Table 3.

Model summary

Model	R 2	95% CI	R2 adjusted	RMSE	MAE	ΔR 2	F change	Sig. F change
1	.131	0.034 to 0.228	.107	0.654	0.537	.131	5.42	.000
2	.452	0.340 to 0.564	.429	0.519	0.403	.321	41.61	.000
3	.605	0.515 to 0.695	.573	0.441	0.352	.153	10.62	.000
4	.573	0.474 to 0.672	.561	0.458	0.365	.032	1.59	.144

Model 1 = Sociodemographic variables, Model 2 = Sociodemographic + Social variables, Model 3 = Sociodemographic + Social + Psychological variables, Model 4 = Parsimonious model after model training was applied.