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|Title:||Breast-Feeding and Childhood-Onset Type 1 Diabetes A pooled analysis of individual participant data from 43 observational studies|
|Authors:||Cardwell, Chris R.|
Stene, Lars C.
Gimeno, Suely Godoy Agostinho [UNIFESP]
Wadsworth, Emma J. K.
Strotmeyer, Elsa S.
Goldacre, Michael J.
Parslow, Roger C.
Beaufort, Carine E. de
Patterson, Chris C.
Queens Univ Belfast
Norwegian Inst Publ Hlth
Oslo Univ Hosp
Linkoping Univ Hosp
Charles Univ Prague
Univ Hosp Motol
Herlev Univ Hosp
Brighton & Sussex Med Sch & NHS Brighton & Hove
Universidade Federal de São Paulo (UNIFESP)
Hosp Ludwig Maximilian Univ Munich
Natl Taiwan Univ Hosp
Riga Stradins Univ
Univ Campus Biomed
Lithuanian Univ Hlth Sci
Med Univ Vienna
N Paulescu Inst Diabet
Clin Pediat Luxembourg
Royal Childrens Hosp
Ain Shams Univ
Shahid Beheshti Univ Med Sci & Hlth Serv
|Publisher:||Amer Diabetes Assoc|
|Citation:||Diabetes Care. Alexandria: Amer Diabetes Assoc, v. 35, n. 11, p. 2215-2225, 2012.|
|Abstract:||OBJECTIVE-To investigate if there is a reduced risk of type 1 diabetes in children breastfed or exclusively breastfed by performing a pooled analysis with adjustment for recognized confounders.RESEARCH DESIGN and METHODS-Relevant studies were identified from literature searches using MEDLINE, Web of Science, and EMBASE. Authors of relevant studies were asked to provide individual participant data or conduct prespecified analyses. Meta-analysis techniques were used to combine odds ratios (ORs) and investigate heterogeneity between studies.RESULTS-Data were available from 43 studies including 9,874 patients with type 1 diabetes. Overall, there was a reduction in the risk of diabetes after exclusive breast-feeding for >2 weeks (20 studies; OR = 0.75, 95% CI 0.64-0.88), the association after exclusive breast-feeding for >3 months was weaker (30 studies; OR = 0.87, 95% CI 0.75-1.00), and no association was observed after (nonexclusive) breast-feeding for >2 weeks (28 studies; OR = 0.93, 95% CI 0.81-1.07) or >3 months (29 studies; OR = 0.88, 95% CI 0.78-1.00). These associations were all subject to marked heterogeneity (I-2 = 58, 76, 54, and 68%, respectively). in studies with lower risk of bias, the reduced risk after exclusive breast-feeding for >2 weeks remained (12 studies; OR = 0.86, 95% CI 0.75-0.99), and heterogeneity was reduced (I-2 = 0%). Adjustments for potential confounders altered these estimates very little.CONCLUSIONS-The pooled analysis suggests weak protective associations between exclusive breast-feeding and type 1 diabetes risk. However, these findings are difficult to interpret because of the marked variation in effect and possible biases (particularly recall bias) inherent in the included studies. Diabetes Care 35: 2215-2225, 2012|
|Appears in Collections:||Em verificação - Geral|
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