Between-individuals effects | N (%) |
Age (years) | 34.79 ± 6.59 |
Gender | |
Male | 900 (50.00) |
Female | 900 (50.00) |
Ethnicity | |
Han Chinese | 1754 (97.66) |
Others | 42 (2.34) |
Education | |
Junior or below | 94 (5.25) |
High school | 284 (15.85) |
Three-year college | 554 (30.91) |
Bachelor degree or above | 860 (47.99) |
Occupation | |
Unemployed or self-employed | 312 (17.33) |
Workers/salespeople | 378 (21.01) |
Education, health and civil staff | 915 (50.83) |
Others | 195 (10.83) |
Between-groups effects | N (%) |
Residence | |
Beijing | 600 (33.33) |
Chongqing | 600 (33.33) |
Shanghai | 600 (33.34) |
Number of children | |
0 | 396 (22.32) |
1 | 1280 (72.15) |
≥ 2 | 98 (5.52) |
Time being together | |
Less than 1 year | 188 (10.48) |
1–3 years | 316 (17.61) |
Longer than 3 year | 1290 (71.91) |
Marital status | |
Married and live together | 1672 (93.30) |
Married but do not live together | 38 (2.12) |
Unmarried and do not live together | 38 (2.12) |
Unmarried but live together | 44 (2.46) |
Contraception in the last month | |
No use | 36 (2.00) |
Intrauterine device | 258 (14.33) |
Oral contraceptive | 444 (24.67) |
Male Condom | 972 (54.00) |
Others | 90 (5.00) |