated by a parent/caretaker, abuse characteristics and the extent of disclosures. METHODS: A population-based survey was carried out in 2008 amongst all the pupils in three different grades (n = 8494) in schools in Södermanland County, Sweden. The pupils were asked about their exposure to violence and their experiences of parental intimate-partner violence. Data were analysed with bi- and multivariate models and a comparison between means of accumulating risk factors between three groups were performed. RESULTS: A total of 15.2% of the children reported that they had been hit. There were strong associations between abuse and risk factors and there was a dose-response relationship between risks and reported abuse. It was shown that children who reported parental intimate-partner violence were at a considerably higher risk for abuse than other children and that only 7% of the children exposed to violence had disclosed this to authorities. CONCLUSION: Even though child abuse in Sweden has decreased markedly during the last 40 years, violence against children is still a considerable problem. It is a challenge to develop methods of assessment and interventions that will ensure that the violence and its underlying causes are directly addressed.

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BACKGROUND: Inviting the child to participate in medical decisions regarding common medical procedures might influence the child's behaviour during the procedures. We wanted to study nurse decision-making communication regarding pre-medication before ear, nose and throat (ENT) surgery. METHOD: In total, 102 children (3-6 years) signed for ENT surgery were video-filmed during the pre-medication process. The nurse decision-making communication was identified, transcribed and grouped in six main categories dependent on the level of participation (self-determination, compromise, negotiation, questioning, information, lack of communication). Associations between child factors (age, gender, verbal communication and non-verbal communication) and different nurse decision-making communication were studied. Associations between the decision-making communication and verbal hesitation and/or the child's compliance in taking pre-medication were also studied. RESULTS: Totally, information was the most frequently used category of decision making communication followed by negotiation and questioning. To the children showing signs of shyness, the nurse used more negotiation, questions and self-determination communication and less information. The nurse used more compromise, negotiation and gave less information to children with less compliance. No specific type of nurse decision-making communication was associated with verbal hesitation. The most important predictors for verbal hesitation were none or hesitant eye contact with nurse (OR = 4.5) and placement nearby or in parent's lap (OR = 4.7). Predictors for less compliance in taking pre-medication were verbal hesitation from the child (OR = 22.7) and children who did not give any verbal answer to nurse initial questions (OR = 5.5). CONCLUSION: Decision-making communication could not predict the child's compliance during pre-medication. Although negotiation, questioning and self-determination communication were associated with more unwillingness to take pre-medication. More knowledge is needed about communication to children in medical settings and how it influences the child's behaviours.

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AIM: To investigate the characteristics of severe abuse of children and possible differences in comparison with less severe abuse. METHOD: Cases of abuse reported to the police within a single police district (n=142) in Sweden were studied. The severe cases were compared to all the remaining cases. RESULTS: Severe abuse constituted 14% of the total cases and was reported by agencies to a greater degree than minor cases. The suspected perpetrators were socially disadvantaged people in both groups. Half of the most serious cases led to conviction in the courts, compared to 8% in the reference group. The children who had been subjected to abuse were often already known to social services and reports of child abuse had frequently been made. CONCLUSION: In comparison between cases of severe and minor child abuse reported to the police, the results did not show any crucial differences except the pattern of reporting and a higher occurrence of prosecution/conviction in the severe cases. This finding places a responsibility on agencies outside of the justice system to consider all cases of reported abuse as serious warning signals and to make independent evaluations to identify risks and the possible need for child protection.

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OBJECTIVES: The aim of the present study was to investigate the adrenocortical response to diaper change in mother-infant dyads with psychosocial risk factors. MATERIAL AND METHODS: Twenty-two mother-infant pairs with well-defined psychosocial problems were included. The mother-infant pairs were treated for 6 weeks in a daycare programme to improve attachment. Salivary cortisol was measured before and after a diaper change during the first and last weeks of enrollment in the programme. Mothers' sensitivity towards their infants' signals was measured using a scale from 1 (highly insensitive) to 9 (highly sensitive) according to Ainsworth. RESULTS: Median salivary cortisol increased in 15 out of 22 infants after the first diaper change. The increase was most pronounced in the group of infants below 3 months of age (n = 15) where median salivary cortisol increased 170% after the first diaper change (P < 0.05) and decreased 19% after the last diaper change (not significant). Out of these 15 infants, 11 showed an increase in salivary cortisol in response to the first diaper change while four out of 15 did so in response to the last diaper change (P < 0.05). The salivary cortisol response did not change over time in infants aged 3 months or above. A mother's sensitivity to her child increased significantly (P < 0.001) from the first to the last week. In mothers, median salivary cortisol decreased 38% after the first diaper change (P < 0.05) and 57% after the last diaper change (P = 0.001). DISCUSSION: A diaper change is normally not perceived as stressful. The stress response caused by a diaper change may illustrate an insufficiency in the mother-infant relationship before treatment. Professional support improved the mothers' sensitivity and stabilized the stress response to diaper change in the youngest infants.

