Oral health and dental caries experience among students aged 7–15 years old with autism spectrum disorders in Tehran, Iran

Table 5 Correlation of different sociodemographic and oral health behavior factors with DMFT in all autistic children

	DMFT	Regression coefficient	CI:95%	p-Value^a
Age
7–11 years old (n = 109)	1.96 ± 1.72	-0.81	-1.5, -0.14	0.04
12–15 years old (n = 108)	2.79 ± 2.85	Reference
Gender
Boy (n = 186)	2.31 ± 2.31	-0.40	-1.59, 0.78	0.51
Girl (n = 31)	2.71 ± 2.81	Reference
Family income
360 USD or more (n = 162)	2.23 ± 2.31	Reference
Less than 360 USD (n = 55)	2.75 ± 2.56	-0.51	-1.45, 0.43	0.29
Level of ASD
1(mild) (n = 127)	2.26 ± 2.43	-0.25	-1.03, 0.52	0.53
2(moderate) (n = 90)	2.51 ± 2.31	Reference
Father’s education level
Associate degree or lower (n = 107)	2.50 ± 2.46	0.26	-0.50, 1.01	0.50
Above associate degree (n = 110)	2.24 ± 2.31	Reference
Mother’s education level
Associate degree or lower (n = 112)	2.18 ± 2.23	-0.38	-1.14, 0.38	0.32
Above associate degree(n = 105)	2.56 ± 2.53	Reference
Daily brushing frequency
Once or more Regularly(n = 142)	2.37 ± 2.51	0.006	-0.78, 0.80	0.99
Irregularly or no brushing(n = 75)	2.36 ± 2.14	Reference
Tooth brushing with or without help
Alone Without help (n = 26)	2.31 ± 3.10	-0.06	-1.20, 1.07	0.91
With help(n = 191)	2.37 ± 2.28	Reference
Using fluoride containing tooth paste
Most of the time(n = 160)	2.34 ± 2.24	-0.07	-0.94, 0.79	0.86
Seldom (n = 57)	2.42 ± 2.76	Reference
Frequency of Sugary snack consumption per day
Once or twice (n = 186)	2.29 ± 2.43	-0.52	-1.73, 0.70	0.41
More than twice(n = 31)	2.81 ± 2.04	Reference
OHI-s
= < 1.83 (n = 113)	1.89 ± 2.41	-0.76	-1.5, -0.03	0.04
> 1.83 (n = 104)	2.65 ± 2.32	Reference

^aGeneralized linear model regression (negative binomial identity link function)

ISSN: 1471-2431