Table 4. Difference in Effect of Baseline Daily Steps (Per 1,000 Step Increase) on Mortality by Participant Characteristics.

	Participants in group	Deaths
Factor	No. (%)	No. (% of group)	HR (95% CI) a	Heterogeneity P value b
Sex
Male	1 226 (47.6)	136 (11.1)	0.92 (0.88–0.97)
Female	1 350 (52.4)	83 (6.2)	0.96 (0.90–1.03)	0.30
Age
Lower median age (25 to 60)	1 327 (51.5)	48 (3.6)	0.93 (0.87–0.99)
Higher median age (61 to 86)	1 249 (48.5)	171 (13.7)	0.88 (0.84–0.93)	0.22
Smoking status a
Non-smoker	2 251 (87.6)	184 (8.2)	0.94 (0.90–0.98)	0.15
Current smoker	319 (12.4)	33 (10.3)	0.97 (0.89–1.07)
Alcoholic drinks per day a
Lower than median (6.4) alcoholic drinks per day	1 257 (50.0)	123 (9.8)	0.92 (0.87–0.98)
Higher alcoholic drinks per day (6.4 or more)	1 256 (50.0)	92 (7.3)	0.96 (0.91–1.02)	0.09
BMI status a
Normal weight	824 (32.1)	78 (9.5)	0.91 (0.85–0.98)
Overweight	1 132 (44.1)	94 (8.3)	0.94 (0.88–1.00)
Obese	612 (23.8)	45 (7.4)	0.91 (0.83–1.01)	0.93
Ever had stroke a
Yes	74 (4.8)	16 (21.6)	1.14 (0.78–1.68)
No	1 456 (95.2)	124 (8.5)	0.97 (0.92–1.02)	0.15
Ever had myocardial infarction a
Yes	195 (7.6)	60 (30.8)	0.88 (0.80–0.98)
No	2 370 (92.4)	157 (6.6)	0.98 (0.93–1.02)	0.11
Ever had hypertension a
Yes	930 (36.2)	108 (11.61)	0.95 (0.90–1.00)
No	1 637 (63.8)	110 (6.7)	0.95 (0.90–1.00)	0.31
Ever had diabetes a
Yes	162 (6.3)	36 (22.2)	0.86 (0.75–1.00)
No	2 410 (93.7)	183 (7.6)	0.96 (0.92–1.00)	0.13
Any risk factors a c
Yes	1 515 (69.9)	164 (10.8)	0.95 (0.90–0.99)
No	652 (30.1)	35 (5.4)	0.89 (0.78–1.01)	0.25

^a HR takes age and sex into account

^b Difference in effect of baseline daily steps on mortality across categories of the factor.

^c Any risk factors, refers to any of the diseases listed in this Table.