Table 2.
Probability of method-related discontinuation of contraceptive use at 6 and 12 months of use, by method; uncorrected and corrected for abortion underreporting
| Method | Uncorrected |
||||
|---|---|---|---|---|---|
| Six months | Twelve months | ||||
| Na | % | 95% CI | % | 95% CI | |
| Injectable | 716 | 26.0 | (22.5,29.9) | 44.6 | (40.1,49.1) |
| Pill | 2,543 | 19.2 | (17.5,21.0) | 31.9 | (29.6,34.3) |
| Male condom | 3,847 | 40.6 | (38.4,42.9) | 55.2 | (52.4,57.9) |
| Withdrawal | 848 | 39.0 | (34.8,43.5) | 54.4 | (49.3,59.4) |
| Fertility-awareness | 236 | 40.1 | (32.2,48.7) | 51.8 | (41.9,61.5) |
| All methods | 9,038 | 32.8 | (31.5,34.0) | 46.3 | (44.8,47.8) |
| Abandonment of all method useb |
6,662 | 15.3 | (14.2,16.5) | 23.1 | (21.6,24.7) |
| Method |
Corrected |
||||
| Six months | Twelve months | ||||
| Na | % | 95% CI | 95% CI | ||
| Injectable | 716 | 25.4 | (21.9 - 29.2) | 44.0 | (39.5 - 48.6) |
| Pill | 2,543 | 19.5 | (17.8 - 21.4) | 32.7 | (30.4 - 35.0) |
| Male condom | 3,847 | 41.3 | (39.1 - 43.6) | 57.1 | (54.4 - 59.7) |
| Withdrawal | 848 | 38.0 | (33.7 - 42.4) | 54.2 | (49.1 - 59.2) |
| Fertility-awareness | 236 | 40.3 | (32.3 - 48.8) | 53.2 | (43.5 - 62.7) |
| All methods | 9,038 | 32.9 | (31.7 - 34.1) | 47.1 | (45.6 - 48.6) |
| Abandonment of all method useb |
6,662 | 15.8 | (14.7 - 17.1) | 24.6 | (23.0 - 26.2) |
a
Number of segments.
b
Segments ending in a method switch are treated as continuous spells of use.