Coffee intake and risk of hip fracture in women in northern Italy.
BACKGROUND: Information on a possible relation between coffee, caffeine, and other methylxanthine-containing beverages and hip fracture is relatively scanty and controversial. We present here the results of a case-control study conducted in northern Italy. METHODS: A total of 279 cases of hip fracture and 1,061 controls in hospital for acute, nonneoplastic nontraumatic, non-hormone-related diseases were interviewed during their hospital stay. Odds ratios (OR) and their 95% confidence intervals (CI) according to consumption of coffee and other methylxanthine-containing beverages were derived from multiple logistic regression equations including terms for age, education, body mass index, smoking status, alcohol drinking, calcium intake, menopausal status, and estrogen replacement therapy. RESULTS: Compared with nondrinkers, the OR was 1.2 (95% CI, 0.8 to 1.7) for coffee drinkers. No association emerged with number of cups/day (OR = 1.2 for 1 cup/day, 1.0 for 2, 1.4 for 3 and 4, and 1.2 for 5 or more cups/day) or with duration of coffee intake (OR = 1.0 for less than 30 years and OR = 1.1 for more than 30 years). Similarly, no statistically significant association was observed with decaffeinated coffee (OR = 1.3), tea (OR = 1.3), or cola intake (OR = 0.6). OR for coffee drinking were computed across strata of age, menopausal status, education, smoking status, total alcohol drinking, and calcium intake. CONCLUSIONS: The present study found no association between hip fractures among women and consumption of regular or decaffeinated coffee, tea, and cola.[1]References
- Coffee intake and risk of hip fracture in women in northern Italy. Tavani, A., Negri, E., La Vecchia, C. Preventive medicine. (1995) [Pubmed]
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