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AIM: Breastfeeding seems to be favorable for cognitive development. Could levels of polyunsaturated fatty acids (PUFA) explain this? METHODS: Pregnant mothers were recruited consecutively at maternity care centres. PUFA were analysed in colostrum and breast milk at 1 and 3 mo. The product-precursor ratios of n-6+n-3 PUFA were examined as measures of activity in respective steps in the fatty acid metabolic chain. Also, the quotient between DHA and AA was analysed. The children were tested with the full WISC-III at 6.5 y. RESULTS: First, the influence of length of breastfeeding was analysed by multiple regression together with relevant cofactors (except for PUFA). In the best models, 46% of the variation in total IQ was explained. Length of breastfeeding contributed significantly to total IQ (beta = 0.228, p = 0.021), verbal IQ (beta = 0.204, p = 0.040) and performance IQ (beta = 0.210, p = 0.056). There were no significant single correlations between PUFA and measures of cognitive development. However, in multiple regression analysis of colostrum, significant beta-coefficients were found for steps 4+5 in the fatty acid metabolic chain (beta = 0.559, p = 0.002). If length of breastfeeding and gestation week were added to steps 4+5, this three-factor model could explain 67% of the variation of total IQ. Introducing length of breastfeeding and gestation week together with the quotient DHA/AA (beta = 0.510, p < 0.001) yielded a three-factor model, which explained 76% of the variation in total IQ. CONCLUSION: Our findings could be interpreted as supporting the importance of high levels of PUFA for cognitive development. However, the sample is small and the results must be interpreted with caution.

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The aim of the study was to provide a standardisation of self-reported competencies and emotional/behavioural problems among Swedish adolescents, using the Youth Self-Report (YSR). The YSR was completed by 2522 adolescents aged 13-18 years, recruited from secondary and upper secondary schools in different regions in Sweden. The results showed that effects of gender and age were small but significant with girls scoring higher than boys on most problem scales, and 15- to 16-year-olds scoring higher than younger and older adolescents on the problem scales. Small effects were also found for residence as well as for parental SES. The correlations between internalising and externalising problems were 0.51 for boys and 0.49 for girls, whereas the correlation between competence and problem scores was low. We conclude that the individual variation in YSR-scores is much greater than can be attributed to factors such as gender, age, SES, or residential area. Consequently, the YSR has the potential to serve as an instrument for assessing individual adolescents' self-reported competencies and problems in Sweden. Given the almost orthogonal relation between self-reported competencies and problems, the competence scale is surprisingly little used in psychopathology research.

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The frequency of sexual behaviors in a population of preschoolers (n = 251) attending Swedish daycare centers was studied using a questionnaire given to the staff. Some behaviors turned out to be frequently occurring, like searching for body contact and responding to such contact. However, several behaviors were very uncommon (1% or fewer): touching an adult's genitals; attempting to make the adult touch the child's genitals; using objects against own or other child's genitals/anus; to masturbate obsessively, without pleasure or in a way that caused pain. Other behaviors occurred more frequently but were still uncommon (less than 2% of the children displayed such a behavior "sometimes" or "often/daily"): exhibiting own genitals; playing sexually explorative games; initiating games with a similarity to adult sexual activity; using sexual words; attempting to touch a woman's breast. Only masturbation and clinging body contact were positively correlated with behavioral disturbance. The correlations between age and single behaviors may be summarized as manifestations of the process of socialization. The results offer an incipient frame of reference for statistically normal expected sexual behaviors in preschoolers at daycare centers. The rarity of certain behaviors implies that their occurrence in an individual case may necessitate special clinical attention.

