TABLE 5.

Association Between Timely Follow-up and Switching Between SMS and Paper Forms Over 2 Consecutive Visits (Multivariate Model)

SMS-Paper SwitchingUgandaGhanaSenegalRwanda
Crude OR (95% CI)Adjusted OR (95% CI)Crude OR (95% CI)Adjusted OR (95% CI)Crude OR (95% CI)Adjusted OR (95% CI)Crude OR (95% CI)Adjusted OR (95% CI)
Paper-Paper (0 0)REFREFREFREFREFREFREFREF
Paper-SMS (0 1)2.04 (1.88, 2.23)1.98 (1.81, 2.15)0.16 (0.12, 0.22)0.17 (0.12, 0.23)0.24 (0.21, 0.27)0.25 (0.22, 0.29)1.30 (1.02, 1.65)1.31 (1.02, 1.67)
SMS-Paper (1 0)3.34 (3.01, 3.71)3.23 (2.91, 3.60)2.52 (0.58, 10.97)2.02 (0.44, 9.34)1.91 (1.63, 2.23)2.00 (1.71, 2.35)5.43 (3.14, 9.40)5.33 (3.06, 9.27)
SMS-SMS (1 1)18.54 (13.34, 25.76)18.14 (12.99, 25.32)2.99 (2.34, 3.83)3.01 (2.32, 3.91)1.38 (1.24, 1.54)1.43 (1.28, 1.60)10.52 (7.39, 14.97)9.89 (6.91, 14.14)
  • Abbreviations: CI, confidence interval; OR, odds ratio; SMS, short message service.