Table 5.
Characteristics | Unadjusted HR (95% CI) | P-value | Adjusted HR (95% CI) | P-value |
---|---|---|---|---|
Province | ||||
Sindh | 1 | 1 | ||
Punjab | 1.42 (0.99–2.04) | 0.056 | 1.84 (1.21–2.81) | 0.005 |
Age distribution (years) | ||||
≤25 | 1 | 1 | ||
>25–35 | 2.62 (1.37–5.02) | 0.004 | 4.83 (2.32–10.07) | <0.001 |
>35–49 | 1.39 (0.58–3.35) | 0.458 | 2.96 (1.09–8.08) | 0.034 |
Education level | ||||
No formal education | 1 | 1 | ||
Primary | 0.93 (0.62–1.41) | 0.744 | 0.81 (0.53–1.23) | 0.323 |
Secondary | 1.30 (0.78–2.15) | 0.315 | 1.33 (0.77–2.31) | 0.310 |
Intermediate and post-secondary | 1.63 (0.71–3.78) | 0.252 | 2.06 (0.85–4.99) | 0.117 |
Number of live children | ||||
1–2 | 1 | 1 | ||
3–4 | 0.93 (0.57–1.52) | 0.785 | 0.62 (0.36–1.06) | 0.078 |
5+ | 1.12 (0.70–1.82) | 0.646 | 0.65 (0.37–1.12) | 0.117 |
Type of IUD | ||||
Multi-load | 1 | 1 | ||
Copper-T | 1.27 (0.78–2.04) | 0.335 | 1.48 (0.88–2.49) | 0.138 |
Contraception use before IUD insertion | ||||
Using a contraceptive method | 1 | 1 | ||
Not using any method | 1.43 (1.00–2.06) | 0.050 | 2.41 (1.63–3.55) | <0.001 |
Experienced side effects post-IUD insertion | ||||
No | 1 | 1 | ||
Yes | 7.22 (4.66–11.21) | <0.001 | 9.78 (6.21–15.38) | <0.001 |
Reason for choosing IUD (most influential) | ||||
Suggested by someone | 1 | 1 | ||
Self-perceived | 0.88 (0.55–1.39) | 0.794 | 0.94 (0.58–1.52) | 0.794 |
Abbreviations: CI, confidence interval; HR, hazards ratio; IUD, intrauterine device.