| Titre : | Duration of breastfeeding and risk of overweight : A meta-analysis. (2005) |
| Auteurs : | Thomas HARDER ; Renate Bergmann ; KALLISCHNIGG (Gerd) : DEU. Epidemiology Research Group. Institute of Public Health. Technical University. Berlin. ; Andreas PLAGEMANN ; Charité University Medicine. Division of Experimental Obstetrics. Clinic of Obstetrics. Berlin. DEU |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 162, n° 5, 2005) |
| Pagination : | 397-403 |
| Langues: | Anglais |
| Mots-clés : | Obésité ; Durée ; Allaitement ; Mesure risque ; Poids corporel ; Epidémiologie ; Homme ; Maladie nutrition |
| Résumé : | [BDSP. Notice produite par INIST-CNRS R0xguCGw. Diffusion soumise à autorisation]. Observational studies suggest a longer duration of breastfeeding to be associated dose dependently with a decrease in risk of overweight in later life. The authors performed a comprehensive meta-analysis of the existing studies on duration of breastfeeding and risk of overweight. Studies were included that reported the odds ratio and 95% confidence interval (or the data to calculate them) of overweight associated with breastfeeding and that reported the duration of breastfeeding and used exclusively formula-fed subjects as the referent. Seventeen studies met the inclusion criteria. By meta-regression, the duration of breastfeeding was inversely associated with the risk of overweight (regression coefficient=0.94,95% confidence interval (Cl) : 0.89,0.98). Categorical analysis confirmed this dose-response association (<1 month of breastfeeding : odds ratio (OR)=1.0,95% Cl : 0.65,1.55 ; 1-3 months : OR=0.81,95% Cl : 0.74,0.88 ; 4-6 months : OR=0.76,95% Cl : 0.67,0.86 ; 7-9 months : OR=0.67,95% Cl : 0.55,0.82 ;>9 months : OR=0.68,95% Cl : 0.50,0.91). One month of breastfeeding was associated with a 4% decrease in risk (OR=0.96/month of breastfeeding, 95% Cl : 0.94,0.98). The definitions of overweight and age had no influence. These findings strongly support a dose-dependent association between longer duration of breastfeeding and decrease in risk of overweight. |
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