TABLE 1.
Baseline Demographic Characteristics at Enrollment
| Overall (n = 549) | Control (n = 182) | Automated Reminders (n = 188) | Automated Reminders With Compliance-Linked Incentives (n = 179) | |
|---|---|---|---|---|
| Median age (IQR), mo | 5 (1–11) | 5 (1–11) | 5 (1–11) | 4 (1–11) |
| Days in study, median (IQR) | 292 (238–334) | 291 (236–332) | 295 (245–351) | 289 (238–331) |
| Sex, n (%) | ||||
| Female | 282 (51) | 95 (52) | 97 (52) | 90 (50) |
| Male | 267 (49) | 87 (48) | 91 (48) | 89 (50) |
| No. children in family, n (%) | ||||
| 1–2 | 459 (84) | 146 (80) | 165 (88) | 148 (83) |
| 3–5 | 90 (16) | 36 (20) | 23 (12) | 31 (17) |
| Maternal education, n (%) | ||||
| No school | 459 (84) | 150 (82) | 159 (85) | 150 (84) |
| Primary | 72 (13) | 28 (15) | 23 (12) | 21 (12) |
| Secondary | 6 (1) | 1 (0.6) | 3 (2) | 2 (1) |
| High | 11 (2) | 3 (2) | 3 (2) | 5 (3) |
| Graduate | 1 (0.2) | 0 (0) | 0 (0) | 1 (0.6) |
| Family income in INR, n (%) | ||||
| 0–25 000 | 471 (86) | 154 (85) | 161 (86) | 156 (87) |
| 25 000–50 000 | 78 (14) | 28 (15) | 27 (14) | 23 (13) |
| Place of birth, n (%) | ||||
| Hospital | 490 (89) | 167 (92) | 165 (88) | 158 (88) |
| Other | 59 (11) | 15 (8) | 23 (12) | 21 (12) |
| Baseline immunization coverage per 100 person-immunizations, % (CI) | 40 (38–42) | 39 (36–42) | 40 (37–43) | 40 (37–43) |
1 INR is approximately USD $0.015. CI, 95% confidence interval.