Table 1. Prevalence of betel quid chewing among the respondents by sex and age.

		Chewers of betel quid
Sex and age	Pop.	without tobacco	with tobacco	total
Male	221	7 [3.2%]	153 [69.2%]	160 [72.4%]
		[95%CI = 1.2 to 6.4%]	[95%CI = 62.7 to75.2%]	[95%CI = 66 to 78.2%]
18–24 years	28	2 [7.1%]	19 [67.9%]	21 [75.0%]
24–44 years	92	1 [1.1%]	74 [80.4%]	75 [81.5%]
45–64 years	78	4 [5.1%]	49 [62.8%]	53 [68.0%]
65+ years	23	0 [0.0%]	11 [47.8%]	11 [48.8%]
Female	321	37 [11.5%]	87 [27.1%]	124 [38.6%]
		[95%CI = 8.2 to 15.5%]	[95%CI = 22.3 to 32.3%]	[95%CI = 33.3 to 4.2%]
18–24 years	31	2 [6.5%]	2 [6.5%]	4 [12.9%]
24–44 years	128	13 [10.2%]	38 [29.7%]	51 [39.8%]
45–64 years	125	17 [13.6%]	41 [32.8%]	58 [46.4%]
65+ years	37	5 [13.5%]	6 [16.2%]	11 [29.7%]
Total	542	44 [8.1%]	240 [44.3%]	284 [52.4%]
		[95%CI = 6 to10.7%]	[95%CI = 40 to 48.6%]	[95%CI = 48 to 56.7%]
18–24 years	59	4 [6.8%]	21 [35.6%]	25 [42.4%]
24–44 years	200	14 [6.4%]	112 [10.9%]	126 [57.3%]
45–64 years	203	21 [10.3%]	90 [44.3%]	111 [54.7%]
65+ years	60	5 [8.3%]	17 [28.3%]	22 [36.7%]

CI = confidence interval