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Home Cooking and Child Obesity in Japan: Results from the A-CHILD Study

Department of Global Health Promotion, Tokyo Medical and Dental University (TMDU), 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8519, Japan
Author to whom correspondence should be addressed.
Nutrients 2019, 11(12), 2859;
Received: 1 October 2019 / Revised: 18 November 2019 / Accepted: 19 November 2019 / Published: 21 November 2019
This study aimed to investigate the association between the frequency of home cooking and obesity among children in Japan. We used cross-sectional data from the Adachi Child Health Impact of Living Difficulty study, a population-based sample targeting all fourth-grade students aged 9 to 10 in Adachi City, Tokyo, Japan. Frequency of home cooking was assessed by a questionnaire for 4258 caregivers and classified as high (almost every day), medium (4–5 days/week), or low (≤3 days/week). School health checkup data on height and weight were used to calculate body mass index z-scores. Overall, 2.4% and 10.8% of children were exposed to low and medium frequencies of home cooking, respectively. After adjusting for confounding factors, children with a low frequency of home cooking were 2.27 times (95% confidence interval: 1.16–4.45) more likely to be obese, compared with those with a high frequency of home cooking. After adjustment for children’s obesity-related eating behaviors (frequency of vegetable and breakfast intake and snacking habits) as potential mediating factors, the relative risk ratio of obesity became statistically non-significant (1.90; 95% confidence interval: 0.95–3.82). A low frequency of home cooking is associated with obesity among children in Japan, and this link may be explained by unhealthy eating behaviors. View Full-Text
Keywords: home cooking; meal preparation; obesity; children; parenting home cooking; meal preparation; obesity; children; parenting
MDPI and ACS Style

Tani, Y.; Fujiwara, T.; Doi, S.; Isumi, A. Home Cooking and Child Obesity in Japan: Results from the A-CHILD Study. Nutrients 2019, 11, 2859.

AMA Style

Tani Y, Fujiwara T, Doi S, Isumi A. Home Cooking and Child Obesity in Japan: Results from the A-CHILD Study. Nutrients. 2019; 11(12):2859.

Chicago/Turabian Style

Tani, Yukako, Takeo Fujiwara, Satomi Doi, and Aya Isumi. 2019. "Home Cooking and Child Obesity in Japan: Results from the A-CHILD Study" Nutrients 11, no. 12: 2859.

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