Table 3 Adjusted odds ratio estimates and 95% confidence interval from logistic regression analyses
Characteristic (reference group) a | Hormonal IUD versus Copper IUD (n = 314) | Hormonal IUD versus Implant (n = 431) |
|---|---|---|
Variables | OR (95% CI) | OR (95% CI) |
Age | 0.96 (0.91–1.01) | 1.06 (1.01–1.11) |
Currently married | 0.85 (0.40–1.83) | 1.79 (0.91–3.54) |
Completed secondary school | 0.86 (0.50–1.48) | 1.49 (0.91–2.44) |
Wealth categories (lowest) | ||
Middle | 0.83 (0.44–1.57) | 1.07 (0.62–1.87) |
Upper | 0.84 (0.42–1.65) | 1.88 (1.02–3.48) |
Full-time or self-employed | 2.38 (1.37–4.16) | 1.93 (1.18–3.17) |
Parity | 1.01 (0.82–1.26) | 1.09 (0.89–1.34) |
Fertility intentions (no/no more children) | ||
Undecided about having more children | 0.93 (0.48–1.81) | 0.86 (0.45–1.65) |
More children, in > 2 years | 1.26 (0.58–2.75) | 0.67 (0.34–1.34) |
More children, within 2 years or undecided timing | 1.16 (0.44–3.06) | 0.86 (0.38–1.94) |
Prior use of any IUD or IUD | 0.67 (0.35–1.30) | 0.62 (0.32–1.20) |
Prior experience of increased bleeding | 0.60 (0.33–1.08) | 0.74 (0.44–1.24) |
Prior experience of reduced bleeding or amenorrhea | 0.84 (0.50–1.41) | 0.97 (0.59–1.60) |
Prior experience of bleeding disturbances | 1.42 (0.77–2.64) | 1.11 (0.63–1.95) |
Partner aware of method use | 0.60 (0.29–1.22) | 0.35 (0.18–0.68) |