Table 1 Association between interaction with intervention and effective and long-acting contraception use at four months
Using effective contraception | OR | p value | Using long-acting contraception | OR | p value | |
|---|---|---|---|---|---|---|
No/total no. of respondents (%) | No/total no. of respondents (%) | |||||
Per-protocol analysis | ||||||
Responded to 1–2 voice messages (r) | 33/55 (60%) | 1.00 | 18/55 (33%) | 1.00 | ||
Responded to >2 voice messages | 89/124 (72%) | 1.70 (0.87-3.30) | 0.121 | 40/124 (32%) | 0.98 (0.50-1.93) | 0.951 |
Response to voice message 1 | ||||||
Call failed (r) | 40/69 (58%) | 1.00 | 16/69 (23%) | 1.00 | ||
1 | 49/60 (82%) | 3.23 (1.44-7.26) | 0.005 | 24/60 (40%) | 2.21 (1.03-4.73) | 0.041 |
2 | 36/58 (62%) | 1.19 (0.58-2.42) | 0.639 | 18/58 (31%) | 1.49 (0.68-3.28) | 0.321 |
3 | 10/24 (42%) | 0.52 (0.20-1.33) | 0.171 | 3/24 (12%) | 0.47 (0.12-1.79) | 0.271 |
Response to voice message 1 | ||||||
Didn't press '1' (r) | 86/151 (57%) | 1.00 | 37/151 (25%) | 1.00 | ||
Pressed '1' | 49/60 (82%) | 3.37 (1.62-6.98) | 0.001 | 24/60 (40%) | 2.05 (1.09-3.88) | 0.026 |
Whether participant ever pressed '1' | ||||||
Never (r) | 53/100 (53%) | 1.00 | 18/100 (18%) | 1.00 | ||
1 or more | 82/111 (74%) | 2.51 (1.41-4.47) | 0.002 | 43/111 (39%) | 2.88 (1.52-5.45) | 0.001 |
Spoke to counsellor after voice message '1' | ||||||
No (r) | 44/74 (59%) | 1.00 | 20/74 (27%) | 1.00 | ||
Yes | 91/137 (66%) | 1.35 (0.75-2.42) | 0.315 | 41/137 (30%) | 1.15 (0.61-2.17) | 0.658 |
Whether participant ever spoke to counsellor | ||||||
Never (r) | 4/11 (36%) | 1.00 | 1/11 (9%) | 1.00 | ||
1 or more | 131/200 (66%) | 3.32 (0.94-11.74) | 0.062 | 60/200 (30%) | 4.29 (0.54-34.23) | 0.170 |
Whether pressed '1' if spoke to counsellor | ||||||
Spoke to counsellor & never pressed '1' (r) | 49/90 (54%) | 1.00 | 17/90 (19%) | 1.00 | ||
Spoke to counsellor & ever pressed '1' | 82/110 (75%) | 2.45 (1.35-4.45) | 0.003 | 43/110 (39%) | 2.76 (1.44-5.29) | 0.002 |
Combinations of pressing '1' and speaking to counsellor | ||||||
Never pressed '1' & never spoke to counsellor (r) | 4/10 (40%) | 1.00 | 1/10 (10%) | 1.00 | ||
Never pressed '1' & spoke to counsellor | 49/90 (54%) | 1.79 (0.47-6.79) | 0.390 | 17/90 (19%) | 2.10 (0.25-17.68) | 0.496 |
Pressed '1' & spoke to counsellor | 82/110 (75%) | 4.39 (1.15-16.71) | 0.030 | 43/110 (39%) | 5.78 (0.71-47.22) | 0.102 |
Pressed '1' & never spoke to counsellor | 0/1 (0%) | 1.00 (.-.) | . | 0/1 (0%) | 1.00 (.-.) | . |
Whether received pill or injection reminders | ||||||
Didn’t receive pill or injection reminder (r) | 96 (59%) | 1.00 | 60 (37%) | 1.00 | ||
Received pill or injection reminder | 39 (83%) | 4.63 (2.11-10.16) | <0.001 | 1 (2%) | 0.08 (0.01-0.62) | 0.015 |
All participants | 135/211 (64%) | 61/211 (29%) | ||||