NDLI: Associations between a posteriori defined dietary patterns and bone mineral density in adolescents

Content Provider	Springer Nature Link
Author	Monjardi, Teresa Lucas, Raquel Ramos, Elisabete Lopes, Carla Gaio, Rita Barros, Henrique
Copyright Year	2014
Abstract	Dietary pattern analysis may uncover the joint effects of multiple dietary components on bone health, but such research is scarce and targets mostly adults.We quantified prospective associations between dietary patterns and bone mineral density (BMD) in 1,007 adolescents of a cohort born in 1990 and recruited at schools in Porto during the 2003/2004 school year. Forearm BMD was measured using dual-energy X-ray absorptiometry. Participants’ dietary patterns were classified “Healthier”, “Dairy products”, “Fast food and sweets” and “Lower intake” according to previously identified patterns obtained in a larger sample of 1,489 participants using the K-means method. Using dietary patterns at 13 years old as the main exposure, associations were estimated cross-sectionally (with BMD at the age of 13) and prospectively (with annual BMD variation between 13 and 17 years), using linear regression coefficients adjusted for height, weight, energy intake and, in girls, for menarche age.No significant associations between the a posteriori dietary patterns identified and mean BMD at 13 were found. However, among girls, adherence to a pattern characterized by low intake of energy and all food groups was negatively associated with annual BMD variation between 13 and 17 years [adjusted coefficient (95 % CI) −0.451 (−0.827; −0.074) mg·cm−2·year−1].Although results showed that, in girls, adherence to a “Lower intake” dietary pattern is associated with lower annual BMD variation throughout adolescence, overall, there were no consistent associations between dietary patterns and forearm BMD in adolescents.
Starting Page	273
Ending Page	282
Page Count	10
File Format	PDF
ISSN	14366207
Journal	European Journal of Nutrition
Volume Number	54
Issue Number	2
e-ISSN	14366215
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-05-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dietary patterns Bone density Cohort study Adolescence Nutrition
Content Type	Text
Resource Type	Article
Subject	Nutrition and Dietetics Medicine

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