Table 2.

Oral health knowledge among individuals with ASD compared to the control group

Questions	ASD N (%)	Control N (%)	P-value
Dental plaque is formed by colonizing bacteria
Yes	65 (44.5%)	90 (60.4%)	.022*
No	4 (2.7%)	4 (2.7%)
Don’t Know	77 (52.7%)	55 (36.9%)
Dental caries mainly caused by the bacteria
Yes	102 (69.9%)	117 (79.1%)	.016*
No	14 (9.6%)	18 (12.2%)
Don’t Know	30 (20.5%)	13 (8.8%)
Having sugars can lead to dental caries
Yes	130 (89.0%)	140 (94.0%)	.018*
No	6 (4.1%)	8 (5.4%)
Don’t Know	10 (6.8%)	1 (0.7%)
Having soft drinks affect dental health
Yes	130 (88.4%)	141 (94.6%)	.054
No	5 (3.4%)	5 (3.4%)
Don’t Know	12 (8.2%)	3 (2.0%)
Is there any relationship between oral health and overall health?
Yes	131 (89.1%)	125 (83.9%)	.012*
No	3 (2.0%)	15 (10.1%)
Don’t Know	13 (8.8%)	9 (6.0%)
It is normal for your gum to bleed during brushing
Yes	51 (34.9%)	31 (20.8%)	.006*
No	84 (57.5%)	112 (75.2%)
Don’t Know	11 (7.5%)	6 (4.0%)
It is normal for your gum to be red
Yes	71(48.6%)	49 (32.9%)	.014*
No	63 (43.2%)	89 (59.7%)
Don’t Know	12 (8.2%)	11 (7.4%)
It is normal for your gum to be swelling
Yes	20 (13.6%)	5 (3.4%)	.001*
No	115 (78.2%)	139 (93.3%)
Don’t Know	12 (8.2%)	5 (3.4%)
Brushing teeth regularly protects your teeth
Yes	131 (89.1%)	142 (95.3%)	.082
No	10 (6.8%)	6 (4.0%)
Don’t Know	6 (4.1%)	1 (0.7%)
You need to visit a dentist only when you have a toothache
Yes	56 (38.4%)	32 (21.5%)	.000*
No	78 (53.4%)	116 (77.9%)
Don’t Know	12 (8.2%)	1 (0.7%)
You need a hard toothbrush to clean your teeth
Yes	29 (19.7%)	7 (4.7%)	.000*
No	102 (69.4%)	136 (91.3%)
Don’t Know	16 (10.9%)	6 (4.0%)
Dental floss is necessary to keep your teeth clean
Yes	90 (61.2%)	113 (75.8%)	.023*
No	29 (19.7%)	20 (13.4%)
Don’t Know	28 (19.0%)	16 (10.7%)

*Significant result, p < .05 \