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Table 2 Results of the single-mediator path models and estimates of the mediated effects

From: Physical activity improves mental health through resilience in Hong Kong Chinese adolescents

      Mediated association between PA and mental well-being in the best fit model
Models AIC CFI RMSEA SRMR Coefficient estimates 95% CI lower band 95% CI upper band p-value Proportion of mediation
Self-efficacy as a mediator          
   Conceptualisation 1 19464.12 0.969 0.055 0.020 0.19 0.10 0.28 < 0.001 0.36
  Conceptualisation 2 19539.32 0.965 0.059 0.022 - - - - -
  Conceptualisation 3 19563.74 0.593 0.159 0.068 - - - - -
Resilience as a mediator          
   Conceptualisation 1 20737.04 0.980 0.054 0.020 0.35 0.23 0.47 < 0.001 0.68
  Conceptualisation 2 20737.81 0.977 0.057 0.022 - - - - -
  Conceptualisation 3 20836.68 0.691 0.158 0.068 - - - - -
School connectedness as a mediator          
   Conceptualisation 1 19154.74 0.935 0.079 0.027 0.07 −0.01 0.16 0.10 0.15
  Conceptualisation 2 19155.31 0.933 0.080 0.028 - - - - -
  Conceptualisation 3 19254.17 0.571 0.162 0.070 - - - - -
Family connectedness as a mediator          
   Conceptualisation 1 20131.63 0.931 0.082 0.028 0.08 0.00 0.17 0.06 0.16
  Conceptualisation 2 20132.22 0.929 0.083 0.029 - - - - -
  Conceptualisation 3 20231.08 0.570 0.163 0.070 - - - - -
  1. Bold entries indicate the chosen conceptualisation. CI = Confidence interval, AIC = Akaike Information Criteria, CFI = Comparative fit index, RMSEA = Root mean square error of approximation, SRMR = Standardised root mean square.