| 2020 | 2021 | Risk ratio a | P value a |
---|
 | n | % | n | % |  |  |
---|
NDS | 8,159 | 97.07 | 6,593 | 97.36 | Ref | - |
MDS | 162 | 1.93 | 111 | 1.64 | 0.850 | 0.216 |
MSDS | 84 | 1.00 | 68 | 1.00 | 0.980 | 0.909 |
- Note: a Pooled multinomial logistic-regression analyses with intake (0 = year 2020, 1 = year 2021) treated as a primary predictor of depression after controlling for other social, physical and lifestyle factors. NDS = No depressive symptom; MDS = Mild depressive symptoms; MSDS = moderate to severe depressive symptoms