8AJZEN I. From Intentions to Actions: A theory of planned be havior[A]. In.. KUHL J, BECKMAN J (Eds.). Action-control: From Cognition to Behavior[M]. Heidelberg: Springer, 1985: 11-39.
9BANDURA A. Self-efficacy: Toward a unifying theory of be- havioral change[J]. Psycho Rev, 1977,84:191-215.
10BARANOWSKI T, LIN L S, WETTER D W, et al. Theory as mediating variables: Why aren - t community interventions working as desired[J].Ann Epidemiol,1997,7(7):$89-$95.