Tea drinking is associated with benefits on bone density in older women1-3

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Abstract

Background: Impaired hip structure assessed by dual-energy X-ray absorptiometry (DXA) areal bone mineral density (aBMD) is an independent predictor for osteoporotic hip fracture. Some studies suggest that tea intake may protect against bone loss.Objective: Using both cross-sectional and longitudinal study designs, we examined the relation of tea consumption with hip structure.Design: Randomly selected women (n = 1500) aged 70-85 y participated in a 5-y prospective trial to evaluate whether oral calcium supplements prevent osteoporotic fractures. aBMD at the hip was measured at years I and 5 with DXA. A cross-sectional analysis of 1027 of these women at 5 y assessed the relation of usual tea intake, measured by using a questionnaire, with aBMD. A prospective analysis of 164 women assessed the relation of tea intake at baseline, measured by using a 24-h dietary recall, with change in aBMD from years 1 to 5.Results: In the cross-sectional analysis, total hip aBMD was 2.8% greater in tea drinkers ((x) over bar: 806; 95% CI: 797, 815 mg/cm(2)) than in non-tea drinkers (784; 764, 803 mg/cm(2)) (P < 0.05). In the prospective analysis over 4 y, tea drinkers lost an average of 1.6% of their total hip aBMD (-32; -45, -19 mg/cm(2)), but non-tea drinkers lost 4.0% (-13; -20, -5 mg/cm(2)) (P < 0.05). Adjustment for covariates did not influence the interpretation of results.Conclusion: Tea drinking is associated with preservation of hip structure in elderly women. This finding provides further evidence of the beneficial effects of tea consumption on the skeleton.
Original languageEnglish
Pages (from-to)1243-7
JournalAmerican Journal of Clinical Nutrition
Volume86
Issue number4
Publication statusPublished - 2007

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Tea
Bone Density
Drinking
Hip
Pelvic Bones
Osteoporotic Fractures
Cross-Sectional Studies
Photon Absorptiometry
Hip Fractures
Skeleton
Longitudinal Studies
Calcium
Bone and Bones

Cite this

@article{e9f9a972f2f841cda14b21a1a7620d3a,
title = "Tea drinking is associated with benefits on bone density in older women1-3",
abstract = "Background: Impaired hip structure assessed by dual-energy X-ray absorptiometry (DXA) areal bone mineral density (aBMD) is an independent predictor for osteoporotic hip fracture. Some studies suggest that tea intake may protect against bone loss.Objective: Using both cross-sectional and longitudinal study designs, we examined the relation of tea consumption with hip structure.Design: Randomly selected women (n = 1500) aged 70-85 y participated in a 5-y prospective trial to evaluate whether oral calcium supplements prevent osteoporotic fractures. aBMD at the hip was measured at years I and 5 with DXA. A cross-sectional analysis of 1027 of these women at 5 y assessed the relation of usual tea intake, measured by using a questionnaire, with aBMD. A prospective analysis of 164 women assessed the relation of tea intake at baseline, measured by using a 24-h dietary recall, with change in aBMD from years 1 to 5.Results: In the cross-sectional analysis, total hip aBMD was 2.8{\%} greater in tea drinkers ((x) over bar: 806; 95{\%} CI: 797, 815 mg/cm(2)) than in non-tea drinkers (784; 764, 803 mg/cm(2)) (P < 0.05). In the prospective analysis over 4 y, tea drinkers lost an average of 1.6{\%} of their total hip aBMD (-32; -45, -19 mg/cm(2)), but non-tea drinkers lost 4.0{\%} (-13; -20, -5 mg/cm(2)) (P < 0.05). Adjustment for covariates did not influence the interpretation of results.Conclusion: Tea drinking is associated with preservation of hip structure in elderly women. This finding provides further evidence of the beneficial effects of tea consumption on the skeleton.",
author = "A. Devine and Jonathan Hodgson and Ian Dick and Richard Prince",
year = "2007",
language = "English",
volume = "86",
pages = "1243--7",
journal = "The American Journal of Clinical Nutrition",
issn = "0002-9165",
publisher = "American Society for Nutrition",
number = "4",

}

TY - JOUR

T1 - Tea drinking is associated with benefits on bone density in older women1-3

AU - Devine, A.

