Table 6.

Multilevel analysis for OHIP values

Model	R	R square	Adjusted R square	Standard error of the estimate	R Square change	f change	df1	df2	Significance of F-change	Durbin-Watson statistics
1 (pain)	0.53a	0.28	0.27	8.60	0.28	21.94	2	109	0.00	2.11
2 (gender)	0.58b	0.34	0.32	8.27	0.06	9.90	1	108	0.002

R, R, correlation coefficient; df, degree of freedom

^aFactors (konstant): pain

^bFactoren (konstant): pain, gender