|
Stage 1 (b)
|
Stage 2 (b)
|
Stage 3 (b)
|
Unsure
|
---|
Birth Control Methods
|
Percentage Responding (a)
|
---|
Abstinence
|
82.0 (79.0,85.0)
|
11.2 (8.7,13.7)
|
5.5 (3.7,7.3)
|
9.1 (6.8,11.4)
|
Condoms
|
86.3 (83.6,89.0)
|
2.8 (1.5,4.1)
|
1.9 (0.8,3.0)
|
7.8 (5.7,9.9)
|
Sterilization
|
75.6 (77.2,79.0)
|
7.8 (5.7,9.9)
|
5.5 (3.7,7.3)
|
15.7 (12.8,18.6)
|
Abortion
|
6.2 (4.3, 8.1)
|
14.7 (11.9,17.5)
|
83.7 (80.8,86.7)
|
8.4 (6.2,10.6)
|
RU-486
|
4.7 (3.0,6.4)
|
20.4 (17.2,23.6)
|
54.5 (50.6,58.4)
|
33.3 (29.6,37.0)
|
Oral Contraceptives
|
70.2 (66.6,73.8)
|
22.3 (19.0,25.6)
|
3.6 (2.1,5.1)
|
18.5 (15.4,21.6)
|
Progestin-only pills
|
27.4 (23.9,30.9)
|
13.9 (11.2,16.6)
|
1.8 (0.8,2.8)
|
57.3 (53.4,61.2)
|
Intrauterine Devices
|
39.5 (35.6–43.4)
|
20.2 (17.0–23.4)
|
6.0 (4.1–17.9)
|
41.1 (37.2–45.0)
|
Depo-Provera
|
54.9 (51.0,58.8)
|
9.1 (6.8,11.4)
|
2.4 (1.2, 3.6)
|
35.1 (31.3,38.9)
|
Emergency Contraception
|
11.8 (9.3,14.3)
|
56.6 (52.7,60.5)
|
18.1 (15.1,21.1)
|
26.9 (23.4,30.4)
|
Natural Family Planning
|
59.1 (55.2,63.0)
|
8.3 (6.1,10.5)
|
7.8 (5.7,9.9)
|
30.9 (27.3,34.5)
|
- (a) Percentages do not add to 100% due to the selection of more than one stage as a response, missing responses and rounding. Parentheses include 95% confidence interval limits.
- (b) Stage 1 – Before fertilization – before the uniting of the sperm and the egg; Stage 2 – After fertilization but before implantation; Stage 3 – After implantation in the uterus.