Time to clinic return | Pre-intervention period (No SMS message) | Intervention period (SMS + transportation reimbursement) | Direct SMS message group | PIN SMS message group | Coded SMS message group | |
---|---|---|---|---|---|---|
(n = 45) | (n = 138) | P-value* | (n = 46) | (n = 49) | (n = 43) | |
Days from abnormal laboratory result to clinic return, median (IQR) | 33 (11 – 49) | 6 (3 – 16) | <0.001 | 4 (2 – 13) | 11 (4 – 18) | 6 (3 – 15) |
Proportion returned within 14 days of abnormal result (n, %) | 12/45 (27) | 93/138 (67) | <0.001 | 36/46 (78) | 28/49 (57) | 29 /43(67) |
Proportion returned within 28 days of abnormal result (n, %) | 22/45 (49) | 128/138 (93) | <0.001 | 43/46 (94) | 43/49 (89) | 42/43 (98) |
Proportion returned before scheduled visit (n, %) | 11/45 (24) | 96/137 (70) | <0.001 | 33/46 (72) | 34/49 (69) | 29 /42 (69) |
Time to ART initiation (ART-naïve only) | Pre-intervention period (No SMS message) | Intervention period (SMS + transportation reimbursement) | P-value* | Direct SMS message group | PIN SMS message group | Coded SMS message group |
(n = 45) | (n = 138) | (n = 37) | (n = 39) | (n = 34) | ||
Days from abnormal laboratory result to ART initiation, median (IQR) | 47 (11 – 77) | 13 (5 – 22) | <0.001 | 8 (3 – 25) | 15 (7 – 24) | 15 (4 – 19) |
Participants initiating ART within 14 days of abnormal result (n, %) | 7/26 (27) | 57/110 (52) | 0.06 | 24 (62) | 17 (46) | 16 (47) |
Participants initiating ART within 28 days of abnormal result (n, %) | 8/26 (31) | 89/110 (81%) | <0.001 | 30/39 (77) | 30/37 (81) | 29/34 (85) |