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- Title
Breastfeeding is associated with reduced risks of central obesity and hypertension in young school-aged children: a large, population-based study.
- Authors
Lin, Dan; Chen, Didi; Huang, Jun; Li, Yun; Wen, Xiaosa; Ou, Ping; Shi, Huijing
- Abstract
Background: Previous studies examined the effects of breastfeeding on measured values of body circumferences or blood pressure during childhood. However, limited data are available for the association between child feeding and a specific disease diagnosed as central obesity or hypertension. Hence, we aimed to examine whether the type and duration of breastfeeding are associated with obesity/central obesity or hypertension in young school-aged children. Methods: We matched the data obtained from a cross-sectional survey in 2019 with retrospective breastfeeding information recorded in the database. Heights, weights, waist circumferences, and blood pressures of 8480 children in first grade of primary schools in Shanghai, China were measured to diagnose obesity, central obesity, and hypertension. Data on child feeding was collected retrospectively from clinical records. Associations between the type/duration of breastfeeding and children's measured values of body mass index, waist circumference, and blood pressure were analysed by linear regression. Associations between the type/duration of breastfeeding and risks of obesity, central obesity, and hypertension were analysed by generalised linear models. Results: Breastfeeding duration was inversely associated with blood pressure values in children in the first grade. Each month's increase in the duration of any breastfeeding was associated with a 0.07 mmHg decrease in systolic blood pressure (P < 0.01) and a 0.05 mmHg decrease in diastolic blood pressure (P < 0.01). Any breastfeeding > one month was associated with a reduced risk of hypertension (adjusted risk ratio 0.84; 95% CI 0.73, 0.96, P = 0.01). Exclusive breastfeeding > one month was associated with a reduced risk of central obesity (adjusted risk ratio 0.76; 95% CI: 0.60, 0.96, P = 0.02). Any breastfeeding > 12 months was linked with a lower risk of hypertension (adjusted risk ratio 0.83; 95% CI 0.70, 0.98, P = 0.03). Conclusions: Lack of breastfeeding is associated with higher risks of central obesity and hypertension during middle childhood. As a potential component of the public health strategy to reduce population levels of metabolic and cardiovascular diseases, breastfeeding could be a vital prevention strategy.
- Subjects
CHINA; HYPERTENSION risk factors; CARDIOVASCULAR disease prevention; CONFIDENCE intervals; CHILDHOOD obesity; TIME; RETROSPECTIVE studies; ACQUISITION of data; REGRESSION analysis; PUBLIC health; BREASTFEEDING; MEDICAL records; DESCRIPTIVE statistics; ELEMENTARY schools; BODY mass index; HEALTH promotion; DISEASE risk factors; CHILDREN
- Publication
International Breastfeeding Journal, 2023, Vol 18, Issue 1, p1
- ISSN
1746-4358
- Publication type
Article
- DOI
10.1186/s13006-023-00581-1