Table 4.

Multivariate logistic regression model analyses.

Logistic Regression (Subsequent hypertension as the outcome), N=337*
	OR**	95% CI	P value
Previous pre-eclampsia	3.43	1.83 − 6.43	0.001
Mean prior systolic BP***	1.02	1.00 − 1.04	0.032
Current age	1.08	1.04 − 1.11	0.001
Current BMI	1.01	0.97 − 1.06	0.505
Participants in quartile with shortest follow-up, N=69
Logistic Regression (Subsequent hypertension as the outcome)
	OR	95% CI	P value
Previous pre-eclampsia	11.31	1.15 − 111.2	0.038
Mean prior systolic BP	1.06	0.99 − 1.13	0.090
Current age	1.09	0.93 − 1.29	0.270
Current BMI	0.85	0.72 − 1.01	0.062
Remaining quartiles, same model, results given for previous pre-eclampsia only
Second quartile of follow-up, N=89	3.52	0.69 − 18.1	0.132
Third quartile, N=91	3.65	1.05 − 12.7	0.042
Fourth quartile, N=89	2.20	0.80 − 6.08	0.128
Cases excluded, Controls only, N=211
Logistic Regression (Subsequent hypertension as the outcome)
	OR	95% CI	P value
Mean prior systolic BP	1.04	1.00 − 1.07	0.041
Current age	1.12	1.05 − 1.18	0.001
Current BMI	1.05	0.98 − 1.13	0.188

^*N= the number of participants with available covariates for a particular analysis

^**Odds Ratio

^***Mean systolic or diastolic blood pressure, one year pre-pregnancy through 20 weeks gestation