Table 4.

Female all-cause mortality Cox non-proportional hazard rate ratios: exposed v. population-based controls.

	Model 1		Model 2
	HR	95% CI	HR	95% CI
Born 1856, unknown birth month	±		±
Born Sep–Dec 1855	1.146	0.82, 1.61	1.138	0.81, 1.6
Born Jan–Mar 1856	0.782	0.51, 1.19	0.78	0.51, 1.19
Born Apr–Jun 1856	1.352	0.86, 2.14	1.347	0.85, 2.13
Born Jul–Sep 1856	0.823	0.51, 1.33	0.822	0.51, 1.33
Born Oct–Dec 1856	0.844	0.55, 1.3	0.838	0.54, 1.29
Born 1857–1861 (ref)	1.00		1.00
Born 1862–1866	0.932***	0.89, 0.97	0.934***	0.89, 0.98
Born 1867–1871	0.911***	0.87, 0.95	0.914***	0.88, 0.95
Mother died when child was age 10 and under			1.021	0.95, 1.1
Father died when child was age 10 and under			1.079**	1, 1.16
Missing information on child’s age at either parent’s death			1.008	0.95, 1.07
Nam-Powers Score (Source: Spouse or Ego Death Certificate, Unit = 10)			0.973	0.96, 0.99
Nam-Powers Score missing (= 1)			1.031	0.98, 1.08
Spouse is a farmer (= 1)			0.996	0.94, 1.05
First-born child (= 1)			1.072**	1.03, 1.12
No LDS church participation (ref)			1.00
Inactive LDS church participation			0.965	0.91, 1.02
Active LDS Church participation			0.935**	0.89, 0.98
Married before age 50 (= 1)			0.982	0.9, 1.08
1–6 children (ref)			1.00
7 or more children			1.028	0.99, 1.07
Nulliparous			1.017	0.97, 1.07
Non-proportional effects (interaction with time)
Born Sep–Dec 1855	0.995	0.98, 1.01	0.996	0.98, 1.01
Born Jan–Mar 1856	1.005	0.99, 1.02	1.005	0.99, 1.02
Born Apr–Jun 1856	0.985*	0.97, 1.00	0.985*	0.97, 1.00
Born Jul–Sep 1856	1.007	0.99, 1.03	1.008	0.99, 1.03
Born Oct–Dec 1856	1.007	0.99, 1.02	1.007	0.99, 1.02
n	14,567		14,567
Likelihood ratio χ2 (df)	31.99 (13)		78.83 (25)
AIC	251,191.4		251,168.6

HR, hazard ratio; CI, confidence interval; LDS, Latter-Day Saint; AIC, Akaike information criterion.

^±Significant differences for this group exist; however, the sample size is small (n = 4) and the estimates are not reliable.

Exponentiated coefficients; 95% CIs in second column.

^*P < 0.1,

^**P < 0.05,

^***P < 0.001.