Are single children more likely to be overweight or obese than those with siblings? The influence of China's one-child policy on childhood obesity

Jungwon Min, Hong Xue, Vivian H.C. Wang, Miao Li, Youfa Wang

Research output: Contribution to journalArticle

Abstract

China's one-child policy (1979–2015) has affected Chinese parenting practices and children's health behaviors and also may have contributed to increased childhood obesity. However, very limited research has investigated the association between one-child policy and childhood obesity. We examined characteristics of single-child families and the influence of one-child policy (indicated by single-child status) on children's weight status and related health behaviors. Data from children aged 6–18 years old in the 2011 (n = 1580) and 2000 (n = 2317) China Health and Nutrition Survey were cross-sectionally analyzed with multilevel models. From 2000 to 2011, the rates about doubled for being a single-child (30.1% to 57.0%) and being overweight or obese (OWB, 6.6% to 16.5%) along with urbanization (27.5% to 37.1%). Single-child families had higher levels of parental education, household income and urban residence than families with ≥ two children (p < 0.05). Compared to the children with siblings, single children were more likely to be OWB; the association became stronger over time (OR = 4.5 (1.7–12.4) in 2011 and 1.7 (1.0–2.8) in 2000). Also, single children had less recreational screen time, but similar physical activity levels; however single urban children were more likely to have excess total energy intake (OR = 5.70 (1.58–20.60)) than those with siblings. Being single-child is about four times more likely to be overweight/obesity than those having siblings, and the association became stronger over time in China. China's one-child policy might have contributed to its rising childhood obesity rates. Obesity intervention programs may need to account for the influence of the one-child policy in China.

Original languageEnglish (US)
Pages (from-to)8-13
Number of pages6
JournalPreventive Medicine
Volume103
DOIs
StatePublished - Oct 1 2017
Externally publishedYes

Fingerprint

Family Planning Policy
Pediatric Obesity
Siblings
China
Health Behavior
Obesity
Urbanization
Nutrition Surveys
Parenting
Child Behavior
Energy Intake
Health Surveys

Keywords

  • Body mass index
  • Child
  • China
  • Obesity
  • One child policy
  • Overweight

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

Cite this

Are single children more likely to be overweight or obese than those with siblings? The influence of China's one-child policy on childhood obesity. / Min, Jungwon; Xue, Hong; Wang, Vivian H.C.; Li, Miao; Wang, Youfa.

In: Preventive Medicine, Vol. 103, 01.10.2017, p. 8-13.

Research output: Contribution to journalArticle

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abstract = "China's one-child policy (1979–2015) has affected Chinese parenting practices and children's health behaviors and also may have contributed to increased childhood obesity. However, very limited research has investigated the association between one-child policy and childhood obesity. We examined characteristics of single-child families and the influence of one-child policy (indicated by single-child status) on children's weight status and related health behaviors. Data from children aged 6–18 years old in the 2011 (n = 1580) and 2000 (n = 2317) China Health and Nutrition Survey were cross-sectionally analyzed with multilevel models. From 2000 to 2011, the rates about doubled for being a single-child (30.1{\%} to 57.0{\%}) and being overweight or obese (OWB, 6.6{\%} to 16.5{\%}) along with urbanization (27.5{\%} to 37.1{\%}). Single-child families had higher levels of parental education, household income and urban residence than families with ≥ two children (p < 0.05). Compared to the children with siblings, single children were more likely to be OWB; the association became stronger over time (OR = 4.5 (1.7–12.4) in 2011 and 1.7 (1.0–2.8) in 2000). Also, single children had less recreational screen time, but similar physical activity levels; however single urban children were more likely to have excess total energy intake (OR = 5.70 (1.58–20.60)) than those with siblings. Being single-child is about four times more likely to be overweight/obesity than those having siblings, and the association became stronger over time in China. China's one-child policy might have contributed to its rising childhood obesity rates. Obesity intervention programs may need to account for the influence of the one-child policy in China.",
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