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Table 3
Multivariate logistic regression analysis models showing significant factors associated to knowledge and attitude scores
	Pregnancy knowledge score of 5–10vs. 0-4	*Contraceptive awareness score of 10–16vs.0-9*	*Contraceptive uses knowledge score of 7–16vs.0-6*	*Contraceptive availability knowledge score of 4–13vs.0-3*	*Premarital sex attitudes score of 38–40vs.10-37*
	OR (95%CI)	OR (95%CI)	OR (95%CI)	OR (95%CI)	OR (95%CI)
*Year of study*
Pre-university	1.31(0.93-1.83)	2.24(1.59-3.16) ^***	1.60(1.14-2.26) ^**
Undergraduate year 1	0.71(0.50-0.99)^*	0.75(0.53-1.06)	0.70(0.50-0.99) ^*
Undergraduate year 2	0.97(0.68-1.39)	0.85(0.40-0.86) ^**	0.55(0.38-0.79) ^*
Undergraduate year 3	Reference	Reference	Reference
*Ethnicity*
Malay	1.17(0.61-2.26)	0.69(0.36-1.35)	0.77(0.40-1.49)	1.35(0.69-2.67)	3.62(1.68-7.79) ^**
Chinese	2.33(1.14-4.78) ^*	2.12(1.03-4.36) ^*	2.45(1.18-5.10) ^*	2.87(1.37-6.01) ^**	0.69(0.29-1.65)
Indian	1.43(0.48-4.30	1.62(0.53-4.91)	1.21(0.40-3.67)	1.02(0.32-3.24)	0.96(0.25-3.68)
Natives of Sabah or Sarawak	Reference	Reference	Reference	Reference	Reference
*Religious faith*
Very religious			1.50(0.72-3.15)		2.27(0.91-5.67)
Somewhat religious			2.15(1.09-4.25) ^*		2.82(1.18-6.76) ^*
Not at all religious			Reference		Reference
*Maternal occupation*^b,c
Professional or managerial				1.48(1.12-1.97) ^**
Skilled workers				0.71(0.45-1.12)
Housewife				Reference
*Hometown locality*
Urban				1.38(1.02-1.87) ^*
Suburban				1.14(0.81-1.61)
Rural				Reference
*Dating status*
Currently dating	1.12(0.84-1.50)		0.69(0.51-0.93)^*
Previously dated	1.38(1.05-1.83) ^*		0.97(0.73-1.29)
Never dated	Reference		Reference

^*** association is significant at the 0.001 level.

^** association is significant at the 0.01 level.

^* association is significant at the 0.05 level.

Wong BMC Public Health 2012 12:865 doi:10.1186/1471-2458-12-865

Table 3