Table 1 Demographics information of men in RPL group and control group
Characteristics | RPL group | Control group | P value |
|---|---|---|---|
(N = 236) | (N = 236) | ||
Age, years | 0.297 | ||
20-29 | 137 (58.1 %) | 142 (60.2 %) | |
30-39 | 63 (26.7 %) | 61 (25.8 %) | |
40-49 | 36 (15.3 %) | 33 (14.0 %) | |
BMI, kg/m2 | 25.32 ± 5.27 | 25.51 ± 5.01 | 0.802 |
Cigarette smoking | 0.424 | ||
Yes | 94 (39.8 %) | 102 (43.2 %) | |
No | 142 (60.2 %) | 134 (56.8 %) | |
Alcohol consumption | |||
Yes | 65 (27.5 %) | 72 (30.5 %) | |
No | 171 (72.5 %) | 164 (69.5 %) | |
Educational status | 0.794 | ||
Primary school | 15 (6.4 %) | 12 (5.0 %) | |
Middle school | 39 (16.5 %) | 42 (17.8 %) | |
High school | 78 (33.1 %) | 83 (35.2 %) | |
University | 104 (44.0 %) | 99 (42.0 %) | |
Monthly income (RMB) | 0.507 | ||
< 3000 | 51 (21.6 %) | 59 (25.0 %) | |
3000-5000 | 79 (33.5 %) | 81 (34.3 %) | |
> 5000 | 106 (44.9 %) | 96 (40.7 %) | |
Length of marriage (year) | 4.43 ± 3.77 (1–19) | 4.81 ± 3.92 (1–21) | 0.213 |
Number of past pregnancy losses | 2.90 ± 0.97 (2–6) | N/A | |
Interval after the latest loss | N/A | ||
< 1 month | 46 (19.49 %) | ||
1-3 months | 122 (51.69 %) | ||
4-6 months | 57 (24.15 %) | ||
> 6 months | 11 (4.66 %) |