Table 1.

The Cronbach’s Alpha, test–retest correlation coefficient and kappa values of the sub-scales of the instrument

Sub-scales	Cronbach’s Alpha	Test–retest correlation coefficient	Kappa values
Perceived pros	0.85
Perceived cons	0.86
Self-efficacy	0.78
Awareness-raising	0.88
Self-reevaluation	0.84
Environmental reevaluation	0.85
Social liberation	0.80
Self–liberation	0.80
Reinforcement management	0.99
Counter conditioning	0.78
Stage of change		P=0.01, r=0.81
Adopting correct body posture			0.80