Table 3.
Multivariable logistic regression models among participants with abnormal test results for predictors of successful receipt of at least one SMS text message, accurate identification of the transmitted SMS text message, and return to clinic within 7 days of message transmission.
| Characteristic | Reported SMS receipt | Accurate SMS identification | Return to clinic <7 days | ||||
|
|
AOR (95% CI) | P | AOR (95% CI) | P | AOR (95% CI) | P | |
| Age (years) |
|
|
|
|
|
|
|
|
|
<26 | reference |
|
reference |
|
reference |
|
|
|
26-32 | 0.97 (0.30-3.13) | .97 | 0.33 (0.07-1.60) | .17 | 0.71 (0.24-2.07) | .53 |
|
|
33-39 | 1.43 (0.40-5.16) | .59 | 0.98 (0.18-5.27) | .99 | 0.72 (0.23-2.19) | .56 |
|
|
≥40 | 1.49 (0.41-5.45) | .54 | 0.24 (0.05-1.19) | .08 | 0.66 (0.22-1.95) | .45 |
| Gender (female) | 0.95 (0.38-2.37) | .92 | 1.30 (0.44-3.83) | .63 | 1.15 (0.52-2.52) | .73 | |
| CD4 result |
|
|
|
|
|
|
|
|
|
≤100 | reference |
|
reference |
|
reference |
|
|
|
101-350 | 1.08 (0.39-2.96) | .89 | 0.51 (0.13-1.96) | .33 | 0.28 (0.11-0.75) | .01 |
| Read a complete sentence on enrollment | 2.14 (0.85-5.39) | .11 | 4.54 (1.42-14.47) | .01 | 3.81 (1.61-9.03) | .002 | |
| Accessed sample SMS text on enrollmenta | 3.05 (0.76-12.21) | .12 | 0.63 (0.08-4.68) | .65 | 4.90 (1.06-22.61) | .04 | |
| Randomized SMS text format |
|
|
|
|
|
|
|
|
|
Direct | reference |
|
reference |
|
reference |
|
|
|
PIN | 0.76 (0.27-2.17) | .61 | 0.11 (0.03-0.44) | .002 | 0.26 (0.10-0.66) | .005 |
|
|
Coded | 1.00 (0.31-3.20) | .99 | 0.38 (0.08-1.80) | .22 | 0.58 (0.22-1.55) | .28 |
a Restricted to participants with an available mobile phone on enrollment.