Table 4

Relationship between short message service (SMS) utilisation (response) and postintervention knowledge score

FactorsRAdj R2tSig
(Constant)14.4740
Total SMS response0.6360.4039.8320
Teacher0.6360.402−1.8970.059
Book0.6550.4241.3040.193
Pretest knowledge0.7810.60613.2290