TABLE 1.
Summary of SMS and Voice Reminder Studies That Included Comparison Groups and Were Conducted in Low- and Middle-Income Countries (N=118)
| No. (%) | |
|---|---|
| Year of publication | |
| 2010 | 1 (0.8) |
| 2011–2012 | 16 (13.6) |
| 2013–2014 | 23 (19.5) |
| 2015–2016 | 53 (44.9) |
| 2017 (through October 3) | 25 (21.2) |
| Region | |
| Latin America | 9 (7.6) |
| Eastern Mediterranean (Iran, n=14) | 19 (16.1) |
| sub-Saharan Africa (Kenya, n=12) | 43 (36.4) |
| East Asia/Pacific (China, n=25) | 25 (21.2) |
| Southeast Asia (Malaysia, n=5) | 8 (6.8) |
| South Asia (India, n=9) | 14 (11.9) |
| Health outcome (n=130)a | |
| Treatment adherence | 79 (60.8) |
| Health care seeking | 51 (39.2) |
| Types of conditions (n=124)b | |
| Reproductive health | 11 (8.9) |
| Child health | 14 (11.3) |
| Acute illness or behavior | 15 (12.1) |
| Lifestyle | 15 (12.1) |
| HIV/AIDS | 32 (25.8) |
| Cardiovascular | 13 (10.5) |
| Diabetes | 9 (7.3) |
| Screening visits | 5 (4.0) |
| Other | 10 (8.1) |
a
Some studies examined both health care seeking and adherence.
b
Some studies examined multiple types of health conditions.