Skip to main content

Table 2 Personal Belief about Stages at which Birth Control Methods May Act (n = 618)

From: Women and postfertilization effects of birth control: consistency of beliefs, intentions and reported use

 

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)

  1. (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.
  2. (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.