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Author (up) Naess, M.; Sund, E.R.; Holmen, T.L.; Kvaloy, K. url  doi
  Title Implications of parental lifestyle changes and education level on adolescent offspring weight: a population based cohort study – The HUNT Study, Norway Type Journal Article
  Year 2018 Publication BMJ Open Abbreviated Journal BMJ Open  
  Volume 8 Issue 8 Pages e023406  
  Keywords Bmi; lifestyle; parent-offspring weight associations; parental physical activity change; parental weight-change  
  Abstract OBJECTIVE: Obesity tends to cluster in families reflecting both common genetics and shared lifestyle patterns within the family environment. The aim of this study was to examine whether parental lifestyle changes over time, exemplified by changes in weight and physical activity, could affect offspring weight in adolescents and if parental education level influenced the relationship. DESIGN, SETTING AND PARTICIPANTS: The population-based cohort study included 4424 parent-offspring participants from the Nord-Trondelag Health Study, Norway. Exposition was parental change in weight and physical activity over 11 years, and outcome was offspring weight measured in z-scores of body mass index (BMI) in mixed linear models. RESULTS: Maternal weight reduction by 2-6 kg was significantly associated with lower offspring BMI z-scores: -0.132 (95% CI -0.259 to -0.004) in the model adjusted for education. Parental weight change displayed similar effect patterns on offspring weight regardless of parents' education level. Further, BMI was consistently lower in families of high education compared with low education in the fully adjusted models. In mothers, reduced physical activity level over time was associated with higher BMI z-scores in offspring: 0.159 (95% CI 0.030 to 0.288). Associations between physical activity change and adolescent BMI was not moderated by parental education levels. CONCLUSION: Lifestyle changes in mothers were associated with offspring BMI; reduced weight with lower-and reduced physical activity with higher BMI. Father's lifestyle changes, however, did not significantly affect adolescent offspring's weight. Overall, patterns of association between parental changes and offspring's BMI were independent of parental education levels, though adolescents with parents with high education had lower weight in general.  
  Address Department of Research and Development, Levanger Hospital, Nord-Trondelag Health Trust, Levanger, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2044-6055 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:30166309; PMCID:PMC6119406 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 2140  
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