Table 5.

Bivariate relationships between OHIP and explanatory variables

	Functional limitation	Physical pain	Psychol. discomfort	Physical disability	Psychol. disability	Social disability	Handicap	OHIP scale
	rho	rho	rho	rho	rho	rho	rho	rho
Number of teeth	**-0.33	**-0.25	**-0.29	**-0.30	**-0.29	**-0.17	**-0.24	**-0.32
Positive affect	**-0.22	**-0.27	**-0.28	**-0.27	**-0.30	**-0.26	**-0.29	**-0.33
Negative affect	**0.27	**0.28	**0.31	**0.30	**0.35	**0.28	**0.30	**0.36
	Mean (SE)	Mean (SE)	Mean (SE)	Mean (SE)	Mean (SE)	Mean (SE)	Mean (SE)	Mean (SE)
Card status	**	**	**	**	**	**	**	**
Card holder	0.56 (.07)	1.35 (.08)	1.40 (.01)	0.72 (.07)	1.03 (.09)	0.53 (.06)	0.67 (.07)	6.23 (.46)
Not card holder	0.23 (.02)	0.85 (.03)	0.72 (.03)	0.25 (.02)	0.44 (.03)	0.23 (.02)	0.22 (.02)	2.92 (.13)
Reason for visit	**	**	**	**	**	**	**	**
Relief of pain	0.47 (.07)	1.42 (.09)	1.27 (.10)	0.63 (.07)	0.92 (.08)	0.56 (.07)	0.54 (.07)	5.78 (.46)
Not relief of pain	0.25 (.02)	0.85 (.03)	0.76 (.04)	0.28 (.02)	0.47 (.03)	0.23 (.02)	0.26 (.02)	3.10 (.14)

**(P < 0.01)