Table 3.
Multiple logistic regression analysis of factors associated with depression.
| Model 1a | Model 2 | Model 3 | Model 4 | |
|---|---|---|---|---|
| Pseudo R2 | 1.3% | 8.0% | 8.8% | 10.5% |
| ΔPseudo R2 | – | 6.7% | 0.8% | 1.7% |
| Chi-squareb | 30.746 | 192.977 | 212.33 | 230.315 |
| P-value | <0.001 | <0.001 | <0.001 | <0.001 |
| Step 1: Participants' type | ||||
| General medical staff | Reference | Reference | Reference | Reference |
| General public | 1.96 (1.41, 2.72)*** | 1.63 (1.16, 2.29)** | 1.74 (1.23, 2.46)** | 1.70 (1.20, 2.41)** |
| Front-line health care worker | 1.68 (1.08, 2.60)* | 1.60 (1.02, 2.51)* | 1.50 (0.95, 2.37) | 1.50 (0.95, 2.37) |
| CPV | 2.53 (1.71, 3.74)*** | 2.12 (1.41, 3.17)*** | 2.17 (1.44, 3.26)*** | 2.13 (1.42, 3.21)*** |
| Quarantined people | 3.06 (1.88, 4.98)*** | 2.49 (1.50, 4.13)*** | 2.57 (1.54, 4.28)*** | 2.52 (1.51, 4.21)*** |
| Step 2: Demographic | ||||
| Gender | ||||
| Male | – | 1.13 (0.97, 1.33) | 1.13 (0.96, 1.32) | 1.12 (0.96, 1.32) |
| Female | – | Reference | Reference | Reference |
| Age | ||||
| 18–30 | – | 3.90 (2.53, 6.01)*** | 3.77 (2.44, 5.80)*** | 3.69 (2.40, 5.69)*** |
| 31–40 | – | 2.47 (1.62, 3.78)*** | 2.42 (1.58, 3.70)*** | 2.37 (1.55, 3.62)*** |
| 41–50 | – | 1.80 (1.15, 2.80)* | 1.75 (1.12, 2.72)* | 1.73 (1.11, 2.70)* |
| 51–60 | – | 1.46 (0.88, 2.41) | 1.42 (0.86, 2.34) | 1.40 (0.84, 2.31) |
| >60 | Reference | Reference | Reference | |
| Marital status | ||||
| Single/divorced/widowed | – | Reference | Reference | Reference |
| Married | – | 1.09 (0.89, 1.34) | 1.09 (0.89, 1.34) | 1.11 (0.90, 1.36) |
| Education | ||||
| High school or below | – | Reference | Reference | Reference |
| College or above | – | 0.56 (0.50, 0.69)*** | 0.58 (0.49, 0.68)*** | 0.58 (0.49, 0.68)*** |
| Living status | ||||
| Alone | – | Reference | Reference | Reference |
| Live with family member | – | 0.61 (0.48, 0.78)*** | 0.62 (0.49, 0.80)*** | 0.64 (0.50, 0.82)*** |
| Live with friend | – | 0.47 (0.32, 0.68)*** | 0.48 (0.33, 0.70)*** | 0.51 (0.35, 0.74)*** |
| Self-rated health | 1.73 (1.49, 2.02)*** | 1.71 (1.47, 2.00)*** | 1.70 (1.46, 1.98)*** | |
| Step 3: Exposure history | ||||
| Hubei province exposed after December 1, 2019 | ||||
| No | – | – | Reference | Reference |
| Yes | – | – | 1.04 (0.78, 1.39) | 1.02 (0.76, 1.37) |
| Family or close friends engaged in front-line medical work | ||||
| No | – | – | Reference | Reference |
| Yes | – | – | 1.28 (0.98, 1.68) | 1.26 (0.96, 1.66) |
| Confirmed cases nearby | ||||
| No | – | – | Reference | Reference |
| Yes | – | – | 2.37 (1.50, 3.76)*** | 2.38 (1.50, 3.77)*** |
| Step 4: Concern to the epidemic | ||||
| Care the information | ||||
| Non-care | – | – | – | 1.85 (1.37, 2.51)*** |
| Care | – | – | – | Reference |
| Daily attention to the information | ||||
| <1 | – | – | – | Reference |
| 1–3 | – | – | – | 0.96 (0.81, 1.15) |
| >3 | – | – | – | 1.17 (0.92, 1.48) |
a
Model 1–unadjusted; Model 2–adjusted for demographics; Model 3–adjusted for demographics and epidemic-exposure variables; Model 4–adjusted for demographics, epidemic-exposure variables and epidemic-concern variables.
b
Chi-square for changes in −2LnL.
*
p < 0.05;
**
p < 0.01;
***
p < 0.001.