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Table 4 Direct, indirect and total effects of independent predictors on SMTP behaviors based on regression-based path analysis

From: Determinants of self-management behaviors among pulmonary tuberculosis patients: a path analysis

Independent variables

Direct effect*

Indirect effect**

Total effect***

Dependent variables

Predisposing factors (TB knowledge)

0.330

-

0.330

SMTP behaviors

Enabling factors (health education)

-

0.564 × 0.330 = 0.186 (effect of health education on TB knowledge × effect of TB knowledge on SMTP behaviors)

0.186

Enabling factors (HCWs support)

0.437

0.366 × 0.330 = 0.121 (effect of HCWs support on TB knowledge × effect of TB knowledge on SMTP behaviors)

0.558

Reinforcing factors (family support)

-

0.165 × 0.330 = 0.054 (effect of family support on TB knowledge × effect of TB knowledge on SMTP behaviors)

0.054

  1. HCWs: Healthcare workers, SMTP: Self-management of tuberculosis patients
  2. *The direct effect means that the independent variable has direct effect on SMTP behaviors
  3. **The indirect effect means that the independent variable has indirect effect on SMTP behaviors through other variables
  4. ***The total effect is the sum of direct and indirect effects of independent variable on SMTP behaviors