Table 3 Estimated parameter values of adopted model (alternative model II) for medication adherence

Attitude → Intention

0.363

0.365

0.041

9.06^***

Subjective norm → Intention

0.066

0.067

0.039

1.71^†

Perceived behavioral control → Intention

0.521

0.523

0.038

13.73^***

Attitude → Adherence

0.208

0.185

0.073

2.83^**

Perceived behavioral control → Adherence

0.213

0.195

0.080

2.66^**

Intention → Adherence

0.083

0.076

0.092

0.91