Table 3 TTP reliability by important socio-demographic variables
From: Time-to-pregnancy and pregnancy outcomes in a South African population
| Determinant | Unadjusted odds ratio | 95% CI |
|---|---|---|
| Race | ||
| White | 1 | |
| Black | 2.33 | 0.34, 16.18 |
| Current age (years) | 0.92 | 0.76, 1.11 |
| Age at pregnancy attempt (years) | 0.69 | 0.48, 1.01 |
| Ever smoked | ||
| No | 1 | |
| Yes | 1.78 | 0.13, 23.52 |
| Smoked at pregnancy attempt | ||
| No | 1 | |
| Yes | 3 | 0.25, 35.33 |
| Alcohol at pregnancy attempt | ||
| No | 1 | |
| Yes | 1.67 | 0.27, 10.33 |
| Education at pregnancy attempt | ||
| Less than High School | 1 | |
| High School or More | 0.67 | 0.11, 3.92 |
| Currently working | ||
| No | 1 | |
| Yes | 0.96 | 0.16, 5.64 |
| Pregnancy outcomes | ||
| Live births | 1 | |
| Pregnancy loss | 1.56 | 0.12, 20.85 |
| Period of recall | ||
| <= 5 years | 1 | |
| > 5 years | 21.33 | 1.8, 251.26 |
| Chronic disease at attempt | ||
| No | 1 | |
| Yes | 1.78 | 0.13, 23.52 |
