Table 1 Association between depression, anxiety and demographic variables
| Â | n (%) | Depressive symptoms | Non-depressive symptoms | p | Anxiety symptoms | Non-anxiety symptoms | p |
|---|---|---|---|---|---|---|---|
n = 265(%) | n = 906(%) | n = 251(%) | n = 920(%) | ||||
Demographic data | |||||||
 Gender (female) | 677(57.8) | 157(59.2) | 520(57.4) | 0.592 | 140(55.8) | 537(58.4) | 0.461 |
Age | |||||||
 18–25 | 336(28.7) | 71(26.8) | 265(29.2) | 0.099 | 56(22.3) | 280(30.4) | 0.075 |
 26–30 | 208(17.8) | 57(21.5) | 151(16.7) |  | 55(21.9) | 153(16.6) |  |
 31–40 | 364(31.1) | 89(33.6) | 275(30.4) |  | 84(33.5) | 280(30.4) |  |
 41–50 | 185(15.8) | 37(14.0) | 148(16.3) |  | 41(16.3) | 144(15.7) |  |
 51 above | 78(6.7) | 11(4.2) | 67(7.4) |  | 15(6.0) | 63(6.8) |  |
Living situation (Shanghai) | 370(31.6) | 82(30.9) | 288(31.8) | 0.795 | 82(32.7) | 288(31.3) | 0.680 |
Household Income | |||||||
 Lowa | 406(34.7) | 113(42.6) | 293(32.3) | 0.004 | 110(43.8) | 296(32.2) | 0.001 |
 Middle | 648(55.3) | 134(50.6) | 514(56.7) |  | 124(49.4) | 524(57.0) |  |
 High | 117(10.0) | 18(6.8) | 99(10.9) |  | 17(6.8) | 100(10.9) |  |
Education | |||||||
 High school | 93(7.9) | 19(7.2) | 74(8.2) | 0.255 | 21(8.4) | 72(7.8) | 0.759 |
 Junior college | 200(17.1) | 58(21.9) | 142(15.7) |  | 46(18.3) | 154(16.7) |  |
 Bachelor | 664(56.7) | 142(53.6) | 522(57.6) |  | 133(53.0) | 531(57.7) |  |
 Master | 156(13.3) | 33(12.5) | 123(13.6) |  | 37(14.7) | 119(12.9) |  |
 Doctor | 58(5.0) | 13(4.9) | 45(5.0) |  | 14(5.6) | 44(4.8) |  |
Marital status | |||||||
 Single | 342(29.2) | 84(31.7) | 258(28.5) | 0.781 | 73(29.1) | 269(29.2) | 0.445 |
 Romantic partner | 133(11.4) | 30(11.3) | 103(11.4) |  | 22(8.8) | 111(12.1) |  |
 Married | 658(56.2) | 143(54.0) | 515(56.8) |  | 149(59.4) | 509(55.3) |  |
 Widow or divorced | 38(3.2) | 8(3.0) | 30(3.3) |  | 7(2.8) | 31(3.4) |  |
 Living alone | 277(23.7) | 92(34.7) | 185(20.4) | < 0.001 | 80(31.9) | 197(21.4) | < 0.001 |
Exercise habits | 382(32.6) | 63(23.8) | 319(35.2) | < 0.001 | 63(25.1) | 319(34.7) | 0.004 |