贵颈驳.听1
Proposed model of smoking knowledge, attitude, and practice. *Knowledge: awareness that smoking causes cancer; attitude: attitude toward smoking cessation to prevent cancer; practice: implementing the decision to quit smoking. Path (a) denotes the effect of knowledge on attitude toward smoking, whereas path (b) denotes the effect of attitude on practice to stop smoking. The direct effect (c鈥�) refers to the effect of knowledge on practice after adjusting for attitude. The total effect (c) is the sum of the direct effect of knowledge on practice and the indirect effect (ab) of knowledge on practice via attitude. *\({\varvec{H}}\) denotes the hypothesis proposed in this study