title: Dairy intakes at age 10 years do not adversely affect risk of excess adiposity at 13 years.
abstract: Evidence of an association between milk intake and childhood adiposity remains inconsistent, with few data available regarding the effects of the amount of dairy fat consumed. This study examined the relation between dairy consumption (total, full, and reduced fat) at age 10 y on risk of excess adiposity at age 13 y in participants of the Avon Longitudinal Study of Parents and Children (ALSPAC; n = 2455). Intakes were assessed by 3-d dietary records. Total body fat mass (TBFM) using dual-energy X-ray absorptiometry was examined at 13 y. Outcomes included excess TBFM (top quintile of TBFM), overweight, and change in body mass index (BMI). The highest vs. lowest quartile of total dairy consumers (g/d) at age 10 y did not have an increased risk of excess TBFM (OR: 0.73; 95% CI: 0.46, 1.16; P-trend = 0.28) or overweight (OR: 0.69; 95% CI: 0.41, 1.15; P = 0.24) at age 13 y. Children in the highest quartile of full-fat dairy intakes vs. those in the lowest quartile had a reduced risk of excess TBFM (OR: 0.64; 95% CI: 0.41, 1.00; P = 0.04) and a suggestion of a reduction in overweight (OR: 0.65; 95% CI: 0.40, 1.06; P = 0.19) at age 13 y. Furthermore, the highest vs. lowest consumers of full-fat products had smaller gains in BMI during follow-up [2.5 kg/m² (95% CI: 2.2, 2.7) vs. 2.8 kg/m² (95% CI: 2.5, 3.0); P < 0.01]. Associations with reduced-fat dairy consumption did not attain statistical significance. In this study, dairy consumption was not related to excess fat accumulation during late childhood. Estimates had wide confidence limits but generally showed inverse relations between dairy intakes and risk of excess adiposity. Additional prospective research is warranted to confirm the effects of dairy intake on obesity in children.
authors.affiliation: Department of Pediatrics.
authors.forename: Sherman J
authors.initials: SJ
authors.lastname: Bigornia
authors.affiliation: Biostatistics and.
authors.forename: Michael P
authors.initials: MP
authors.lastname: LaValley
authors.affiliation: Section of Preventive Medicine and Epidemiology, Department of Medicine, and.
authors.forename: Lynn L
authors.initials: LL
authors.lastname: Moore
authors.affiliation: School of Social and Community Medicine and.
authors.forename: Kate
authors.initials: K
authors.lastname: Northstone
authors.affiliation: School of Social and Community Medicine and.
authors.forename: Pauline
authors.initials: P
authors.lastname: Emmett
authors.affiliation: School of Social and Community Medicine and School of Oral and Dental Sciences, University of Bristol, Bristol, UK; and.
authors.forename: Andy R
authors.initials: AR
authors.lastname: Ness
authors.affiliation: Department of Pediatrics, Division of Graduate Medical Sciences, Boston University School of Medicine, Boston, MA; Departments of Epidemiology, Boston University School of Public Health, Boston, MA; Program in Gastronomy, Culinary Arts, and Wine Studies, Boston University Metropolitan College, Boston, MA pknewby@post.harvard.edu.
authors.forename: P K
authors.initials: PK
authors.lastname: Newby
mesh_terms: D015502:Absorptiometry, Photon; D050154:Adiposity; D000293:Adolescent; D041923:Adolescent Development; D015992:Body Mass Index; D002648:Child; D002657:Child Development; D002664:Child Nutritional Physiological Phenomena; D015331:Cohort Studies; D003611:Dairy Products / Q000009:adverse effects*; D018752:Diet, Fat-Restricted / Q000009:adverse effects; D059305:Diet, High-Fat / Q000009:adverse effects; D004739:England / Q000453:epidemiology; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D050177:Overweight / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology / Q000517:prevention & control; D011446:Prospective Studies; D012306:Risk
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