Table 4.

Logistic and Cox Proportional Hazards Models for Mortality from the Oklahoma Longitudinal Assessment of the Health Outcomes of Mature Adults Studies Data Set

	Without Function Variables		With Function Variables
	Mortality^*	P	Mortality^*	P
Logistic models
Age	0.99 (0.97–1.02)	.88	0.96 (0.94–0.98)	.001
Sex (female)	1.67 (1.18- 2.37)	.004	2.28 (1.52–3.42)	<.0001
BMI	0.96 (0.93–0.99)	.02	0.93 (0.90–0.96)	<.0001
Education	1.12 (1.01–1.22)	.03	1.16 (1.04–1.29)	.006
Income	0.83 (0.75–0.91)	.0002	0.89 (0.80–0.99)	.03
IADL score			0.78 (0.67–0.91)	.002
50-foot timed walk			1.13 (1.09–1.18)	<.0001
Night sweats^†	0.72 (0.43–1.22)	.25	0.98 (0.54–1.80)	.95
Severe night sweats^†	0.66 (0.29–1.48)	.31	0.95 (0.36–2.53)	.91
Cox proportional hazards models
Age	0.99 (0.97–1.02)	.47	0.96 (0.94–0.98)	.001
Sex (female)	1.56 (1.17–2.09)	.003	1.65 (1.20–2.26)	.002
BMI	0.96 (0.94–0.99)	.009	0.94 (0.92–0.97)	<.0001
Education	1.10 (1.02–1.19)	.02	1.11 (1.03–1.21)	.01
Income	0.84 (0.77–0.91)	<.0001	0.89 (0.81–0.98)	.01
IADL score			0.80 (0.73–0.88)	<.0001
50-foot timed walk			1.04 (1.03–1.05)	<.0001
Night sweats^†	1.28 (0.84–1.95)	.26	1.13 (0.71–1.79)	.62
Severe night sweats^†	1.51 (0.79–2.86)	.21	1.25 (0.61–2.58)	.54

* Data in Mortality columns provided as odds ratio (95 CI).
† The variables “night sweats” and “severe night sweats” were added separately.
BMI, body mass index; IADL, instrumental activities of daily living.