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AIM: This study aimed to determine the frequencies of negative childhood experiences in the past years and negative childhood experiences throughout life in 11, 13 and 16 year-age group children who attended school in three separate provinces. MATERIAL AND METHODS: Approval was obtained from the provincial National Education Directorates and educated investigators applied the ISPCAN child abuse screening tool questionnaire form which measures negative childhood events experienced at home in children. Statistical analysis was performed with chi-square test using SPSS 16.0 program. Approval from the ethics committee was obtained from Izmir Tepecik Education and Research Hospital Chief Physician Office Local Ethics Committee (29/11/2011-29). RESULTS: The study was conducted with 7 540 children in Izmir, Denizli and Zonguldak. The frequency of psychological and physical negative childhood experiences and neglect throughout life was found to be 70.5%, 58.3% and 42.6% in the 11, 13 and 16-year age groups, respectively; the frequencies in the last one year was found to be 62.7%, 46.0% and 37.5%, respectively. Psychological negative childhood experiences were found with a higher rate in children who lived in urban areas compared to children who lived in rural areas. Neglect was found with a higher rate in girls and physical negative childhood experiences were found with a higher rate in boys. The frequency of negative childhood experiences increased proportionally with the age of the child independent of the type of experience. CONCLUSION: The frequencies of negative childhood experiences for the last one year and for the life-long period were determined using ISPCAN child abuse screening tool in Turkey for the first time in three provinces and in such a large population. The frequency of negative childhood experiences related with child abuse and neglect screened were found to be 42%-70% and it was elucidated that we are confronted with a very significant public health problem and adult health risk in these regions of Turkey.

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OBJECTIVE: To examine the vitamin D status of 4-month-old exclusively breastfed infants supplemented with 400 IU daily of vitamin D and to determine whether there was any seasonal variation in serum 25-hydroxyvitamin D (25(OH)D) levels of infants. METHODS: In this cross-sectional study, serum calcium, phosphorus, alkaline phosphatase, parathyroid hormone, and 25(OH)D levels of 143 exclusively breastfed 4-month-old infants supplemented daily with 400 IU of vitamin D were measured in a temperate latitude, Izmir, Turkey, between May 2008 and April 2009. A questionnaire on demographic characteristics of infants and mothers, vitamin D supplementation of infants after birth, mothers' multivitamin supplementation, dressing habits, and consumption of dairy products during pregnancy was used. RESULTS: Vitamin D deficiency (≤ 50 nmol/L) and insufficiency (51-74 nmol/L) were determined in 40 (28%) and 55 (38.5%) infants, respectively. During winter days, serum 25(OH)D levels were <20 ng/mL in 45.4% of infants and <10 ng/mL in 10.6% of infants. Season of blood sampling, compliance of vitamin D supplementation, maternal education level, and consumption of dairy products were highly predictive of serum 25(OH)D levels in multiple linear regression analysis (P < .05). The use of the Pearson correlation test found a statistically significant negative correlation between 25(OH)D and parathyroid hormone levels (r = -0.419, P < .001). CONCLUSIONS: Despite supplementation with 400 IU of vitamin D daily, the rate of vitamin D deficiency was worryingly high in 4-month-old exclusively breastfed infants living in Izmir, Turkey. So, additional studies are needed to clarify optimal amount of vitamin D supplementation to the infants, especially during winter days.

