Family and early life factors associated with changes in overweight status between ages 5 and 14 years: findings from the Mater University Study of Pregnancy and its outcomes

Mamun, Abdullah Al; Lawlor, Debbie A.; O’Callaghan, Michael; Williams, Gail M.; Najman, Jake M.

doi:10.1038/sj.ijo.0802922

Cited by 76 publications

(67 citation statements)

References 32 publications

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“…There is also evidence suggesting that children from higher socioeconomic groups or those who are overweight or obese throughout childhood experience puberty earlier, [7][8][9][10][11][12][13][14] although this is contested. 15,16 Other investigations have found a similar association with parental sociodemographic background, 17,18 maternal smoking during pregnancy 19 and intrauterine growth. 20 More importantly, childhood body mass index (BMI), which is related to obesity in early adulthood, 21 is associated with the timing of puberty.…”

Section: Introductionmentioning

confidence: 74%

Early overweight and pubertal maturation—pathways of association with young adults’ overweight: a longitudinal study

et al. 2008

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Objective: Objectives of this study were to examine the prospective association of childhood body mass index (BMI) and overweight and pubertal stages with BMI and overweight in early adulthood independent of each other. Design: A population-based prospective birth cohort. Subjects: We used a population-based prospective birth cohort of 2897 (52% men) young adults who were born during 1981-1983 in Brisbane, Australia, and for whom we had puberty stages using Tanner scale at 14 years and measured BMI at 5 years of age. Main outcome measures: Pubertal stages at adolescent and BMI and its categories at 21 years. Results: We found that increasing BMI and overweight at 5 years of age predict the advanced stages of puberty. An advanced stage of puberty predicts young adults' BMI and overweight status at 21 years. When taking both childhood BMI and pubertal status into consideration, we found that being overweight at 5 years substantively increases BMI at 21 years, regardless of the stage of puberty reported at 14 years. We also found that subjects with normal BMI at 5 years but with higher stages of puberty at 14 years had threefolds greater risk to be overweight at 21 years compared with their counterparts. All associations remained consistent after controlling for potential confounders. Conclusions: Although this study underscores the impact of both child overweight and pubertal development on young adults' obesity, the mechanism that further explains the impact of puberty needs to be identified.

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Section: Introductionmentioning

confidence: 74%

Early overweight and pubertal maturation—pathways of association with young adults’ overweight: a longitudinal study

et al. 2008

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“…1,2 It has also been argued that prevention of obesity should start from childhood and intervention programs are more successful with parental involvement. 3 Thus, parental recognition of their children who are overweight or obese is important so that prevention and treatment strategies may be implemented early in life.…”

Section: Introductionmentioning

confidence: 99%

Predictors of maternal misclassifications of their offspring's weight status: a longitudinal study

et al. 2007

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Background: Very little is known about the factors influencing parental misclassifications of a child's weight status. The aim of this study is to examine the predictors of maternal misclassifications of their adolescent offspring's weight status. Methods: A mother-child linked analysis was carried out using 14-year follow-up data from a population-based prospective birth cohort of 2650 children (52% males) who were participants in the Mater-University Study of Pregnancy in Brisbane (Australia) in 1981. Offspring's observed height and weight and maternal perception of offspring weight were reported when they were 14 years old and predictors were prospectively recorded either at first clinical visit of mothers or at 5 or 14 years follow-up. Maternal misclassifications were defined combining observed body mass index (BMI) categories and maternal perceptions of their offspring's weight status. Results: We found that maternal misclassification of child's weight status was common and included misclassifications both to higher and lower weight categories. Forty percent of mothers of overweight children misclassified their child as normal or underweight, more so in males than females. Fifteen percent of mothers of normal weight children misclassified their child as underweight, again more so in males than females. The main independent predictors of maternal misclassifications of child weight status were gender, child dissatisfaction with appearance, shape, size and weight, dieting to lose weight, general health status, maternal BMI and family meals. Gender, child dissatisfaction, dieting and maternal overweight were especially associated with misclassifications of overweight children. Conclusions: This study identified a number of maternal, child and family factors associated with maternal misclassifications of child weight status. Although relevant for clinical practice, further study is needed, however, to evaluate the benefits and harms of promoting increasing parental and child awareness of the child's weight status at a population level.

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“…On the other hand, if the alternate hypothesis is true and drop-out is differential by either exposure or outcome, it is likely that the results presented here underestimate the true association between externalizing behavior in children and CUD. Repeated analyses of the impact of attrition on findings from the MUSP suggest such impacts are rare (Mamun, Lawlor, O'Callaghan, Williams, & Najman, 2005). In any case, as described in the Methods, we have used inverse probability weighting and found that selective attrition is unlikely to have had any material impact on our results.…”

Section: Limitationsmentioning

confidence: 99%

Child and adolescent externalizing behavior and cannabis use disorders in early adulthood: An Australian prospective birth cohort study

Hayatbakhsh

McGee

Bor

et al. 2008

Addictive Behaviors

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This study examined the association between age of onset and persistence of externalizing behavior and young adults' cannabis use disorders (CUDs). Data were from a 21 year follow-up of a birth cohort study in Brisbane, Australia. The present cohort consisted of 2225 young adults who had data available about CUDs at 21 years and externalizing behavior at 5 and 14 years. Young adults' CUDs were assessed using the CIDIAuto. Child and adolescent externalizing behavior were assessed at the 5-and 14-year phases of the study. After controlling for confounding variables, children who had externalizing behavior at both 5 and 14 years (child-onset-persistent) (COP) had a substantial increase in risk of CUD at age 21 years (Odds ratio (OR) = 2.5; 95% CI: 1.5, 4.2). This association was similar for those who had 'adolescent onset' (AO) externalizing behavior. However, there was no association between 'childhood limited' (CL) externalizing behavior and CUD. Externalizing behavior in adolescence is a strong predictor of subsequent CUD. Smoking and drinking at 14 years partially mediated the link between externalizing behavior and CUD.

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Family and early life factors associated with changes in overweight status between ages 5 and 14 years: findings from the Mater University Study of Pregnancy and its outcomes

Cited by 76 publications

References 32 publications

Early overweight and pubertal maturation—pathways of association with young adults’ overweight: a longitudinal study

Early overweight and pubertal maturation—pathways of association with young adults’ overweight: a longitudinal study

Predictors of maternal misclassifications of their offspring's weight status: a longitudinal study

Child and adolescent externalizing behavior and cannabis use disorders in early adulthood: An Australian prospective birth cohort study

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