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Table 3 The characteristics of the tools developed in three areas predisposing, enabling, and reinforcing factors

From: Design, implementation, and evaluation of a PRECEDE-PROCEED model-based intervention for oral and dental health among primary school students of Rafsanjan city: a mixed method study

Factor Structure Number of questions Response scale How to respond The scope of questions CVR CVI Cronbach’s alpha Internal correlation coefficient
*Demographic characteristics   11 Self-Reporting  
  Knowledge 24 multiple choice Self-Reporting 0–24 0.95 0.96 0.84
Predisposing Factors Attitude 7 Three-part Likert Self-Reporting 7–21 0.94 0.97 0.72  
Perceived susceptibility 3 Three-part Likert Self-Reporting 3–9 1 0.93 0.68  
Perceived severity 10 Three-part Likert Self-Reporting 10–30 0.96 0.96 0.90  
Perceived benefits 11 Three-part Likert Self-Reporting 11–33 1 0.99 0.78  
Subjective norms 3 Three-part Likert Self-Reporting 3–9 1 1 0.73  
Observational learning 3 Three-part Likert Self-Reporting 3–9 1 1 0.85  
The motivation to comply 3 Three-part Likert Self-Reporting 3–9 1 1 0.88  
Enabling Factors Perceived barriers 6 Three-part Likert Self-Reporting 6–18 1 1 0.80  
Self-efficacy 5 Yes - to some extent - no Self-Reporting 5–15 1 1 0.78  
Perceived behavioral control 6 Yes - to some extent - no Self-Reporting 6–18 0.96 0.98 0.79  
Behavioral preferences 5 Three-part Likert Self-Reporting 1 1  
Brushing skill 12 Yes No Checklist- Observation 0–12 0.82  
Reinforcing Factors Social reinforcement 5 Three-part Likert Self-Reporting 5–15 1 1 0.85  
Social support 4 Three-part Likert Self-Reporting 4–12 1 1 0.76  
  Behavior 21 Yes- No **check list- 0–21  
  Behavioral intention 4 Yes- No Self-Reporting 0–4 0.95 1 0.82  
  1. *Demographic variables included age, sex, education, and parents’ occupation, family income and oral health status
  2. ** Parents completed the checklist of behavior