Incisor Molar Hypomineralization and Quality of Life: A Population-Based Study with Brazilian Schoolchildren

Table 5

The crude multivariate model of the association between domains and the total score of the B-P-CPQ instrument with MIH and confounding factors.

	Domains
	Oral symptoms		Functional limitation		Emotional well-being		Social well-being		Total score
	PRg (95% CI)	value	PRg (95% CI)	value	PRg (95% CI)	value	PRg (95% CI)	value	PRg (95% CI)	value
MIH
Present	1.510 (0.987–2.311)	0.058			1.483 (1.034–2.125)	0.032
Absent	1				1
MIH severity
Severe			2.161 (0.796–5.867)	0.131	1.571 (0.769–3.213)	0.215			2.161 (0.796–5.867)	0.131
Mild			1		1				1
MIH on incisors
Yes							0.266 (0.040–1.788)	0.173
No							1
MIH on molars
Yes	1.510 (0.987–2.311)	0.058			1.483 (1.034–2.125)	0.032
No	1				1
Dental caries experience
Yes	3.649 (1.757–7.577)	0.001	1.398 (0.945–2.068)	0.094	1.765 (1.122–2.778)	0.014	1.395 (0.863–2.255)	0.174	1.700 (1.019–2.838)	0.042
No	1		1		1		1		1
Malocclusion
Present			1.224 (0.935–1.602)	0.141			1.563 (1.110–2.201)	0.010	1.600 (1.145–2.238)	0.006
Absent			1				1		1
Sex
Female					1.240 (0.915–1.680)	0.166	1.616 (1.096–2.383)	0.015	1.784 (1.206–2.637)	0.004
Male					1		1		1
Age
14							1.951 (1.243–3.061)	0.004	1.050 (0.632–1.744)	0.850
13							1.256 (0.799–1.976)	0.323	0.992 (0.650–1.513)	0.970
12							0.755 (0.472–1.208)	0.241	0.663 (0.434–1.012)	0.057
11							1		1
Family income in minimum wages (MW)
≤1 MW			1.665 (1.021–2.715)	0.041	1.336 (0.847–2.107)	0.213	1.537 (0.868–2.720)	0.140
>1 SW			1		1		1
Parents/caregivers’ schooling
≤8 years of study			1.244 (0.931–1.662)	0.139			1.415 (0.981–2.042)	0.063	1.353 (0.947–1.932)	0.097
>8 years of study			1				1		1
Visit to the dentist
No	0.608 (0.380–0.973)	0.038			0.772 (0.535–1.116)	0.169
Yes	1				1

Variables in bold correspond to those with values <0.05 in the final model. Crude PR, crude prevalence ratio; 95% CI, 95% confidence interval.