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The overall diet quality in childhood is prospectively associated with the timing of puberty
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The overall diet quality in childhood is prospectively associated with the timing of puberty
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The overall diet quality in childhood is prospectively associated with the timing of puberty
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Journal Article
The overall diet quality in childhood is prospectively associated with the timing of puberty
2021
Overview
Purpose
The influences of nutrition in childhood on puberty onset could have sustained consequences for health and wellbeing later in life. The aim of this study was to investigate the prospective association of diet quality prior to puberty with the timing of puberty onset.
Methods
We considered data from 3983 SCCNG (Southwest China Childhood Nutrition and Growth) study participants with dietary data, anthropometric measurement, and information on potential confounders at their baseline assessment (mean age: 7.1 years for girls and 7.3 years for boys; mean length of follow-up was 4.2 years). Cox proportional hazard regression estimating hazard ratios (HRs) and 95% confidence intervals (CIs) were used to examine the relationship between diet quality and puberty onset. Dietary intake at baseline was assessed using a validated food frequency questionnaire. Diet quality was determined using the Chinese Children Dietary Index (CCDI) which measures adherence to current dietary recommendations (theoretical range: 0–160 points). Age at Tanner stage 2 for breast/genital development (B2/G2), menarche or voice break (M/VB) were used as pubertal markers.
Results
The CCDI score ranged from 56.2 to 136.3 for girls and 46.1–131.5 for boys. Pubertal markers consistently indicate that girls and boys with higher diet quality were more likely to enter their puberty later than their counterparts with lower CCDI scores (higher vs. lower CCDI tertiles: adjusted HR for age at B2: 0.85 (95% CI, 0.81–0.94),
p
for trend = 0.02; G2: 0.86 (95% CI,0.80–0.96),
p
for trend = 0.02; M: 0.86 (95% CI,0.80–0.95),
p
for trend = 0.02; VB: 0.86 (95% CI,0.79–0.98),
p
for trend = 0.03), after adjustment for paternal education level, baseline energy intake, and pre-pubertal body fat.
Conclusions
Our data suggested a later puberty onset and later timing of progressed puberty stages in children with a high diet quality, which were independent of pre-pubertal body fat.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
Subject
