Table 2 Univariate analysis of the association between sociodemographic characteristics and antenatal depression
|  | Second trimester depressive group (N = 93) | Third trimester depressive group (N = 96) | persistent depressive group (N = 107) |
|---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Age | 0.938 (0.883,0.996) b | 0.925 (0.871,0.982) b | 0.944 (0.892,0.998) b |
Educational level | 1.073 (0.619,1.860) | 0.795 (0.489,1.294) | 0.608 (0.393,0.940) b |
Family income per capita | 1.045 (0.861,1.268) | 0.913 (0.764,1.091) | 0.915 (0.772,1.085) |
Size of residence | 0.832 (0.593,1.166) | 0.859 (0.617,1.195) | 0.848 (0.618,1.164) |
Years of living in Chengdu | |||
 ≤ 5 years | 1.322 (0.745,2.347) | 1.062 (0.609,1.852) | 1.349 (0.783,2.324) |
 6–10 years | 1.190 (0.668,2.120) | 1.212 (0.713,2.061) | 1.299 (0.757,2.228) |
 11–20 years | 1.070 (0.526,2.175) | 0.411 (0.166,1.019) | 1.029 (0.520,2.036) |
 > 20 years a |  |  |  |
Employment | |||
 Part-time | 1.275 (0.394,4.119) | 1.275 (0.394,4.119) | 0.181 (0.023,1.388) |
 Full time | 1.008 (0.575,1.769) | 1.050 (0.600,1.839) | 0.603 (0.379,0.959) b |
 Unemployed a |  |  |  |
Types of residence | |||
 Have property rights | 0.875 (0.476,1.608) | 1.086 (0.571,2.065) | 0.951 (0.529,1.712) |
 No property rights a |  |  |  |