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Although Turkey is located in a sunny region, vitamin D deficiency is still a serious health problem in pregnant women and their infants, especially among the low socio-economic status Turkish population. This study was carried out in order to measure serum 25-hydroxyvitamin D3 [25(OH)D] concentrations of the pregnant women in the last trimester and in their neonates at delivery and to determine the factors associated with maternal serum 25(OH)D concentrations. Among the patients visiting the Ege Obstetrics and Gynecology Hospital in the period March to May 2008, 258 healthy pregnant women ≥37 weeks of gestation were included in this study. The information on different characteristics such as the number of pregnancies and births, nutritional status, vitamin and mineral support during gestation, educational status, clothing style and the economic level of the family was collected from women. Blood samples from the mothers and umbilical cord of the newborns were taken to measure 25(OH)D. The mean 25(OH)D concentrations of the mothers and their infants were 11.5 ± 5.4 ng/mL and 11.5 ± 6.8 ng/mL, respectively. We found a strong positive correlation between maternal serum and umbilical cord blood 25(OH)D concentrations (r = 0.651, P < 0.001). The concentration of 25(OH)D was ≤20 ng/mL in 233 mothers (90.3%) and ≤10 ng/mL in 130 mothers (50.4%). Maternal serum 25(OH)D concentrations related strongly to factors such as uncovered dressing style, sufficient consumption of dairy products and multivitamin use during gestation (P < 0.05). About half (52.7%) of these women had a covered dressing style. 25(OH)D concentrations of these covered dressing mothers and their infants were 9.7 ± 5.1 ng/mL and 9.7 ± 5.6 ng/mL, respectively, which were significantly lower compared with those of uncovered mothers and their babies (P < 0.001). This study showed that, despite a sunny environment, vitamin D deficiency and insufficiency are highly prevalent among the mothers and their neonates. This is generally due to the life style and nutritional status of the mothers. These findings suggest that much more effective vitamin D prophylaxis programmes should be implemented for pregnant women as well as for their babies.

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OBJECTIVES: We aimed to determine the rate of breakthrough varicella in Turkey, a country with low varicella vaccination coverage. METHODS: This study was conducted between April 2008 and March 2009 at the Well-Child Clinic at Ege University and pediatricians' offices. We collected information on vaccination status and varicella infection using a questionnaire. In order to elicit more details about the severity of illness, we interviewed all parents and reviewed the clinician records. Vaccination status was verified from the medical records or vaccination cards with dates. RESULTS: A total of 2802 children were evaluated. Of these, 1683 had been vaccinated with a single dose of varicella vaccine and 1119 were unvaccinated. Among vaccinated children, 466 (27.7%) had breakthrough varicella. Vaccinated children tended to have mild varicella. However, about 25% of breakthrough cases had moderate or severe disease. Children who were vaccinated ≥ 5 years previously had a 3.7-fold higher risk of breakthrough disease than those who were vaccinated <5 years before. Vaccination at younger than 15 months of age was not significantly associated with an increased risk of breakthrough infection. CONCLUSIONS: Breakthrough varicella is not rare in Turkey where varicella infections are common. A longer interval since vaccination may be a risk factor for developing breakthrough varicella. Children who had been vaccinated >5 years previously were at risk for breakthrough disease. A two-dose varicella vaccine policy may be needed to provide improved protection.

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AIM: Vitamin A deficiency (VAD), especially in its subclinical form, is a world health problem in young children. The aim of this study was to determine the prevalence of VAD among preschool children in various socio-economic groups in Izmir, Turkey. METHODS: One hundred and one children aged 24-59 months were selected for the study with cluster sampling method. A questionnaire was completed by the parents, and the dietary pattern was assessed by using a 3-day dietary record method. RESULTS: Mean serum retinol concentration of the children was 28.3 ± 10.2 µg/dL. Serum vitamin A concentration of two children (2%) was below 10 µg/dL (VAD), whereas 18 (18%) children had vitamin A concentrations between 10 and 20 µg/dL (subclinical deficiency). We did not find any relationship between mean serum retinol concentrations and the independent variables such as socio-economical levels, age groups, birth weight and gestational age. However, there was a statistically significant positive correlation between serum retinol concentrations and weight-for-age and weight-for-height Z scores of the children (p < 0.05). CONCLUSION: Because one-fifth of the children under 5 years have VAD in Izmir, Turkey, nutrition education must be given to the families during well-child care visits, and routine vitamin supplementation should be considered especially in children with malnutrition.

