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Public Health Nutr. 2014 Feb;17(2):383-9. doi: 10.1017/S1368980012005307. Epub 2012 Dec 10.

Calcium intake and osteoporosis: the influence of calcium intake from dairy products on hip bone mineral density and fracture incidence - a population-based study in women over 55 years of age.

Author information

  • 11 Department of Dietetics, Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska Street, 02-776 Warsaw, Poland.
  • 22 Chair of Nutritional Physiology, Department of Dietetics, Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences, Warsaw, Poland.
  • 33 Department and Clinic of Pediatrics, Medical University of Silesia, Katowice, Poland.
  • 44 Department of Nephrology, Regional Hospital in Racibórz, Racibórz, Poland.
  • 55 Department and Clinic of Internal Diseases, Diabetology and Nephrology, Medical University of Silesia, Katowice, Poland.
  • 66 Department of Pathomorphology, Medical University of Silesia, Katowice, Poland.
  • 77 Metabolic Bone Diseases Unit, Department and Clinic of Internal Diseases, Diabetology and Nephrology, Medical University of Silesia, Katowice, Poland.

Abstract

OBJECTIVE:

The incidence of osteoporosis increases with age and is most frequently observed in postmenopausal women. The objective of the present population-based cohort study was to assess the influence of Ca intake from dairy sources on hip bone mineral density and hip fracture incidence in a group of Polish women over 55 years of age.

DESIGN:

The main outcome measures included: bone mineral density, the number of previous fractures and the reported Ca intake from dairy sources, assessed by a diet questionnaire.

SETTING:

The RAC-OST-POL Study was conducted in the District of Raciborz in the south of Poland.

SUBJECTS:

The study was carried out in a group of 625 women, randomly recruited from the general population of women aged >55 years.

RESULTS:

Median Ca intake from dairy products was lower in the group of women with femoral neck T-score ≤-2·5 than in the group with T-score >-2·5 (275 v. 383 mg/d; P = 0·0019). For total hip score, the difference was close to borderline significance (P = 0·0698). Median Ca intake from dairy products was lower in the group of women with previous fractures than in those without fracture history (336 v. 395 mg/d; P = 0·0254). The main dairy source of Ca in the analysed group included milk drinks, rennet cheese and milk.

CONCLUSIONS:

Higher dairy Ca intake is recommended, since a number of the women analysed were unable to satisfy their Ca requirement exclusively from their diet.

[PubMed - indexed for MEDLINE]
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