A. Outcome: Time to return to clinic after an abnormal CD4+ T-lymphocyte result | ||||
---|---|---|---|---|
Univariable estimate | Multivariable estimate | |||
Characteristic | HR (95 %CI) | P-value | AHR (95 %CI) | P-value |
Age (each year) | 0.99 (0.98 – 1.01) | 0.435 | 1.02 (1.00 – 1.03) | 0.043 |
Female gender | 0.98 (0.73 – 1.32) | 0.885 | 0.94 (0.68 – 1.28) | 0.673 |
Educational attainment (Ref: primary or less) | 1.13 (0.84 – 1.54) | 0.419 | 1.00 (0.73 – 1.38) | 0.994 |
Mbarara district resident | 1.17 (0.86 – 1.59) | 0.323 | 1.33 (0.96 – 1.85) | 0.082 |
ART-naïve | 1.56 (1.10 – 2.21) | 0.011 | 1.48 (1.00 – 2.19) | 0.051 |
CD4 result (each 100 cells) | 0.87 (0.75 – 1.01) | 0.062 | 0.80 (0.69 – 0.93) | 0.004 |
Study period | ||||
Control (no message) | REF | -- | REF | -- |
Intervention (any message) | 2.17 (1.53 – 3.09) | <0.001 | 2.32 (1.53 – 3.51) | <0.001 |
Study group | ||||
Control (no message) | REF | -- | REF | -- |
Direct SMS message | 2.73 (1.74 – 4.26) | <0.001 | 3.05 (1.73 – 5.35) | <0.001 |
PIN SMS message | 1.71 (1.12 – 2.61) | 0.013 | 2.03 (1.20 – 3.45) | 0.009 |
Coded SMS message | 3.98 (2.38 – 6.65) | <0.001 | 3.28 (1.85 – 5.65) | <0.001 |
B. Outcome: Time to initiation of antiretroviral therapy after an abnormal CD4+ T-lymphocyte result | ||||
Univariable estimate | Multivariable estimate | |||
Characteristic | HR (95 %CI) | P-value | AHR (95 %CI) | P-value |
Age (each year) | 1.00 (0.98 – 1.02) | 0.968 | 1.02 (1.00 – 1.04) | 0.067 |
Female gender | 0.99 (0.70 – 1.40) | 0.956 | 1.12 (0.77 – 1.63) | 0.543 |
Educational attainment (Ref: primary or less) | 0.78 (0.55 – 1.11) | 0.169 | 0.71 (0.49 – 1.03) | 0.073 |
Mbarara district resident | 0.92 (0.65 – 1.32) | 0.664 | 0.98 (0.68 – 1.44) | 0.946 |
CD4 result (each 100 cells) | 0.70 (0.59 – 0.83) | <0.001 | 0.69 (0.58 – 0.82) | <0.001 |
Study period | ||||
Control (no message) | REF | |||
Intervention (any message) | 2.21 (1.40 – 3.47) | 0.001 | 2.27 (1.38 – 3.72) | 0.001 |
Study group | ||||
Control (no message) | REF | |||
Direct SMS message | 2.24 (1.31 – 3.84) | 0.003 | 2.40 (1.27 – 4.54) | 0.007 |
PIN SMS message | 1.91 (1.11 – 3.27) | 0.018 | 2.36 (1.21 – 4.61) | 0.011 |
Coded SMS message | 3.54 (1.94 – 6.47) | <0.001 | 3.06 (1.61 – 5.84) | 0.001 |