Table 6 Multiple Cox regression of discontinuation occurring because of pregnancy
From: Efficacy of a combined contraceptive regimen consisting of condoms and emergency contraception pills
Variable | Reference Group | Comparative Group | β | SE | Wald χ2 | p | RR | RR(95%CI) |
|---|---|---|---|---|---|---|---|---|
Husband age | <30 | 30 ~ 34 | -0.2078 | 0.0608 | 10.19 | 0.0014 | 0.812 | 0.921 ~ 0.915 |
≥35 | -0.2681 | 0.0719 | 13.90 | 0.0002 | 0.765 | 0.409 ~ 0.881 | ||
Occupation | Medical staff | TST* | 0.0987 | 0.1093 | 0.82 | 0.3665 | 1.100 | 0.891 ~ 1.367 |
Official | 0.1257 | 0.1124 | 1.25 | 0.2633 | 1.130 | 0.910 ~ 1.413 | ||
Factory worker | 0.2350 | 0.0942 | 6.23 | 0.0125 | 1.265 | 1.052 ~ 1.521 | ||
Others** | 0.2115 | 0.0994 | 4.53 | 0.0333 | 1.236 | 1.017 ~ 1.051 | ||
No. of contra. used | 0.1569 | 0.0435 | 13.01 | 0.0003 | 1.170 | 1.074 ~ 1.274 |