Table 6.

Propensity score, probability of having a low number of posterior functional units (<6)

	RRR	P value	[95% Conf. Interval]
Mean DMFT	1.01	0.74	0.94–1.08
Presence of infectious dental process	1.93	0.01	1.14–3.27
Perception of recent dental pain	0.84	0.43	0.55–1.29
Presence of oro-facial dysmorphology	1.07	0.72	0.73–1.57
Presence of mouth breathing	2.17	0.00 4	1.28–3.67
Perception of chewing difficulties	1.76	0.003	1.21–2.56
Dental anxiety	1.74	0.04	1.19–2.53
Number of permanent teeth	0.74	0.001	0.71–0.78

Logistic regression

Significant RRR and corresponding p values (<0.05) are captured in bold