Table 2. Step-by-step multiple logistic regression analyses on relative risks of mental health problems of Wuhan residents, migrants from Wuhan, and other Hubei residents in comparison to other residents.
| Mental health problem | Subpopulation | Step 0* | Step 1** | Step 2*** | |||||
|---|---|---|---|---|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | ||||
| Psychological distress | Wuhan residents | 2.70 (2.41, 3.02) | <0.001 | 2.99 (2.66, 3.36) | <0.001 | 1.97 (1.70, 2.29) | <0.001 | ||
| Migrants from Wuhan | 1.94 (1.66, 2.28) | <0.001 | 2.33 (1.97, 2.94) | <0.001 | 2.04 (1.73, 2.41) | <0.001 | |||
| Other Hubei residents | 1.23 (1.01, 1.50) | 0.037 | 1.47 (1.20, 1.80) | 0.036 | 1.26 (1.02, 1.55) | 0.029 | |||
| Other residents | 1 | 1 | 1 | ||||||
| Anxiety symptoms | Wuhan residents | 2.35 (2.09, 2.65) | <0.001 | 2.59 (2.29, 2.94) | <0.001 | 1.79 (1.52, 2.10) | <0.001 | ||
| Migrants from Wuhan | 1.88 (1.59, 2.22) | <0.001 | 2.16 (1.82, 2.57) | <0.001 | 1.93 (1.62, 2.31) | <0.001 | |||
| Other Hubei residents | 1.23 (0.99, 1.52) | 0.059 | 1.45 (1.17, 1.81) | 0.001 | 1.27 (1.02, 1.59) | 0.036 | |||
| Other residents | 1 | 1 | 1 | ||||||
| Depressive symptoms | Wuhan residents | 2.09 (1.85, 2.36) | <0.001 | 2.32 (2.04, 2.63) | <0.001 | 1.61 (1.37, 1.90) | <0.001 | ||
| Migrants from Wuhan | 1.67 (1.40, 1.99) | <0.001 | 1.75 (1.46, 2.09) | <0.001 | 1.56 (1.30, 1.87) | <0.001 | |||
| Other Hubei residents | 1.12 (0.90, 1.40) | 0.324 | 1.29 (1.03, 1.62) | 0.030 | 1.13 (0.89, 1.42) | 0.311 | |||
| Other residents | 1 | 1 | 1 | ||||||
*, no adjustment of any demographic and the Coronavirus Disease 2019 (COVID-19) epidemic related variables; **, adjusting for demographic variables only; ***, adjusting for demographic and COVID-19 epidemic related variables.