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This study was conducted to determine the seroprevalence of hepatitis B virus (HBV) infection in the Turkish population in Northern Cyprus. The secondary aim of this study was to assess the impact of the universal infant hepatitis B vaccination program, which started in 1998. A total of 600 persons 1- to 30-years-old were selected for the study with cluster sampling. The information on sociodemographic characteristics was gathered for each participant and in 585 of them, hepatitis B surface antigen (HBsAg), anti-hepatitis B surface antigen antibody (anti-HBs) and anticore antibody (anti-HBc) were tested. The overall prevalence of anti-HBc and HBsAg carriage was 13.2% and 0.85%, respectively. Old age and low parental educational level were the major independent risk factors for HBV transmission. Seroprevalence of both anti-HBc and anti-HBs antibodies was similar in children 1-7 years of age. After 8 years of age, anti-HBc seroprevalence increased significantly with age, while anti-HBs prevalence decreased (p<0.001). Anti-HBc prevalence increased from 7.0% in children aged 1-7 years to 17.9% in persons aged 16-20 years. None of the children under 12 years of age were HBsAg-positive, while 1.9% of persons aged 16-20 years were HBsAg carriers. Anti-HBs seroprevalence exceeding 90% was found in the cohorts targeted by the routine hepatitis B vaccination program, whereas 36.4% of young adults aged 21-30 years were anti-HBs-positive. The study shows that universal infant hepatitis B immunization has a substantial impact on the immunity in children. However, prevalence of HBV infection is still high in adolescent and young adults in Northern Cyprus. Therefore, catch-up immunization for these groups will help to reduce hepatitis B transmission.

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AIM: The aim of this study was to examine the rate and pattern of early childhood caries development in caries-free children based on their dental plaque accumulations, salivary Streptococcus mutans levels, maternal sharing, oral hygiene, and feeding attitudes at baseline and at 24-month follow-up period. DESIGN: A total of 92 children, aged between 15 to 35 months, comprised the study group. The children's dental examinations were first carried out at baseline, and 56 of them were re-examined 24 months later to determine the changes in dental status. The mothers were also interviewed at each examination based on a prepared questionnaire. RESULTS: The prevalence of caries incidence was 45% at 24-month evaluation period among initially caries-free children. The new caries formation was mostly observed on occlusal and aproximal surfaces of maxillary molars (28% and 26%) followed by mesial, distal and buccal surfaces of anterior teeth, respectively. Significant correlations between dental caries formation and maternal sharing, S. mutans levels, and plaque scores were found. CONCLUSION: The results indicated that early S. mutans colonization, high plaque accumulation, and maternal sharing were important factors on a child's caries development.

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Retinol and alpha-tocopherol levels in breast milk of Turkish mothers under different socioeconomic status were investigated. Mature milk samples were collected from 92 lactating mothers living in Izmir and in Manisa, cities of Turkey, who were at 60-90 days of the lactating period. Socio-economic, anthropometric, and dietary data were collected by means of a questionnaire. The body mass index was used to determine the nutritional status. The retinol and alpha-tocopherol contents of breast milk were determined by high-performance liquid chromatography; the concentration of alpha-tocopherol was 9.84 microg/ml whereas retinol levels were 81.5 microg/100 ml. The questionnaire survey was used to determine the level of these vitamins in the daily ration of the women. No significant differences were found in terms of milk retinol and alpha-tocopherol levels for the variables income, educational level and mothers' body mass index.

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AIM: This study was conducted to determine the age-specific seroprevalence of varicella zoster virus (VZV) infection in Turkish population in Cyprus. METHODS: A total of 600 unvaccinated individuals aged 1-30 years were selected for the study with cluster sampling. Information on socio-demographic characteristics was gathered for each participant and, anti-VZV antibodies were assayed by using enzyme immune assay. RESULTS: Of the 578 assayed samples, 486 (84.1%) were seropositive. Varicella seroprevalence increased sharply with age from 25% for the 2-3 year olds to 55, 78 and 85% for 4-5, 6-7 and 8-9 year olds, respectively. More than 90% of individuals >16 years of age were seropositive. Varicella seroprevalence was higher in large families with five and more members (91.2%) than in small families with four or fewer members (80.2%). CONCLUSION: The majority of varicella-zoster virus infections occur during preschool period and at the first years of schooling. Therefore, routine varicella vaccination of children would be logical in Northern Cyprus, as is currently recommended by the European Working Group on Varicella.

