Shisha Smoking Habit among Dental School Students in the United Arab Emirates: Enabling Factors and Barriers

Table 5

Prevalence rate of current shisha smoking stratified by grade and sex.

	Total	Current shisha smoker	%	95% confidence interval
	N	N
Female					<0.001
First and second grade	131	10	7.6	(3.1 to 12.2)
Third and fourth grade	121	3	2.5	(−0.3 to 5.2)
Fifth and sixth grade	78	14	17.9	(9.4 to 26.5)
Total female	330	27	8.2	(5.2 to 11.1)
Male					0.04
First and second grade	29	16	55.2	(37.1 to 73.3)
Third and fourth grade	20	4	20.0	(2.5 to 37.5)
Fifth and sixth grade	18	9	50.0	(26.9 to 73.1)
Total male	67	29	43.3	(31.4 to 55.1)

(chi-square) for male-female differences is <0.00.