Table 6.

Distribution of the oral hygiene status of the adults according to gender, nationality, level of education, visit to the dentist and smoking status

Variables	n	Oral hygiene status (% of adults)			Statistical significance (p < 0.05)
		Good	Fair	Poor
Gender
Male	875	10.2	32.3	57.5
Female	419	39.1	43.9	16.9	<0.001
Nationality
Kuwaiti	846	27.0	40.4	32.6
Non-Kuwaiti	448	5.6	27.9	66.5	<0.001
Level of education
Intermediate school or less	105	5.7	21.9	72.4
High school	293	13.7	32.4	53.9
Diploma	55	25.5	43.6	30.9
University and above	841	22.9	38.6	38.4	<0.001
Visit to the dentist
< one year ago	705	23.8	39.0	37.2
One year ago	197	18.3	33.5	48.2
> one year ago	392	12.5	32.1	55.4	<0.001
Smoking status
Non-smoker	900	24.6	39.2	36.2
Smoker	394	8.1	28.9	62.9	<0.001