Table 7 Chi-square analysis of factors affecting depression (N = 21,484)
From: Factors affecting the evolution of Chinese elderly depression: a cross-sectional study
Variable | Depression (N = 8794) | No depression (N = 12,690) | χ2 | P value |
|---|---|---|---|---|
Area |  |  | 367.934 | < 0.001 |
 East | 2261(25.7) | 4677(36.9) |  |  |
 Middle | 3026(34.4) | 4275(33.7) |  |  |
 Western | 3507(39.9) | 3738(29.4) |  |  |
Gender |  |  | 310.415 | < 0.001 |
 Male | 3402(38.7) | 6455(50.9) |  |  |
 Female | 5392(61.3) | 6235(49.1) |  |  |
Age |  |  | 22.945 | < 0.001 |
 60 ~ 69 | 5597(63.6) | 5597(60.5) |  |  |
 70 ~ 79 | 2600(29.6) | 2600(31.7) |  |  |
 ≥ 80 | 597(6.8) | 597(7.8) |  |  |
Marriage |  |  | 78.831 | < 0.001 |
 Married | 6708(76.3) | 10,314(81.3) |  |  |
 Unmarried | 2086(23.7) | 2376(18.7) |  |  |
Education |  |  | 277.119 | < 0.001 |
 Illiterate or Primary school | 7505(85.3) | 9667(76.2) |  |  |
 Middle school | 1024(11.6) | 2298(18.1) |  |  |
 High school or above | 265(3.1) | 725(5.7) |  |  |
Residence |  |  | 335.538 | < 0.001 |
 Rural | 7225(82.2) | 9043(71.3) |  |  |
 City/town | 1569(17.8) | 3647(28.7) |  |  |
Individual income |  |  | 287.474 | < 0.001 |
 < 10,000 | 6637(75.5) | 8603(67.8) |  |  |
 10,000 ~ 20,000 | 1406(16.0) | 2004(15.8) |  |  |
 ≥ 20,000 | 751(8.5) | 2083(16.4) |  |  |
Social activity |  |  | 128.555 | < 0.001 |
 Yes | 3970(45.1) | 6727(53.0) |  |  |
 No | 4824(54.9) | 5963(47.0) |  |  |
Nighttime sleep |  |  | 537.118 | < 0.001 |
 < 7 h | 6078(69.1) | 6770(53.3) |  |  |
 ≥ 7 h | 2716(30.9) | 5920(46.7) |  |  |
ADL disability |  |  | 398.793 | < 0.001 |
 Yes | 1275(14.5) | 801(6.3) |  |  |
 No | 7519(85.5) | 11,889(93.7) |  |  |
Self-reported heath | Â | Â | Â | Â |
 Good | 575(6.5) | 2141(16.9) | 1109.081 | < 0.001 |
 General | 2587(29.4) | 5187(40.9) |  |  |
 Poor | 5632(64.1) | 5262(42.2) |  |  |
Chronic disease |  |  | 129.559 | < 0.001 |
 0 | 2172(24.7) | 4043(31.9) |  |  |
 ≥ 1 | 6622(75.3) | 8647(68.1) |  |  |