Table 2.
Weighted Descriptive Information on 1st Contraceptive Use after Birth (N = 2,769)
| AMONG ALL NEW MOTHERS, PERCENT USING | |
| Highly effective methods | 23.3% |
| Mean no. of months until use or censoring (std dev) | 1.63 mos (2.53) |
| Effective methodsA | 27.6% |
| Mean no. of months until use or censoring (std dev) | 1.98 mos (2.59) |
| Least effective methodsA,B | 31.5% |
| Mean no. of months until use or censoring (std dev) | 2.76 mos (3.38) |
| No method | 17.7% |
| Mean no. of months until use or censoring (std dev) | 11.09 mos (10.66) |
| WITHIN EACH METHOD CATEGORY, PERCENT USING | |
| Highly effective methods | |
| Sterilization | 46.2% |
| Implant | 10.0% |
| IUD, coil, or loop | 43.8% |
| Effective methods | |
| Emergency contraception | 1.5% |
| Birth control pills | 63.8% |
| Depo-Provera (injectables) | 27.8% |
| Contraceptive patch | 1.3% |
| Diaphragm | 0.4% |
| Vaginal contraceptive ring | 5.3% |
| Least effective methods | |
| Male or female condom | 64.3% |
| Withdrawal | 28.4% |
| Spermicide/inserts | 1.2% |
| “Natural” methods (safe period, calendar, etc.) | 6.1% |
A
Mean number of months between birth and initiation of contraception is significantly longer for effective and least effective methods relative to highly effective methods at p≤.05.
B
Mean number of months between birth and initiation of contraception is significantly longer for least effective methods relative to effective methods at p≤.05.
May not total 100% due to rounding.