Table 4

HRs with 95% CI estimated through Cox regression model to control relevant risk factors on mortality among Taiwan doctors from 1990 to 2006

CovariateHR (95% CI)
Age of beginning practice1.12 (1.12 to 1.13)
Gender
 Female/male0.76 (0.56 to 1.02)
Specialty
 Dermatologist/internist1.19 (0.85 to 1.67)
 Otolaryngologist/internist0.85 (0.63 to 1.15)
 Ophthalmologist/internist0.72 (0.53 to 0.98)
 Pathologist/internist0.81 (0.33 to 1.94)
 Paediatrician/internist0.91 (0.69 to 1.20)
 Psychiatrist/internist0.81 (0.52 to 1.24)
 Radiologist/internist0.87 (0.55 to 1.39)
 Surgeon/internist1.23 (1.04 to 1.46)
 Obstetrician/internist1.19 (0.95 to 1.50)
 Orthopedist/internist0.75 (0.44 to 1.27)
 Anaesthesiologists/internist1.97 (1.20 to 3.25)
Region
 Central/northern1.12 (0.97 to 1.29)
 Southern/northern1.30 (1.17 to 1.45)
 Eastern/northern1.68 (1.28 to 2.20)
Doctor–population ratio
 1:700 to 1:500/>1:5001.23 (1.06 to 1.42)
 1:900 to 1:700/>1:5001.20 (1.06 to 1.34)
 <1:900/>1:5001.18 (1.00 to 1.39)
Year of beginning practice
 After 1995/before19956.17 (4.27 to 8.92)