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Open AccessArticle

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

1
Department of Intensive Care Medicine, Chi Mei Medical Center, No. 901 Chung-Hwa Road, Yong-Kang district, Tainan 71004, Taiwan
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Department of Public Health, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
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Department of Orthopedics, Chi Mei Medical Center, No. 901 Chung-Hwa Road, Yong-Kang District, Tainan 71004, Taiwan
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Department of Medical Research, Ditmanson Medical Foundation Chia-Yi Christian Hospital, No. 539 Zhongxiao East Rd., East district, Chiayi 60002, Taiwan
5
Department of Public Health, China Medical University, Taichung 40447, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Int. J. Environ. Res. Public Health 2015, 12(2), 2249-2261; https://doi.org/10.3390/ijerph120202249
Received: 9 January 2015 / Revised: 11 February 2015 / Accepted: 13 February 2015 / Published: 16 February 2015
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. View Full-Text
Keywords: epidemiology; physician; exercise; fracture; cohort studies epidemiology; physician; exercise; fracture; cohort studies
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Shen, H.-N.; Lin, W.-T.; Lu, C.-L.; Li, C.-Y. Older Male Physicians Have Lower Risk of Trochanteric but Not Cervical Hip Fractures. Int. J. Environ. Res. Public Health 2015, 12, 2249-2261.

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