Table 6.

Odds ratios from logistic regression models examining association of selected characteristics of youths (n=195) with risk perception, Kanchanaburi Demographic Surveillance System site, 2004

Predictor	Odds ratio ratio Model 1	Odds ratio ratio Model 2	Odds ratio ratio Model 3	Odds ratio ratio Model 4	Odds ratio ratio Model 5
	Age (years)
15–19	1.008	1.064	1.102	1.131	1.369
20–24 (ref)
Marital status
Single	3.334*	3.230*	3.166*	3.130*	3.228*
Married (ref)
Education
No schooling (ref)
Primary school level	1.573	1.568	1.473	1.448	1.341
Lower secondary school level	2.797**	2.640**	2.510**	2.312**	2.267**
Upper secondary school level	2.776**	2.772**	2.746**	2.646**	2.611**
More than upper secondary level	2.962**	2.946**	2.896**	2.768**	2.755**
Occupation
Not working (ref)
Study	1.464	1.462	1.458	1.453	1.342
Agriculture	0.657	0.649	0.640	0.630	0.611
Labour and transport-related work	0.360	0.350	0.346	0.334	0.307
Professional, sales, and services	0.556	0.545	0.537	0.524	0.501
Household wealth
Below average (ref)
Average		1.873	1.731	1.622	1.312
High		1.942*	1.851*	1.612*	1.501*
Place of residence
Mixed economy (ref)
Urban/semi-urban			1.964*	1.942*	1.721*
Rice-field			0.786	0.741	0.714
Plantation			0.634	0.599	0.516
Uplands			0.949	0.936	0.901
Access to mass media
Television				1.644*	1.514*
Radio				1.114	1.001
Type of sex partner
Usual partner					0.631
Temporary partner					3.988*
Substance-use
Beer					0.812
Liquor					0.746*
R2	0.07	0.08	0.09	0.11	0.14

*p<0.05;

**p<0.01;

***p<0.001; ref=Reference