eTable 3.
Model fit statistics and nested model tests for mediational model.
| Model | X2 | df | p | RMSEA | AIC | CFI |
|---|---|---|---|---|---|---|
| 1. Hypothesized model | 337.60 | 47 | < .001 | .09 | 37241.81 | .89 |
| 2. Free equality constraints on means | 137.14 | 39 | < .001 | .06 | 37057.34 | .96 |
| 3. Free paths from experience using PDMP to endogenous variables | 114.91 | 35 | < .001 | .06 | 36937.12 | .97 |
| 4. Free covariance between experience using PDMP and barriers | 98.92 | 34 | < .001 | .05 | 36921.13 | .97 |
| 5. Free variance of mediators | 47.41 | 31 | .03 | .03 | .99 | |
| Model Difference Tests | ΔX2 | Δdf | p | |||
| 1 vs 2 | 200.46 | 8 | < .001 | |||
| 2 vs 3 | 22.23 | 4 | < .001 | |||
| 3 vs 4 | 15.99 | 1 | < .001 | |||
| 4 vs 5 | 51.51 | 3 | < .001 | |||