. 2012 Mar 1;67(9):977–983. doi: 10.1093/gerona/glr245

Table 2.

Association of Blood Pressure and Mortality, Stratified by Self-reported Walking Speed

	Slow Walkers (n = 465)		Medium Walkers (n = 816)		Fast Walkers (n = 281)		p Value for interaction^*	p Value for pairwise interaction
	HR^† (95% CI)	p Value	HR^† (95% CI)	p Value	HR^† (95% CI)	p Value	p Value for interaction^*	p Value for pairwise interaction
Systolic blood pressure (10 mmHg^‡)	0.96 (0.89, 1.02)	.18	1.00 (0.93, 1.08)	.95	1.29 (1.08, 1.55)	.005	.004	Ref (slow)
								.50 (med)
								<.001 (fast)
Diastolic blood pressure (10 mmHg^‡)	0.89 (0.78, 1.02)	.09	1.00 (0.88, 1.15)	.97	1.20 (0.82, 1.76)	.35	.11	Ref (slow)
								.16 (med)
								.06 (fast)

Notes: CI = confidence interval; HR = hazard ratio.

For blood pressure by walking speed.

^†

Adjusted for age, gender, cognitive function, creatinine, interleukin-6, diabetes medication use.

^‡

HRs are modeled per 10 mmHg higher blood pressure.