AU - Hodgson, Jonathan

AU - Dick, Ian

AU - Prince, Richard

PY - 2007

Y1 - 2007

N2 - Background: Impaired hip structure assessed by dual-energy X-ray absorptiometry (DXA) areal bone mineral density (aBMD) is an independent predictor for osteoporotic hip fracture. Some studies suggest that tea intake may protect against bone loss.Objective: Using both cross-sectional and longitudinal study designs, we examined the relation of tea consumption with hip structure.Design: Randomly selected women (n = 1500) aged 70-85 y participated in a 5-y prospective trial to evaluate whether oral calcium supplements prevent osteoporotic fractures. aBMD at the hip was measured at years I and 5 with DXA. A cross-sectional analysis of 1027 of these women at 5 y assessed the relation of usual tea intake, measured by using a questionnaire, with aBMD. A prospective analysis of 164 women assessed the relation of tea intake at baseline, measured by using a 24-h dietary recall, with change in aBMD from years 1 to 5.Results: In the cross-sectional analysis, total hip aBMD was 2.8% greater in tea drinkers ((x) over bar: 806; 95% CI: 797, 815 mg/cm(2)) than in non-tea drinkers (784; 764, 803 mg/cm(2)) (P < 0.05). In the prospective analysis over 4 y, tea drinkers lost an average of 1.6% of their total hip aBMD (-32; -45, -19 mg/cm(2)), but non-tea drinkers lost 4.0% (-13; -20, -5 mg/cm(2)) (P < 0.05). Adjustment for covariates did not influence the interpretation of results.Conclusion: Tea drinking is associated with preservation of hip structure in elderly women. This finding provides further evidence of the beneficial effects of tea consumption on the skeleton.

AB - Background: Impaired hip structure assessed by dual-energy X-ray absorptiometry (DXA) areal bone mineral density (aBMD) is an independent predictor for osteoporotic hip fracture. Some studies suggest that tea intake may protect against bone loss.Objective: Using both cross-sectional and longitudinal study designs, we examined the relation of tea consumption with hip structure.Design: Randomly selected women (n = 1500) aged 70-85 y participated in a 5-y prospective trial to evaluate whether oral calcium supplements prevent osteoporotic fractures. aBMD at the hip was measured at years I and 5 with DXA. A cross-sectional analysis of 1027 of these women at 5 y assessed the relation of usual tea intake, measured by using a questionnaire, with aBMD. A prospective analysis of 164 women assessed the relation of tea intake at baseline, measured by using a 24-h dietary recall, with change in aBMD from years 1 to 5.Results: In the cross-sectional analysis, total hip aBMD was 2.8% greater in tea drinkers ((x) over bar: 806; 95% CI: 797, 815 mg/cm(2)) than in non-tea drinkers (784; 764, 803 mg/cm(2)) (P < 0.05). In the prospective analysis over 4 y, tea drinkers lost an average of 1.6% of their total hip aBMD (-32; -45, -19 mg/cm(2)), but non-tea drinkers lost 4.0% (-13; -20, -5 mg/cm(2)) (P < 0.05). Adjustment for covariates did not influence the interpretation of results.Conclusion: Tea drinking is associated with preservation of hip structure in elderly women. This finding provides further evidence of the beneficial effects of tea consumption on the skeleton.

M3 - Article

VL - 86

SP - 1243

EP - 1247

JO - The American Journal of Clinical Nutrition

JF - The American Journal of Clinical Nutrition

SN - 0002-9165

IS - 4

ER -