Table 3.

Odds ratios for predicting hazard offirst intercourse for women, 2000 and 2005 Ethiopia demographic health surveys

	First intercourse at time of marriage vs not started sexual activity	First intercourse before marriage vs not started sexual activity	First intercourse before marriage vs at time of marriage
	Odds ratio	Odds ratio	Odds ratio
Cohort (ref.=1950/55-64)
1965-74	0.80**	0.88**	1.10**
1975-84	0.46**	0.55**	1.19**
Currently attending school	0.58**	0.29**	0.49**
Education (ref.=No formal education)
Primary	0.60**	0.72**	1.20**
Secondary	0.23**	0.46**	1.96**
Place of residence (ref.=Rural)
Town	0.88**	1.21**	1.37**
City	0.79**	1.23**	1.55**
Religion (ref.=Christian)
Moslem	1.29**	0.75**	0.58**
Traditional	1.16*	0.85*	0.74**
Ethnicity (ref.=Amhara)
Affar	0.77**	0.49**	0.64**
Gurage	0.43**	0.33**	0.77**
Oromo	0.58**	0.44**	0.76**
Sidamo	0.56**	0.55**	0.98
Somali	0.47**	0.21**	0.46**
Tigrai	0.58**	1.10*	1.89**
Welaita	0.75**	0.21**	0.28**
Others	0.68**	0.43**	0.64**
Duration (years)	1.92**	2.03**	1.06**
Duration squared	0.97**	0.97**	0.99**
DHS Survey (ref.= 2000)
2005	1.14**	1.15**	1.04
Number of women = 24,817
Number of life years = 199,735
LR Chi-square = 13,073**

Note:

^*p <.05

^**p <.01