Table 2.
Feasibility and use of the SupportMoms-Uganda messaging app.
| Characteristics | Scheduled messaging arm (n=40) | Social support arm (n=40) | |
| Number of accessible mobile phonesa | |||
|
|
Household, median (IQR) | 2 (1-3) | 2 (1-3) |
|
|
Neighborhood, median (IQR) | 3 (2-4) | 3 (2-5) |
|
|
Smartphones, n (%) | 8 (20) | 8 (20) |
| Owns a personal cell phone, n (%) | 30 (75) | 31 (78) | |
| Ability to operate phone for SMS text messaging or voice call, n (%; 95% CI) | 40 (100; 91.2-100) | 40 (100; 91.2-100) | |
| Total number of messages sent automatically, n (%; 95% CI) | |||
|
|
Informational SMS text messaging | 2683 (86.02; 84.80-87.22) | 2702 (86.71; 85.53-87.90) |
|
|
Audio messages | 752 (72.3; 69.5-75.0) | 783 (75.3; 72.6-77.9) |
|
|
Participant SMS text messaging reminders | 646 (80.8; 77.8-83.4) | 1312 (82; 80.01-83.86) |
|
|
Supporter SMS text messaging reminders | N/Ab | 671 (83.9; 81.1-86.4) |
| Number of planned messages received, n (%; 95% CI) | |||
|
|
≥85% SMS text messages | 34 (85; 70.2-94.3) | 36 (90; 76.3-97.2) |
|
|
≥85% voice calls | 30 (75; 58.8-87.3) | 33 (83; 67.2-92.7) |
|
|
≥65% SMS text messages | 40 (100; 91.2-100) | 40 (100; 91.2-100) |
|
|
≥60% voice calls | 40 (100; 91.2-100) | 40 (100; 91.2-100) |
| Messages came within 1 hour of expected time, n (%; 95% CI) | 34 (85; 70.2-94.3) | 35 (88; 73.2-95.8) | |
| Response messaging feature, n (%; 95% CI) | |||
|
|
Used the response feature | 34 (85; 70.2-94.3) | 35 (88; 73.2-95.8) |
|
|
Rate response feature >3 | 36 (90; 76.3-97.2) | 37 (93; 79.6-98.4) |
| Reasons for missed or delayed messagesa, n (%; 95% CI) | |||
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Sometimes turn off phone deliberately | 6 (15; 5.7-29.8) | 4 (10; 2.7-23.7) |
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Network issues | 7 (18; 7.3-32.8) | 5 (13; 4.2-26.8) |
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Battery or phone charging issues | 3 (8; 1.6-20.4) | 1 (3; 0.1-13.2) |
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|
Lost phone or phone functionality | 6 (15; 5.7-29.8) | 3 (8; 1.6-20.4) |
| Rate ability to hear voice message clearly >3, n (%; 95% CI) | 40 (100; 91.2-100) | 40 (100; 91.2-100) | |
| Average length of on-call engagement (minutes), mean (SD) | 1.5 (0.3) | 1.5 (0.2) | |
| Ranking important features of messagingc, n (%; 95% CI) | |||
|
|
Confidentiality: least important | 40 (100; 91.2-100) | 40 (100; 91.2-100) |
|
|
Clarity of message: most important | 40 (100; 91.2-100) | 40 (100; 91.2-100) |
|
|
Language: most important | 36 (90; 76.3-97.2) | 36 (90; 76.3-97.2) |
aMultiple responses.
bN/A: not applicable.
cScale of 1 to 5, with 1 as least and 5 as greatest.