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UNLABELLED: The aim of this study was to investigate the caries-related microorganisms in saliva and the prevalence of Early childhood caries (ECC) in 15- to 35-month-old Turkish children and their associations with the characteristics of the mothers, socioeconomic criteria, and feeding habits of the children. METHODS: Saliva samples of 101 children were studied to determine the numbers of Streptococcus mutans, lactobacilli, and Candida albicans. A questionnaire regarding the characteristics of the mothers, socioeconomic criteria, and feeding habits of the children was carried out before the dental examinations of the mother-child pairs. RESULTS: The regression analyses revealed DMFS scores of the mothers as an impact factor for the children's caries experience. The prolonged usage of feeding bottle with sweetened milk, pacifier use, and maternal sharing were strongly associated with the colonization of S. mutans, lactobacilli, and C. albicans, respectively. A significant correlation was also found between maternal education and S. mutans. CONCLUSION: Data indicated that the mother's DMFS scores, education, and feeding habits were strong risk indicators for the colonization of caries-related micro-organisms and ECC.

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Breast milk is the most appropriate food for infants. At least 4-6 months of breast feeding is sufficient for all babies if appropriate growth is monitored monthly. However, for those infants unable to breast-feed sufficiently or at all, formula can be given as an alternative. However, serious health problems such as hypernatremic dehydration, malnutrition, and obesity may develop if powdered formula is not appropriately prepared. In the present study, our aim was to investigate whether or not mothers of formula-fed babies in Ozkanlar (Izmir, Turkey) district prepared powdered infant formula appropriately. For this purpose, we visited all (328) families with infants younger than 12 months of age. Forty-two (13%) of these 328 infants were still fed formula. The mothers of the infants were asked to prepare formula for two different meals, and duplicate samples from each prepared formula were taken for the measurement of dry matter. Fifty percent of the mothers diluted formula with 10% more or 10% less water for the second meal as compared with the first meal. Four (10%) mothers diluted formula with 10% or less of the required water, while 27 (64%) prepared formula with 10% or more of the required water. It is concluded that mothers must be informed about the preparation of formula when formula is prescribed for their babies.

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One of the problems in the care of healthy children is that mothers often give infant formulae to their normally growing infants in the first 4 months of life because they believe that they are unable to satisfy them. However, the association of fat content in breast milk with the sucking pattern of the infant is not clearly known. In order to determine whether the fat concentration of human milk was associated with sucking characteristics of the infants, 80 healthy 2-month-old babies and their mothers were included in the study. Milk creamatocrit was assessed at the beginning, at the first, fifth and 10th minutes and at the end of breast feeding. The creamatocrit values increased as the time elapsed from the beginning of breast feeding. There was an inverse relationship between milk volume and creamatocrit at both the beginning and the end of breast feeding (P < 0.05). The mean milk volume was higher and the mean creamatocrit at the end of breast feeding was lower in the infants whose 2-month weight gain was higher than the 75th percentile (75P) compared with those whose 2-month weight gain was lower than the 25th percentile (25P) (for milk volume 105 +/- 36 mL vs. 76 +/- 30 mL, respectively, P < 0.05; and for creamatocrit value 11.4 +/- 4.0 vs. 14.3 +/- 3.8, respectively, P < 0.05). Milk volume is the most important factor affecting weight gain of exclusively breast-fed babies, and fat concentration of human milk is not a primary determining factor in individual differences in weight gain of the infants and appears to be secondary to factors such as number of feeds per day, duration of breast feeding and the volume of milk sucked.

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