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The role of psychosocial factors in the development of wheezing was studied prospectively in 100 infants with a strong family history of allergy. The entire family participated in a standardized family test when the children were 3 and 18 months of age. The ability to adjust to demands of the situation ("adaptability") and the balance between emotional closeness and distance ("cohesion") were assessed from videotapes by independent raters. Families rated as functional in both aspects were classified as "functional" and otherwise as "dysfunctional." Based on records of symptoms kept by the parents and on results of physical examinations at 6 and 18 months of age, the children were classified as healthy or as having recurrent wheezing, recurrent infections, or eczema. An unbalanced family interplay was common (37%) at 3 months but did not predict development of illness. If the child remained healthy and the family did not experience any further stress, family interaction was functional 15 months later. If, however, the child acquired anxiety-provoking symptoms, such as wheezing, a high proportion of families continued or began to have dysfunctional interaction patterns. When the healthy children were 18 months of age, only 12% of their families were dysfunctional, compared with 26%, 46%, and 52%, respectively, of the families of children with eczema, recurrent infections, and obstructive symptoms (p < 0.01). We conclude that dysfunctional family interaction seems to be a result rather than the cause of wheezing in infancy.

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Family interaction was assessed in 30 children with insulin-dependent diabetes mellitus (IDDM) of at least 2 years' duration using video-tapes of standardised family tasks. The relationship between measures of family interaction and metabolic balance (HbA1) was investigated 1 and 5 years after the task performance. No significant relationship between family interaction and HbA1 was found after 1 year, but HbA1 values 5 years after the family assessments were significantly higher in the children who belonged to families in which family interaction was considered disturbed (P less than 0.05). If family interaction was used as a predictor of metabolic control, 67% of the cases were correctly classified. In the group with disturbed family interaction HbA1 increased during the observation period in 44% of cases while in the group with functional interaction this occurred in only 11% of the cases. When the children were divided according to age, significantly higher HbA1 values were found only in the younger group (less than 18 years at the 5-year evaluation) of the children of families with disturbed family interaction (P = 0.025). Here a correlation between disturbed family interaction and HbA1 was found (rs = 0.46, p = 0.03). In conclusion, certain family interaction patterns seem to influence metabolic balance in IDDM in children during adolescence, but not during pre-adolescence and early adulthood.

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Patterns of family interaction were compared in the families of 22 children with chronic asthma, 30 children with diabetes mellitus, and six healthy children. The groups were similar in terms of age (range 4-14 years and mean 10.2 years). Peak expiratory flow and signs of allergy were correlated with family interaction in the subjects with asthma. The following significant findings were made. Family interaction was more disturbed in asthma compared with both the diabetic and the healthy groups. In most of the disturbed families interaction patterns were rigid and enmeshed, but a few showed chaotic and disengaged patterns. There was a negative correlation between peak expiratory flow and disturbed cohesion in non-steroid dependent cases. The severely ill children with asthma living in families with a normal cohesion score had higher IgE concentrations than children living in disturbed families. It is concluded that family interaction should be considered to be an important dimension in the investigation of severe childhood asthma.

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Eighteen children with severe, chronic bronchial asthma were randomly divided into two groups. The families in one group received family therapy while the others served as a control group in a controlled family therapy study. Later the control families were also offered therapy in a before-after therapy design. All children were followed for 3 1/2 yr. Asthma symptoms, functional impairment and the use of drug (from diaries) were rated in ten different ways during eight months before and eight months after the family therapy. Improvement in the clinically most important variable, i.e. general pediatric assessment, was greater in the children in the family therapy group compared to the control group (p less than 0.05) Twelve children who received family therapy showed significant improvement after treatment concerning general pediatric assessment (p less than 0.01), clinical grading (p less than 0.05), peak expiratory flow (p less than 0.05), days with functional impairment/yr (p less than 0.05), no. of doses of inhaled Beta-2-agonists/month (p less than 0.01) and nights when Beta-2-agonists were inhaled (p less than 0.05). The children who only received conventional medical treatment showed no significant change in asthma symptoms. We draw the conclusion that family therapy may represent a valuable therapeutic tool in the management of severe asthma.

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