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Table 4 Cronbach’s α of the PMT instrument, overall and by subsample

From: An instrument based on protection motivation theory to predict Chinese adolescents’ intention to engage in protective behaviors against schistosomiasis

Variables PMT S V IR ER RE SE RC
Total sample 0.76 0.56 0.82 0.75 0.80 0.90 0.72 0.70
Gender
 Male 0.75 0.55 0.81 0.77 0.80 0.88 0.69 0.70
 Female 0.75 0.57 0.84 0.71 0.78 0.93 0.74 0.67
School grade
 Grade 7 0.77 0.54 0.82 0.76 0.80 0.89 0.72 0.70
 Grade 8 0.75 0.52 0.79 0.75 0.78 0.89 0.73 0.68
 Grade 9 0.74 0.61 0.84 0.73 0.80 0.92 0.72 0.71
  1. Note: PMT: the PMT instrument, S: severity, V: vulnerability, IR: intrinsic reward, ER: extrinsic reward, RE: response efficacy, SE: self-efficacy, RC: response cost