Copyright: ©Author(s) 2026.
World J Psychiatry. Oct 19, 2026; 16(10): 121800
Published online Oct 19, 2026. doi: 10.5498/wjp.121800
Published online Oct 19, 2026. doi: 10.5498/wjp.121800
Table 6 Comparison of alternative model structures
| Model structure | χ2 (df) | χ2/df | CFI | RMSEA (90%CI) | AIC | BIC | Conclusion |
| Parallel mediation model (original) | 48.32 (24) | 2.01 | 0.96 | 0.058 (0.035- 0.080) | 248.50 | 312.20 | Good fit; preferred for parsimony |
| Serial mediation model (PA → SE → sleep → MH) | 52.17 (23) | 2.27 | 0.94 | 0.067 (0.045-0.089) | 254.30 | 320.10 | Comparable fit but slightly worse |
| Single-mediator models (average of three) | - | - | - | - | - | - | Inferior to parallel model (by Δχ2) |
| Null model (no mediation) | 156.80 (30) | 5.23 | 0.50 | 0.142 (0.120-0.164) | - | - | Poor fit |
- Citation: Laar RA, Xiang HX, Zhang Q, Liu RR. Pakistani students’ physical activity and psychological well-being: A structural equation modeling approach. World J Psychiatry 2026; 16(10): 121800
- URL: https://www.wjgnet.com/2220-3206/full/v16/i10/121800.htm
- DOI: https://dx.doi.org/10.5498/wjp.121800