Table 1 Internal consistency of the EPPM constructs
From: Mobile phone short message service (SMS) as a malaria control tool: a quasi-experimental study
Indicator | Number of items | Cronbach’s alpha (α) | |
|---|---|---|---|
| Â | Â | Before | After |
Threat | |||
 Severity | 3 | 0.52 | 0.68 |
 Susceptibility | 5 | 0.68 | 0.87 |
Efficacy | |||
 Self-efficacy | 6 | 0.62 | 0.91 |
 Response efficacy | 4 | 0.85 | 0.90 |