TABLE 3.

Predictors of Female Survival to Age 100: Effects of Parental Longevity, Early-Life and Midlife Conditions, Results of Multivariate Logistic Regression

Variable	Odds ratio	95% CI	p value
Father lived to 80+	2.19	1.61–2.98	< 0.001
Mother lived to 80+	2.23	1.66–2.99	< 0.001
Husband (or head of household) farmer in 1930	1.15	0.84–1.56	0.383
Radio in household, 1930	1.61	1.18–2.20	0.003
Born in the second half of year	1.18	0.89–1.58	0.256
Born in the Northeast region	1.04	0.65–1.67	0.857

Note: N = 815. Calculated using the Stata 11 statistical package (procedure logistic).