Table 3.

Relationship between the clinical characteristics of oral health and CPQ sum scores: results of the multivariate NBR analysis adjusting data for gender, age, and family affluence (N = 600).

Variable	RSSM (95% CI)
	Whole CPQ	OS	FL	EWB	SWB
Gender:
Boys (ref.)	1.00	1.00	1.00	1.00	1.00
Girls	1.34	1.13	1.23	1.92	1.11
	(p = 0.001)	(p = 0.216)	(p = 0.048)	(p < 0.001)	(p = 0.365)
	(1.12–1.59)	(0.93–1.36)	(1.00–1.51)	(1.58–2.32)	(0.89–1.40)
Age:
15–16 years (ref.)	1.00	1.00	1.00	1.00	1.00
17–18 years	1.00	1.06	0.85	1.06	0.92
	(p = 0.950)	(p = 0.569)	(p = 0.108)	(p = 0.565)	(p = 0.466)
	(0.84–1.18)	(0.88–1.27)	(0.69–1.04)	(0.88–1.28)	(0.74–1.15)
Family affluence:
Low (ref.)	1.00	1.00	1.00	1.00	1.00
Medium	0.81	0.96	0.66	0.80	0.66
	(p = 0.122)	(p = 0.792)	(p = 0.007)	(p = 0.127)	(p = 0.015)
	(0.62–1.06)	(0.72–1.28)	(0.49–0.89)	(0.59–1.07)	(0.48–0.92)
High	0.76	0.92	0.60	0.75	0.57
	(p = 0.039)	(p = 0.577)	(p = 0.001)	(p = 0.047)	(p = 0.001)
	(0.58–0.99)	(0.69–1.23)	(0.45–0.81)	(0.56–0.99)	(0.41–0.79)
DMFT:
≤3 (ref.)	1.00	1.00	1.00	1.00	1.00
>3	1.19	1.14	1.35	1.14	1.30
	(p = 0.049)	(p = 0.181)	(p = 0.005)	(p = 0.212)	(p = 0.027)
	(1.00–1.42)	(0.94–1.39)	(1.09–1.67)	(0.93–1.38)	(1.03–1.64)
ICON:
≤43 (ref.)	1.00	1.00	1.00	1.00	1.00
>43	1.37	1.11	1.12	1.81	1.69
	(p = 0.001)	(p = 0.292)	(p = 0.316)	(p < 0.001)	(p < 0.001)
	(1.14–1.66)	(0.91–1.36)	(0.90–1.40)	(1.48–2.22)	(1.34–2.14)

Note: RSSM—ratio of sum score means; ref.—reference group. Significant values are in bold.