Social inequalities in infant feeding during the first year of life. The Longitudinal Study of Child Development in Québec (LSCDQ 1998-2002).

摘要: Objective: The aim of this paper is to describe the source and scope social inequalities in infant feeding practices. It examines extent which different recommendations are followed groups highlights main factors influencing total adherence three at population level. Design, setting subjects: study follows a representative sample (n ¼ 2103) children born 1998 province Quebec (Canada). Detailed information on breast-feeding complementary was collected 5 17 months by face-to-face interviews with mother. independent variables were mother's age, education level, poverty family type, socio-economic status (SES) living area. Odds ratios (adjusted for baby's rank family, birth weight premature birth) presented breast-feeding, formula cows' milk consumption, ages. combined indicator cumulating (breast-fed birth, food 4 or later 9 later) also presented. Results: analysis indicates that low Quebec. Breast-feeding initiation, duration its exclusivity improved age level SES. Adherence interrelated, indicating an accumulation bad nutritional circumstances low-SES families. odds being fed accordance studied recommendations, when highest SES, 2.3 times higher than lowest When highly educated mother, ratio 2.7 low-educated For reached 3.7 from mothers aged $35 years, comparison #24 years old. SES best situation .8 more likely least privileged be these recommendations. Living area not related during first year life. Conclusions: nutrition could health cognitive outcomes childhood Consequently, disparities diet infancy play role development broadly observed Intervention improve should prioritised evaluated impact reduction over time.