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%)
| | |