Table 3.

Prevalences of tobacco, alcohol and substance use

		Camp		District		Crude Odd’s Ration (CIa)	p
		(n=4040)	% *	n=2001)	% *
Tobacco	Never used	3138	77.7	1.331	66.5***	1.75 (1.55–1.97)	<0.001**
	Life Time	902	22.3***	670	33.5	1.75 (1.55–1.97)	<0.001**
	–Last 12 months	863	20.7***	632	31.1	1.42 (1.26–1.61)	<0.001**
	–Last 30 days	860	20.6 ***	624	30.7	1.67 (1.48–1.89)	<0.001**
Alcohol	Never used	4031	99.8	1931	96.5***	16.23 (8.09–32.57)	<0.001**
	Life Time	9	0.2***	70	3.5	16.23 (8.09–32.57)	<0.001**
	–Last 12 months	4	0.1***	39	1.9	20.05 (7.15–56.20)	<0.001**
	–Last 30 days	4	0.1 ***	24	1.2	12.24 (4.24–35.35)	<0.001**
Substance	Life Time	105	2.6***	87	4.3	1.70 (1.27–2.27)	<0.001**

^*Column percentage of all participants.

^**Pearson Chi-Square.

^***Reference category. a Confidence interval.