Dataset Information

Pathways into and out of overweight and obesity from infancy to mid-childhood.

ABSTRACT: OBJECTIVES:To investigate whether high weight in infancy predicts obesity in childhood. METHOD:Data from two UK cohorts (Newcastle Growth and Development N = 795, Gateshead Millennium N = 393) and one Finnish (Tampere N = 1262) were combined. Z scores of weight at 3 and 12 months and body mass index (BMI) at 5 and 8 years were categorized as raised/overweight (1 to <2 SD) or high/obese (?2 SD). RESULTS:The majority of infants with raised or high weight at birth tended to revert to normal by 3 months and to track in the same category from 3 to 12 months. Although infants with high weight were five times more likely to have BMI ? 2 SD at 8 years (p < 0.001), only 22% went on to have BMI ? 2 SD, while 64% of infants with raised weight had normal BMI at 8 years. Of children with BMI ? 2 SD aged 8 years, only 22% had raised weight in infancy and half had BMI ? 2 SD for the first time at that age. CONCLUSIONS:Infants with raised weight in infancy tend to remain so, but most children who go on to have BMI ? 2 SD were not unusually heavy infants and the majority of infants with high weight reverted to overweight or normal weight in childhood.

SUBMITTER: Wright CM

PROVIDER: S-EPMC6220864 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Pathways into and out of overweight and obesity from infancy to mid-childhood.

Wright C M CM Marryat L L McColl J J Harjunmaa U U Cole T J TJ

Pediatric obesity 20180711 10

<h4>Objectives</h4>To investigate whether high weight in infancy predicts obesity in childhood.<h4>Method</h4>Data from two UK cohorts (Newcastle Growth and Development N = 795, Gateshead Millennium N = 393) and one Finnish (Tampere N = 1262) were combined. Z scores of weight at 3 and 12 months and body mass index (BMI) at 5 and 8 years were categorized as raised/overweight (1 to <2 SD) or high/obese (≥2 SD).<h4>Results</h4>The majority of infants with raised or high weight at birth tended to re ...[more]

PMID: 29998577

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Project description:BACKGROUND:Rapid infant weight gain (RIWG) is a very strong predictor of childhood overweight and obesity (COO). Socioeconomic position (SEP) is also related to the risk of COO and parents of different SEP may differ in their reaction to accelerated infant weight gain. Together this could lead to differences in how weight gain and COO risk relate across SEP. This study aimed to analyse possible interaction of SEP and RIWG on COO risk. METHODS:A register-based longitudinal cohort study followed 19,894 healthy, term infants, born in Denmark between December 2011 and May 2015. Logistic regression models were used to estimate odds ratios (OR) of COO risk at 2 years (22-26 months) of age with 95% confidence intervals (95% CI) for categories of infancy weight gain based on changes in weight-for-age z-scores between 0 and 8-10 months of age (slow (<- 0.67), mean (- 0.67-0.67), rapid (> 0.67-1.34) and very rapid (> 1.34)). Possible multiplicative and additive interaction of SEP (based on household income and maternal education) on the relationship between infancy weight gain and COO were analysed. RESULTS:In total, 19.1 and 15.1% experienced rapid or very rapid weight gain, respectively, and 1497 (7.5%) children were classified with COO at follow-up. These prevalences were higher in those with lower levels of SEP. Adjusted OR for COO were 3.09 (95% CI [2.66-3.59]) and 7.58 (95% CI [6.51-8.83]) for rapid and very rapid weight gain, respectively, when household income was included in the model. Results were similar in the model including maternal education. No signs of interactions were detected on a multiplicative scale. Weak signs of additive interaction were present, but these values did not reach significance. CONCLUSION:Both rapid and very rapid weight gain were associated with substantially higher risks of COO but these associations were not modified by SEP. This indicates that promotion of healthy weight gain should take place in all population groups irrespective of their SEP.

Dataset Information

Pathways into and out of overweight and obesity from infancy to mid-childhood.

Publications

Pathways into and out of overweight and obesity from infancy to mid-childhood.

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