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- Title
Norwegian children and adolescents in blended families are at risk of larger one-year BMI increments.
- Authors
Kristiansen, Hege; Roelants, Mathieu; Bjerknes, Robert; Juliusson, Petur B.
- Abstract
<bold>Aim: </bold>To study how sociodemographic factors and family structure associate with baseline BMI z-scores (BMIz) and BMIz change in 767 Norwegian children aged 6-15 years.<bold>Methods: </bold>Baseline BMIz and 1-year BMIz increments in children from the Bergen Growth Study were analysed with linear and logistic regression, according to sociodemographic factors and family structure. A blended family was defined as including a step-parent and/or half-sibling.<bold>Results: </bold>In a fully adjusted regression model, baseline BMIz were only significantly associated with maternal BMI (b = 0.087, 95%CI 0.067, 0.107). Body Mass Index z-scores increments were larger in children living in a blended family (b = 0.060, 95%CI 0.006, 0.115), with a lower parental education (b = 0.127, 95%CI 0.029, 0.226) and with a higher maternal BMI (b = 0.008, 95%CI 0.001, 0.014). The odds for a large BMIz increment (>1 SD) were higher in children living in blended families (OR 1.82, 95%CI 1.16, 2.88) and with higher maternal BMI (OR 1.07, 95%CI 1.01, 1.13) and lower in 9-11-year-old children (OR 0.44, 95%CI 0.26, 0.77) compared with 12-15-year-olds.<bold>Conclusion: </bold>Body Mass Index z-scores increments were more strongly associated with sociodemographic factors and living in a blended family than baseline BMIz values. BMI z-scores increments could be useful for identifying children at risk of becoming overweight or obese.
- Subjects
STEPFAMILIES; FAMILIES; BODY mass index; SOCIODEMOGRAPHIC factors; OBESITY; RESEARCH; CHILDHOOD obesity; RESEARCH methodology; MEDICAL cooperation; EVALUATION research; COMPARATIVE studies; QUESTIONNAIRES; RESEARCH funding; EDUCATIONAL attainment
- Publication
Acta Paediatrica, 2020, Vol 109, Issue 3, p587
- ISSN
0803-5253
- Publication type
journal article
- DOI
10.1111/apa.15019