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Int. J. Environ. Res. Public Health 2015, 12(2), 2249-2261; doi:10.3390/ijerph120202249

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
2
Department of Public Health, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
3
Department of Orthopedics, Chi Mei Medical Center, No. 901 Chung-Hwa Road, Yong-Kang District, Tainan 71004, Taiwan
4
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
Received: 9 January 2015 / Revised: 11 February 2015 / Accepted: 13 February 2015 / Published: 16 February 2015
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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. View Full-Text
Keywords: epidemiology; physician; exercise; fracture; cohort studies epidemiology; physician; exercise; fracture; cohort studies
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

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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Int. J. Environ. Res. Public Health EISSN 1660-4601 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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