OBJECTIVE: To assess the association between breast feeding and blood lipid levels in adolescence. DESIGN: Population based prospective birth cohort study. SETTING: City of Pelotas, Brazil. SUBJECTS: All hospital births taking place in 1982; 79% of all males (n = 2250) were followed up for 18 years, and 2089 blood samples were available. INTERVENTIONS: None. MAIN OUTCOME MEASURES: Total cholesterol and fractions (very low density lipoprotein cholesterol (VLDL), low density lipoprotein cholesterol (LDL), high density lipoprotein cholesterol (HDL)), LDL/HDL ratio, serum triglycerides. RESULTS: Three breast feeding variables were studied: total duration of breast feeding, duration of exclusive or predominant breast feeding, and ever compared with never breast fed. Adjusted analyses were controlled for family income, household assets index, maternal education, maternal pre-pregnancy body mass index (BMI), skin colour, birth weight, gestational age, maternal smoking during pregnancy, and adolescent BMI, and behavioural variables (fat content of diet, physical activity, smoking, and alcohol drinking). Only one association reached borderline significance (p = 0.05): LDL cholesterol was slightly higher among never (mean 41.0 mg/dl; 95% CI 39.4 to 42.7) than among ever breast fed men (38.6 mg/dl; 95% CI 38.6 to 40.3), in the adjusted analyses. All other associations were not significant (p> or =0.09). There was no evidence of effect modification according to preterm status, intrauterine growth retardation, socioeconomic level, growth velocity in the first two years of life, or nutritional status at 2 years of age. CONCLUSIONS: There was no clear association between breast feeding duration and serum lipid concentrations at the age of 18 years in this sample of Brazilian men.
OBJECTIVE: To assess the association between breast feeding and blood lipid levels in adolescence. DESIGN: Population based prospective birth cohort study. SETTING: City of Pelotas, Brazil. SUBJECTS: All hospital births taking place in 1982; 79% of all males (n = 2250) were followed up for 18 years, and 2089 blood samples were available. INTERVENTIONS: None. MAIN OUTCOME MEASURES: Total cholesterol and fractions (very low density lipoprotein cholesterol (VLDL), low density lipoprotein cholesterol (LDL), high density lipoprotein cholesterol (HDL)), LDL/HDL ratio, serum triglycerides. RESULTS: Three breast feeding variables were studied: total duration of breast feeding, duration of exclusive or predominant breast feeding, and ever compared with never breast fed. Adjusted analyses were controlled for family income, household assets index, maternal education, maternal pre-pregnancy body mass index (BMI), skin colour, birth weight, gestational age, maternal smoking during pregnancy, and adolescent BMI, and behavioural variables (fat content of diet, physical activity, smoking, and alcohol drinking). Only one association reached borderline significance (p = 0.05): LDL cholesterol was slightly higher among never (mean 41.0 mg/dl; 95% CI 39.4 to 42.7) than among ever breast fed men (38.6 mg/dl; 95% CI 38.6 to 40.3), in the adjusted analyses. All other associations were not significant (p> or =0.09). There was no evidence of effect modification according to preterm status, intrauterine growth retardation, socioeconomic level, growth velocity in the first two years of life, or nutritional status at 2 years of age. CONCLUSIONS: There was no clear association between breast feeding duration and serum lipid concentrations at the age of 18 years in this sample of Brazilian men.
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Authors: Darcy Güngör; Perrine Nadaud; Concetta C LaPergola; Carol Dreibelbis; Yat Ping Wong; Nancy Terry; Steve A Abrams; Leila Beker; Tova Jacobovits; Kirsi M Järvinen; Laurie A Nommsen-Rivers; Kimberly O O'Brien; Emily Oken; Rafael Pérez-Escamilla; Ekhard E Ziegler; Joanne M Spahn Journal: Am J Clin Nutr Date: 2019-03-01 Impact factor: 7.045