Table 3. Association of month-to-month changes in steps per day with month-to-month changes in blood pressure^a .

	Normal weight (n = 2235)		Overweight (n = 3903)		Obese (n = 3097)
	β	P	β	P	β	P
Systolic blood pressure
Decrease of more than 3000 steps per day	0.84	0.60	0.43	0.09	0.30	0.40
Decrease between 3000 and 1000 steps per day	0.32	0.02	0.08	0.54	0.17	0.31
Change between -1000 and 1000 steps per day	0 (Ref.)		0 (Ref.)		0 (Ref.)
Increase between 1000 and 3000 steps per day	0.00	0.99	-0.20	0.14	-0.33	0.05
Increase of more than 3000 steps per day	-0.14	0.60	-0.79	0.001	-1.57	<0.0001
P for trend	0.001		0.001		<0.0001
Diastolic blood pressure
Decrease of more than 3000 steps per day	0.54	0.002	0.26	0.12	0.14	0.57
Decrease between 3000 and 1000 steps per day	0.28	0.003	0.13	0.15	0.27	0.02
Change between -1000 and 1000 steps per day	0 (Ref.)		0 (Ref.)		0 (Ref.)
Increase between 1000 and 3000 steps per day	-0.05	0.65	-0.20	0.02	-0.35	0.003
Increase of more than 3000 steps per day	-0.16	0.36	-0.84	<.0001	-1.29	<0.0001
P for trend	<0.0001		<0.0001		<0.0001

^aModels were adjusted on age, sex, the number of day where the tracker was worn, monthly blood pressure measurements and daily blood pressure measurements for days with at least one blood pressure measurement. Bold text indicates statistical significance.