Occlusal characteristics in 3-year-old children – results of a birth cohort study

BMC Oral Health

Table 1 Description of independent variables for all children and children with malocclusion

Variables	All children (n = 377)			Children with Malocclusion (n = 170)		Fisher exact test
Variables		%	(n)	%	(n)	OR	95 % CI	P-value
Gender	Male	52.4	197	47.2	93	0.84	0.56–1.27	0.468
Gender	Female	47.6	180	43.0	77	0.84	0.56–1.27	0.468
Migration background	Yes	6.1	23	39.1	9	0.77	0.32–1.82	0.667
Migration background	No	93.9	354	45.6	161	0.77	0.32–1.82	0.667
Low socioeconomic status	Yes	9.3	35	40.0	14	0.79	0.39–1.61	0.594
Low socioeconomic status	No	90.7	342	45.6	156	0.79	0.39–1.61	0.594
Preterm birth	Yes	4.3	16	43.8	7	0.94	0.34–2.58	1.000
Preterm birth	No	95.7	361	45.3	163	0.94	0.34–2.58	1.000
General disease/special health care needs	Yes	7.2	27	29.6	8	0.49	0.21–1.14	0.109
General disease/special health care needs	No	92.8	350	46.4	162	0.49	0.21–1.14	0.109
Mouthbreathing	Yes	0.5	2	100.0	2	^a	^a	0.204
Mouthbreathing	No	99.5	375	44.9	168	^a	^a	0.204
Allergic rhinitis	Yes	1.6	6	33.3	2	0.60	0.11–3.32	0.694
Allergic rhinitis	No	98.4	371	45.4	168	0.60	0.11–3.32	0.694
Breastfeeding	Yes	66.8	251	44.2	111	0.89	0.58–1.36	0.660
Breastfeeding	No	33.2	126	47.2	59	0.89	0.58–1.36	0.660
Bottlefeeding >15 months	Yes	24.7	93	49.5	46	1.36	0.70–2.67	0.398
Bottlefeeding >15 months	No	75.3	284	41.8	23	1.36	0.70–2.67	0.398
Drink learn cup	Yes	85.4	321	44.2	142	0.77	0.43–1.36	0.382
Drink learn cup	No	14.6	55	50.9	28	0.77	0.43–1.36	0.382
Pacifier	Yes	80.6	304	50.5	153	3.36	1.87–6.05	0.001
Pacifier	No	19.4	73	23.3	17	3.36	1.87–6.05	0.001
Thumb/finger sucking	Yes	4.3	16	100.0	16	^a	^a	0.001
Thumb/finger sucking	No	95.7	361	42.8	154	^a	^a	0.001
Dental trauma	Yes	12.8	48	58.3	28	1.83	0.99–3.34	0.062
Dental trauma	No	87.2	329	43.3	142	1.83	0.99–3.34	0.062

^aAll children with the independent variable had a malocclusion. Odds ratio (OR) was mathematically incalculable

ISSN: 1472-6831