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

Table 3.

Association of Blood Pressure and Cardiovascular 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^‡)	0.95 (0.87, 1.05)	.31	1.11 (0.98, 1.25)	.09	1.28 (0.95, 1.71)	.11	.11	Ref (slow)
								.13 (med)
								.07 (fast)
Diastolic blood pressure (10 mmHg^‡)	0.85 (0.70, 1.03)	.09	1.05 (0.85, 1.29)	.66	1.16 (0.59, 2.26)	.67	.24	Ref (slow)
								.18 (med)
								.21 (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.