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Alcohol consumption and hip fracture risk
1Department of Clinical Medicine, Shanghai Medical College, Fudan University, Shanghai, China.
Summary
This meta-analysis reveals a nonlinear link between alcohol intake and hip fracture risk. Light drinking may lower risk, while heavy drinking significantly increases it.
Area of Science:
- Epidemiology
- Gerontology
- Orthopedics
Background:
- Conflicting findings exist regarding alcohol consumption and hip fracture risk.
- A comprehensive meta-analysis is needed to clarify this association.
Purpose of the Study:
- To assess the association between alcohol consumption and hip fracture risk.
- To investigate the dose-response relationship between alcohol intake and hip fractures.
Main Methods:
- Meta-analysis of 18 prospective cohort studies.
- Included 3,730,424 participants and 26,168 hip fracture cases.
- Utilized random-effects models to derive pooled relative risks (RR) and 95% confidence intervals (CI).
Main Results:
- A nonlinear relationship between alcohol consumption and hip fracture risk was identified (P nonlinearity=0.003).
- Light alcohol consumption (0.01-12.5 g/day) showed a significant inverse association (RR=0.88, 95% CI, 0.83-0.89).
- Heavy alcohol consumption (≥50 g/day) was associated with an elevated risk (RR=1.71, 95% CI, 1.41-2.01).
Conclusions:
- A nonlinear association between alcohol consumption and hip fracture risk was confirmed.
- Light alcohol intake may be protective against hip fractures.
- Heavy alcohol consumption poses a significant risk for hip fractures.
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