Table 1.
Basic characteristics of participants in the China Health and Retirement Longitudinal Study (CHARLS) wave 4.
| Characteristicsa | Total (n = 13,978) | Non-depression symptoms (n = 8,992) | Depression symptoms (4,986) | P-value |
|---|---|---|---|---|
| Age, years | 60.48 ± 18.82 | 60.15 ± 9.01 | 61.08 ± 29.09 | 0.427 |
| Satisfaction | ||||
| Life satisfaction | 3.28 ± 0.77 | 3.45 ± 0.67 | 2.97 ± 0.84 | <0.001 |
| Health satisfaction | 2.97 ± 0.90 | 3.19 ± 0.79 | 2.58 ± 0.95 | <0.001 |
| Marital satisfaction | 3.43 ± 0.81 | 3.56 ± 0.73 | 3.19 ± 0.90 | <0.001 |
| Children's relationship satisfaction | 3.64 ± 0.71 | 3.72 ± 0.67 | 3.50 ± 0.76 | <0.001 |
| Air quality satisfaction | 3.16 ± 0.82 | 3.21 ± 0.80 | 3.07 ± 0.85 | 0.014 |
| Gender | <0.001 | |||
| Male | 7012 (50.2) | 4989(55.48) | 2023(40.57) | |
| Female | 6966 (49.8) | 4003(44.52) | 2963(59.43) | |
| Residence | <0.001 | |||
| Rural | 8328(59.6) | 4965(55.22) | 3363(67.45) | |
| Urban | 5650(40.4) | 4027(44.78) | 1623(32.55) | |
| Educational level | <0.001 | |||
| Elementary school or below | 8554(61.2) | 4994(55.54) | 3560(71.40) | |
| Middle, High, Vocational school and Associate degree | 5312(38.0) | 3901(43.38) | 1411(28.30) | |
| College and Above | 112(0.8) | 97(1.08) | 15(0.30) | |
| Marital status | <0.001 | |||
| Married and living with spouse | 12442(89.0) | 8118(90.28) | 4324(86.72) | |
| Married but living without spouse | 996(7.1) | 582(6.47) | 414(8.30) | |
| Single, divorced, and windowed | 540(3.9) | 292(3.25) | 248(4.97) | |
| Smoking Statusb | <0.001 | |||
| Non-smoker | 7833(93.5) | 4783(92.93) | 3050(94.43) | |
| Smoker | 544(6.5) | 364(7.07) | 180(5.57) | |
| Drinking statusb | <0.001 | |||
| Non-drinker | 8849(63.3) | 5358(59.64) | 3491(70.13) | |
| Drinker | 5113(36.6) | 3626(40.36) | 1487(29.87) | |
| Regional categories | <0.001 | |||
| East | 5059(36.2) | 3635(40.42) | 1424(28.56) | |
| Midland | 5418(38.8) | 3410(37.92) | 2008(40.27) | |
| West | 3501(25.0) | 1947(21.65) | 1554(31.17) |
a For continuous variables, numbers represent the mean ± standard deviation and for categorical variables, numbers represent count (percentage). b For variables, missing values existed. P-values represented the difference test between non-depression symptoms group and depression symptoms group.