Older Male Physicians Have Lower Risk of Trochanteric but Not Cervical Hip Fractures

Hsiu-Nien Shen, Wei-Ting Lin, Chin-Li Lu and Chung-Yi Li
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Hsiu-Nien Shen: Department of Intensive Care Medicine, Chi Mei Medical Center, No. 901 Chung-Hwa Road, Yong-Kang district, Tainan 71004, Taiwan
Wei-Ting Lin: Department of Orthopedics, Chi Mei Medical Center, No. 901 Chung-Hwa Road, Yong-Kang District, Tainan 71004, Taiwan
Chin-Li Lu: Department of Public Health, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
Chung-Yi Li: Department of Public Health, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan

IJERPH, 2015, vol. 12, issue 2, 1-13

Abstract: Background : Osteoporosis is pathophysiologically related to trochanteric fractures, and this condition is more preventable by lifestyle modifications than cervical fractures. We investigated whether older physicians, who are health-conscious people, are at a lower risk of hip fractures because of fewer trochanteric fractures. Methods : Data regarding older (?65 years) physicians ( n = 4303) and matched non-medical persons (control) were retrieved from Taiwan’s National Health Insurance claims. All of the subjects were obtained from NHIRD with index dates from 1 January 2000 to 31 December 2008. Cox proportional hazard and competing risk regression models were established to estimate the hazard ratio (HR) of hip fracture associated with older physicians. Results : The incidence rates of trochanteric fractures were lower in older physicians than in controls (1.73 and 3.07 per 1000 person-years, respectively), whereas the rates of cervical fractures were similar between the two groups (2.45 and 2.12 per 1000 person-years, respectively). Older physicians yielded 46% lower hazard of trochanteric fractures than controls (adjusted HR 0.54, 95% confidence interval 0.37–0.79); by contrast, hazards of cervical fractures were comparable between the two groups. The HRs estimated from the competing risk models remained unchanged. Conclusions : Our findings indicated that health risk awareness may pose a significant preventive effect on trochanteric hip fractures.

Keywords: epidemiology; physician; exercise; fracture; cohort studies (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2015
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