Toothbrush deterioration and parents’ suggestions to improve the design of toothbrushes used by children with special care needs

Table 4 Characteristics of children who used multiple toothbrushes in 3 months

	Children used at least two toothbrushes in 3 months
	OR (95% CI)	p-value	Multiple comparisons
Gender
Male	5.10 (1.33, 19.51)	0.017
Female^a
Diagnosis		0.032	(3), (4) > (2)
Autism (1)	0.32 (0.10, 1.05)	0.060	(1)=(2)
Developmental delay (2)	0.09 (0.01, 0.72)	0.024	(1)=(4)
DS, CP, or epilepsy (3)	1.32 (0.32, 5.43)	0.703	(1)=(3)
Multiple diagnoses (4)^a
Social skills		0.024	(3) > (2)
Average or high (1)	0.15 (0.02, 1.38)	0.093	(1)= (2)
Limited (2)	0.25 (0.09, 0.74)	0.012	(1)= (3)
Low (3)^a
Excessive toothbrush wear
Yes	10.49 (3.21, 34.26)	< 0.001
No ^a

Odds Ratio (OR) and 95% confidence interval (95% CI) were estimated by Binary Logistic Regression
^aReference group

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