Fig. 1From: Development and validation of the Oral health behavior questionnaire for adolescents based on the health belief model (OHBQAHBM)a. A theoretical model of the impact of HBM on VPI score through oral health behaviors. b. The final model of path analysis. Standardized direct and indirect effects of HBM variables on VPI score were represented with solid and dotted red lines, respectively (*p < 0.05, **p < 0.001). Error terms and covariance are not presented for ease of understandingBack to article page