Table 3 Intention-to-treat comparisons of the primary and secondary outcomes between the combined intervention group and usual care control, and between the two intervention groups (SCC1 vs. SCC2), with and without covariate adjustment
Overall | SCC1 | SCC2 | Sig. test(unadjusted) | Intervention effect(covariate adjusted) | Intervention(SCC1/SCC2) | Usual care control | Sig. test(unadjusted) | Intervention effect(covariate adjusted) |
|---|---|---|---|---|---|---|---|---|
n (%) | n (%) | Chi-sq | OR (95% CI) | n (%) | n (%) | Chi-sq | OR (95% CI) | |
Among all participants in the sample (n=389) | ||||||||
n | 129 | 130 | 259 | 130 | ||||
Primary outcome: Used SCM accurately if tryingto conceive or modern contraception if not tryingto conceive | 35 (27.1%) | 19 (14.6%) | 0.013 | 4.50** (1.44-14.01) | 54 (20.8%) | 9 (6.9%) | <0.001 | 10.63** (2.79-40.49) |
Secondary outcomes: Used SCM accurately iftrying to conceive or any contraception(incl condoms) if not trying to conceive | 46 (35.7%) | 33 (25.4%) | 0.073 | 3.44* (1.31-9.02) | 79 (30.5%) | 27 (20.8%) | 0.042 | 3.63** (1.38-9.61) |
Partner seroconversion to HIV positive at studyendpoint | 0 (0%) | 1 (0.8%) | 0.320 | 0.94 (0.01-75.66) | 1 (0.4%) | 0 (0%) | 0.46 | 2.23 (0.02-257.6) |
Among those trying to conceive throughout study (n=212) or during one 6-month period (n=64): total n=276 | ||||||||
n | 104 | 87 | 191 | 85 | ||||
Primary outcome: Used TCI or MSI accurately | 36 (34.6%) | 10 (11.5%) | <0.001 | 6.43** (1.90-21.73) | 46 (24.1%) | 0 (0%) | <0.001 | 91.84** (4.94-1709) |
Secondary outcomes | ||||||||
Used any (un-named) strategy to reduce risk inconceiving | 81 (77.9%) | 61 (70.1%) | 0.221 | 7.05** (2.07-23.99) | 142 (74.3%) | 26 (30.6%) | <0.001 | 27.17** (7.84-94.15) |
Reported using SCM (TCI/MSI) | 75 (72.1%) | 50 (57.5%) | 0.034 | 4.75** (1.64-13.71) | 125 (65.4%) | 4 (4.7%) | <0.001 | 494.4** (26.06-9378) |
Reported using TCI | 67 (64.4%) | 42 (48.3%) | 0.025 | 5.12** (1.86-14.50) | 109 (57.1%) | 4 (4.7%) | <0.001 | 424.6** (22.63-7968) |
Reported accurate TCI | 30 (28.8%) | 9 (10.3%) | 0.002 | 10.33** (2.60-41.08) | 39 (20.4%) | 0 (0%) | <0.001 | 121.9** (6.30-2360) |
Reported using MSI (among females) | 14/69 (20.3%) | 8/39 (20.5%) | 0.978 | 1.06 (0.27-4.11) | 22/108 (20.4%) | 0/34 (0%) | 0.002 | 9.88 (0.48-201.9) |
Reported accurate MSI | 8/69 (11.6%) | 1/39 (2.6%) | 0.152 | 1.13 (0.13-9.54) | 9/108 (8.3%) | 0/34 (0%) | 0.114 | 2.77 (0.11-67.26) |
Became pregnant | 32 (30.8%) | 29 (33.3%) | 0.760 | 0.44 (0.15-1.25) | 61 (31.9%) | 27 (31.8%) | 0.902 | 0.73 (0.25-2.09) |
Among those not trying to conceive throughout study (n=113) or in one 6-month time period (n=64): total n=177 | ||||||||
n | 48 | 61 | 109 | 68 | ||||
Primary outcome: Using modern contraceptive | 7 (14.6%) | 12 (19.4%) | 0.487 | 3.72 (0.37-37.48) | 19 (17.4%) | 12 (17.6%) | 0.971 | 1.20 (0.22-6.501) |
Secondary outcomes: | ||||||||
Using modern contraceptive or always usecondoms or not having sex | 28 (58.3%) | 35 (56.5%) | 0.92 | 1.07 (0.28-4.19) | 63 (57.8%) | 37 (54.4%) | 0.658 | 0.52 (0.16-1.75) |
Always use condoms | 13 (27.1%) | 16 (25.8%) | 0.92 | 2.78 (0.50-15.63) | 29 (26.6%) | 18 (26.5%) | 0.984 | 2.66 (0.57-12.44) |
Did not become pregnant | 44 (91.7%) | 54 (88.5%) | 0.589 | 1.40 (0.17-11.58) | 98 (89.9%) | 61 (89.7%) | 0.965 | 0.18 (0.01-4.30) |