Table 2.

Cox proportional hazards and multivariate hazard ratios.

Variable		Hazard ratio (SE)	95% CI	P value
Age		0.98 (0.00)	0.98-0.99	.001
Foreign		1.88 (0.11)	1.67-2.12	<.001
Education level
	High school diploma	0.77 (0.05)	0.68-0.88	<.001
	Graduate	0.61 (0.04)	0.53-0.70	<.001
Employed		0.87 (0.05)	0.79-0.97	.01
In a relationship		0.84 (0.07)	0.70-0.99	.04
Nulliparous		0.86 (0.04)	0.79-0.95	.002