. Author manuscript; available in PMC: 2014 Jan 7.

Published in final edited form as: J Aging Health. 2013 Dec;25(8 0):10.1177/0898264313497796. doi: 10.1177/0898264313497796

Table 6.

Mediation Effects of Baseline Health Variables on the Relationship between Driving Status and Time to Death

Mediators	Entire Sample			Small Cities			Large Cities

	Mediation Effect (ab)	First Order SE	95% Asymmetric CI	Mediation Effect (ab)	First Order SE	95% Asymmetric CI	Mediation Effect (ab)	First Order SE	95% Asymmetric CI
SF-36 Physical Role	0.05^*	0.02	0.01 – 0.09	0.07	0.05	−0.01 – 0.18	0.04^*	0.02	0.01 – 0.10
SF-36 Physical Functioning	0.16^*	0.03	0.10 – 0.22	0.12^*	0.06	0.03 – 0.24	0.16^*	0.05	0.08 – 0.25
SF-36 Social Functioning	0.05^*	0.02	0.01 – 0.09	0.03	0.03	−0.01 – 0.10	0.06^*	0.02	0.01 – 0.11
General Health Composite	0.18^*	0.04	0.11 – 0.25	0.18^*	0.06	0.07 – 0.32	0.18^*	0.04	0.10 – 0.27
Turn 360 Test^a	0.06^*	0.02	0.03 – 0.11	−0.02	0.03	−0.08 – 0.04	0.09^*	0.02	0.05 – 0.14

Note. SF-36 = Short Form Health Survey; SE = standard error; CI = confidence interval.

Smaller scores reflect better performance.

Significant mediation effect at p < 0.05.