Table 5

Twelve-month cumulative probabilities of contraceptive failure, abandonment and switching according to selected episode-level and woman-level variables.


Failure
Abandonment
Switching
Continuation

Method




Pill
0.0647
0.1341
0.1607
0.6404
Condoms
0.0910
0.0750
0.3761
0.4578
Injections
0.0702
0.1694
0.3881
0.3722
Traditional methods
0.2272
0.0373
0.2962
0.4394
Contraceptive intention




Spacing
0.0724
0.0912
0.2364
0.6000
Limiting
0.0979
0.1123
0.2020
0.5877
Region




North
0.0661
0.1696
0.2293
0.5349
Northeast
0.0965
0.1642
0.2764
0.4628
Southeast
0.0868
0.0782
0.2129
0.6221
South
0.0721
0.0536
0.1428
0.7314
Centre-West
0.0901
0.1014
0.1724
0.6360
Age




≤ 19
0.1112
0.1129
0.2270
0.5489
20–24
0.1006
0.0923
0.2067
0.6004
25–29
0.0802
0.0869
0.2230
0.6100
30–34
0.0843
0.1204
0.2283
0.5694
35+
0.0449
0.1476
0.1822
0.6253
Marital status




Married/living together
0.0957
0.1027
0.2273
0.5743
Other
0.0650
0.1049
0.1831
0.6471
N° of living children




0
0.0928
0.1352
0.2464
0.5255
1
0.0755
0.1023
0.2235
0.5987
2
0.0847
0.0911
0.1956
0.6286
3+
0.1075
0.0782
0.1771
0.6372
Ethnicity




White
0.0767
0.0951
0.2494
0.5789
Other
0.0960
0.1106
0.1902
0.6032
Years of schooling




0–3
0.1022
0.1644
0.1772
0.5562
4–8
0.0951
0.1144
0.2208
0.5696
9–11
0.0742
0.0774
0.2177
0.6308
12+
0.0587
0.0549
0.2550
0.6314
Mass media exposure




Watches TV regularly
0.0865
0.0985
0.2214
0.5937
Does not watch TV
0.0895
0.1820
0.1527
0.5757
Global
0.0869
0.1034
0.2155
0.5942

Source: 1996 Demographic and Health Survey (N = 6027 episodes of use).

Note: Episodes of use of reversible contraceptive methods that began before the five-year calendar period or of sterilization use are not included.

Leite and Gupta Reproductive Health 2007 4:6   doi:10.1186/1742-4755-4-6