Factors | Number of studies | OR (95% CI) | Heterogeneity | |
---|---|---|---|---|
I2 (%) | P value | |||
Support from supervisor | 3 | 5.32 (1.77, 15.92)a | 94.3 | < 0.01 |
Condition of working environment | 6 | 9.50 (6.25, 14.44)a | 76.0 | < 0.01 |
Opportunity for professional growth | 3 | 5.53 (1.56, 19.56a | 95.2 | < 0.01 |
Sex | 3 | 2.20 (1.63, 2.97)a | 0 | 0.42 |
Marital status | 3 | 1.07 (0.66, 1.75) | 68.5 | 0.04 |
Educational status | 4 | 1.70 (0.58, 5.00) | 93.7 | < 0.01 |
Staff relationship | 3 | 3.89 (1.65, 9.17)a | 88.1 | < 0.01 |
Age | 3 | 0.73 (0.37, 1.44) | 67.4 | 0.05 |