. Author manuscript; available in PMC: 2009 Dec 3.

Published in final edited form as: Int J Geriatr Psychiatry. 2009 Dec;24(12):1335–1342. doi: 10.1002/gps.2263

Table 2.

Hazards ratios (95% Confidence Intervals) derived from age-stratified Cox Proportional Hazards models with single predictor of either Spielberger State or Trait anxiety, and with both anxiety variables and control variables of education, baseline MMSE and HAM-D

Predictor variables	Hazards ratio (95% CI) from single predictor model	Hazards ratio (95% CI) adjusted for other variables
State anxiety (≤30 vs. > 30)	1.26 (0.65, 2.44) p = 0.49	1.68 (0.75, 3.77) p = 0.21
Trait anxiety (≤30 vs. >30)	0.61 (0.32, 1.17) p = 0.13	0.36 (0.16, 0.82) p = 0.015
Education		1.01 (0.93, 1.10) p = 0.81
MMSE		0.75 (0.64, 0.87) p < 0.001
HAM-D		1.01 (0.92, 1.10) p = 0.86