Dataset Information

Vitamin D supplementation and vitamin D status in children of immigrant background in Norway.

ABSTRACT:

Objective

Sufficient vitamin D status during infancy is important for child health and development. Several initiatives for improving vitamin D status among immigrant children have been implemented in Norway. The present study aimed to evaluate the vitamin D status and its determinants in children of immigrant background in Oslo.

Design

Cross-sectional study.

Setting

Child health clinics in Oslo.

Subjects

Healthy children with immigrant background (n 102) aged 9-16 months were recruited at the routine one-year check-up from two child health clinics with high proportions of immigrant clients. Blood samples were collected using the dried blood spot technique and analysed for serum 25-hydroxyvitamin D (s-25(OH)D) concentration using LC-MS/MS.

Results

Mean s-25(OH)D was 52·3 (sd 16·7) nmol/l, with only three children below 25 nmol/l and none below 12·5 nmol/l. There was no significant gender, ethnic or seasonal variation in s-25(OH)D. However, compared with breast-fed children, s-25(OH)D concentration was significantly higher among children who were about 1 year of age and not breast-fed. About 38 % of the children were anaemic, but there was no significant correlation between s-25(OH)D and Hb (Pearson correlation, r=0·1, P=0·33).

Conclusions

Few children in the study had vitamin D deficiency, but about 47 % of the children in the study population were under the recommended s-25(OH)D sufficiency level of ≥50 nmol/l.

SUBMITTER: Madar AA

PROVIDER: S-EPMC10261310 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Publications

Vitamin D supplementation and vitamin D status in children of immigrant background in Norway.

Madar Ahmed A AA Gundersen Thomas E TE Haug Anne M AM Meyer Haakon E HE

Public health nutrition 20170809 16

<h4>Objective</h4>Sufficient vitamin D status during infancy is important for child health and development. Several initiatives for improving vitamin D status among immigrant children have been implemented in Norway. The present study aimed to evaluate the vitamin D status and its determinants in children of immigrant background in Oslo.<h4>Design</h4>Cross-sectional study.<h4>Setting</h4>Child health clinics in Oslo.<h4>Subjects</h4>Healthy children with immigrant background (n 102) aged 9-16 m ...[more]

PMID: 28789713

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Project description:BackgroundLittle is known about the prevalence of overweight/obesity and socio-economic position (SEP) in children with immigrant background in Scandinavia. The purpose of this study is to examine the prevalence of overweight/obesity by immigrant background among children in Norway and to explore the role of SEP in explaining differences in weight status.MethodsAnthropometric data from 8,858 children (age 8.3 years) from the population-based Norwegian Childhood Growth Study were used. Information about immigrant background, country of origin, and parental education (used as an indicator of SEP) were provided by Statistics Norway. For children with immigrant background, regional background was determined based on country of origin. Prevalence ratios (PR) were estimated for overweight/obesity and weight-to-height-ratio (WHtR) ≥ 0.5 by immigration and regional background, using generalized estimating equation log-binominal models adjusting for sex, age, survey year (model 1), residential area, population density (model 2) and parental education (model 3).ResultsChildren with immigrant background had a higher prevalence of overweight/obesity and WHtR ≥ 0.5 than non-immigrant background children. Adjusted for parental education, children with an immigrant background from Southern and Eastern Europe, Asia except South-Asia, and Africa had a higher prevalence of overweight/obesity [PR: 1.37 (95% confidence interval (CI): 1.10-1.72), 1.28 (1.05-1.57), 1.47 (1.13-1.91), respectively] than children with a non-immigrant background. Children originating from Asia except South-Asia had a higher prevalence of WHtR ≥ 0.5 (PR: 1.64, CI: 1.25-2.15) compared to non-immigrant background children. The adjustment for parental education did not substantially change the results.ConclusionChildren with immigrant background had higher prevalence of overweight/obesity than non-immigrant background children. The difference varied according to region of origin but not substantially according to parental education. There is a need for culturally acceptable preventative measures targeting the parents of immigrant background children.

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Project description:PurposeLower COVID-19 vaccination rates have been observed among some adult immigrant populations in Norway, and there appears to be an association with sociodemographic factors. However, knowledge is lacking on the distribution of vaccination rates and role of sociodemographic factors among adolescents. This study aims to describe COVID-19 vaccination rates among adolescents according to immigrant background, household income, and parental education.MethodsIn this nationwide registry study, we analyzed individual-level data on adolescents (12-17 years) from the Norwegian Emergency preparedness register for COVID-19 until September 15th, 2022. We estimated incidence rate ratios (IRR) for receiving at least one COVID-19 vaccine dose by country background, household income and parental education, using Poisson regression, adjusting for age, sex, and county.ResultsThe sample comprised 384,815 adolescents. Foreign-born and Norwegian-born with foreign-born parents, had lower vaccination rates (57 % and 58 %) compared to adolescents with at least one Norwegian-born parent (84 %). Vaccination rates by country background varied from 88 % (Vietnam) to 31 % (Russia). Variation and associations by country background, household income, and parental education were greater among 12-15-year-olds than 16-17-year-olds. Household income and parental education were positively associated with vaccination. Compared to the lowest income and education category, IRRs for household income ranged from 1.07 (95 % CI 1.06-1.09) to 1.31 (95 % CI 1.29-1.33) among 12-15-year-olds, and 1.06 (95 % CI 1.04-1.07) to 1.17 (95 % CI 1.15-1.18) among 16-17-year-olds. For parental education, from IRR 1.08 (95 % CI 1.06-1.09) to 1.18 (95 % CI 1.17-1.20) among 12-15-year-olds, and 1.05 (95 % CI 1.04-1.07) to 1.09 (95 % CI 1.07-1.10) among 16-17-year-olds.ConclusionCOVID-19 vaccination rates varied by immigrant background and age group, with lower rates especially among adolescents with background from Eastern Europe and among younger adolescents. Household income and parental education were positively associated with vaccination rates. Our results may help target measures to increase vaccination rates among adolescents.

Dataset Information

Vitamin D supplementation and vitamin D status in children of immigrant background in Norway.

Objective

Design

Setting

Subjects

Results

Conclusions

Publications

Vitamin D supplementation and vitamin D status in children of immigrant background in Norway.

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