Logistic regression analysis of physicians in high and intermediate areas and factors related to their movement to low physician density areas
1996–2006 cohort | OR | 95% CI | P value | 2006–2016 cohort | OR | 95% CI | P value |
Sex | Sex | ||||||
Male | Reference | Male | Reference | ||||
Female | 0.83 | 0.78 to 0.89 | <0.01 | Female | 0.81 | 0.77 to 0.86 | <0.01 |
Age | Age | ||||||
≤39 | Reference | ≤39 | Reference | ||||
40–54 | 0.61 | 0.58 to 0.64 | <0.01 | 40–54 | 0.63 | 0.60 to 0.66 | <0.01 |
55–69 | 0.62 | 0.57 to 0.67 | <0.01 | 55–69 | 0.63 | 0.59 to 0.68 | <0.01 |
≥70 | 0.37 | 0.30 to 0.45 | <0.01 | ≥70 | 0.34 | 0.28 to 0.42 | <0.01 |
Qualified after age 30 | Qualified after age 30 | ||||||
No | Reference | No | Reference | ||||
Yes | 1.21 | 1.16 to 1.27 | <0.01 | Yes | 1.13 | 1.08 to 1.18 | <0.01 |
Workplace | Workplace | ||||||
Urban | Reference | Urban | Reference | ||||
Intermediate | 0.88 | 0.85 to 0.92 | <0.01 | Intermediate | 0.93 | 0.89 to 0.97 | <0.01 |
Rural | 0.62 | 0.56 to 0.69 | <0.01 | Rural | 0.67 | 0.60 to 0.75 | <0.01 |
Physician density | Physician density | ||||||
High | Reference | High | Reference | ||||
Intermediate | 1.19 | 1.12 to 1.25 | <0.01 | Intermediate | 1.34 | 1.27 to 1.41 | <0.01 |
Type of institution | Type of institution | ||||||
Clinic | Reference | Clinic | Reference | ||||
University hospital | 6.15 | 5.61 to 6.74 | <0.01 | University hospital | 4.87 | 4.47 to 5.30 | <0.01 |
Other hospital | 3.89 | 3.56 to 4.24 | <0.01 | Other hospital | 3.37 | 3.11 to 3.64 | <0.01 |
Others | 4.72 | 4.16 to 5.35 | <0.01 | Others | 3.69 | 3.27 to 4.17 | <0.01 |
Specialty | Specialty | ||||||
Primary care | Reference | Primary care | Reference | ||||
Others | 1.02 | 0.97 to 1.06 | 0.45 | Others | 1.04 | 1.00 to 1.10 | 0.05 |
*Control variables are all based on the start of the time period.