Table 3 Models used to study the time until the occurrence of the end of the contract including hazard ratio (HR) with a confidence interval of 95% (CI 95%) and descriptive level
Model I | Model II | Model III | Model IV | Model V | Model VI | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
p-value* | HR (CI95%) | p-value* | HR (CI95%) | p-value* | HR (CI95%) | p-value* | HR (CI95%) | p-value* | HR (CI95%) | p-value* | HR (CI95%) | |
Gender | ||||||||||||
Male | 1.00 | 1.00 | ||||||||||
Female | 0.519 | 1.04 (0.92–1.18) | 0.506 | 1.04 (0.92–1.18) | – | – | – | – | – | – | – | – |
Age at initial employment | ||||||||||||
≤ 25 years | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | – | – | |||||
25 --| 30 years | 0.188 | 1.15 (0.94–1.40) | 0.185 | 1.15 (0.94–1.40) | 0.164 | 1.15 (0.94–1.41) | 0.153 | 1.16 (0.95–1.42) | 0.146 | 1.16 (0.95–1.42) | – | – |
≥ 30 years | 0.909 | 0.99 (0.85–1.16) | 0.919 | 0.99 (0.85–1.16) | 0.945 | 0.99 (0.85–1.16) | 0.930 | 0.99 (0.85–1.16) | 0.905 | 0.99 (0.85–1.16) | – | – |
Working hours | ||||||||||||
< 40 h/week | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
40 h/week | < 0.001 | 1.74 (1.42–2.13) | < 0.001 | 1.73 (1.41–2.12) | < 0.001 | 1.72 (1.41–2.10) | < 0.001 | 1.72 (1.40–2.10) | < 0.001 | 1.70 (1.39–2.08) | < 0.001 | 1.71 (1.4–2.09) |
Modality of Unit | ||||||||||||
FSH | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
TCHU | 0.069 | 0.78 (0.60–1.02) | 0.055 | 0.78 (0.60–1.01) | 0.055 | 0.78 (0.60–1.01) | 0.057 | 0.78 (0.60–1.01) | 0.064 | 0.78 (0.61–1.02) | 0.072 | 0.79 (0.61–1.02) |
Initial wage** | ||||||||||||
> 1.052 BGI | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
≤ 1.052 BGI | < 0.001 | 1.89 (1.65–2.17) | < 0.001 | 1.89 (1.65–2.17) | < 0.001 | 1.89 (1.65–2.16) | < 0.001 | 1.89 (1.65–2.16) | < 0.001 | 1.89 (1.65–2.16) | < 0.001 | 1.87 (1.64–2.15) |
Time since graduation (years) | ||||||||||||
> 2 years | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
≤ 2 years | 0.002 | 1.32 (1.11–1.57) | 0.002 | 1.31 (1.11–1.55) | 0.002 | 1.31 (1.11–1.55) | 0.002 | 1.30 (1.10–1.54) | 0.002 | 1.30 (1.1–1.53) | < 0.001 | 1.36 (1.18–1.56) |
City of residence | ||||||||||||
São Paulo | 1.00 | 1.00 | 1.00 | 1.00 | ||||||||
Others | 0.186 | 0.91 (0.78–1.05) | 0.187 | 0.91 (0.78–1.05) | 0.192 | 0.91 (0.78–1.05) | 0.214 | 0.91 (0.79–1.06) | – | – | – | – |
Graduation School | ||||||||||||
Private | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
Public | 0.086 | 1.13 (0.98–1.30) | 0.079 | 1.13 (0.99–1.30) | 0.087 | 1.13 (0.98–1.29) | 0.089 | 1.13 (0.98–1.29) | 0.103 | 1.12 (0.98–1.29) | 0.089 | 1.13 (0.98–1.29) |
Local of Graduation | ||||||||||||
São Paulo | ||||||||||||
Others | 0.432 | 1.07 (0.91–1.26) | 0.427 | 1.07 (0.91–1.26) | 0.426 | 1.07 (0.91–1.26) | – | – | – | – | – | – |
Medical Residency ** | ||||||||||||
No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
Yes | < 0.001 | 1.69 (1.39–2.03) | < 0.001 | 1.69 (1.39–2.03) | < 0.001 | 1.69 (1.39–2.03) | < 0.001 | 1.69 (1.39–2.03) | < 0.001 | 1.69 (1.39–2.03) | < 0.001 | 1.69 (1.40–2.04) |
Specialist*** | ||||||||||||
Non specialist | 1.00 | |||||||||||
Specialist | 0.769 | 0.97 (0.78–1.20) | – | – | – | – | – | – | – | – | – | – |