Table 3.

Blood pressure levels by frequency of forest walking: analysis stratified by sex and hypertension medication

	Frequency of forest walking
	Once a week or more		Two or three times per month		Once a month		Less than once a month		Trend pb)	Age-adjusted Pc)
	n	Mean ± SDa)	n	Mean ± SD	n	Mean ± SD	n	Mean ± SD
Systolic blood pressure
Men
Medication for hypertension
(–)	34	128.4 ± 19.2	61	129.6 ± 17.3	83	127.9 ± 19.6	1,035	124.0 ± 18.0	0.004	0.59
(+)	6	143.3 ± 15.9	18	136.2 ± 19.8	18	138.6 ± 18.2	197	136.7 ± 18.3	0.57	0.90
Women
Medication for hypertension
(–)	39	118.3 ± 17.7	90	118.6 ± 20.2	165	116.0 ± 17.8	3,078	112.2 ± 17.4	<0.001	0.31
(+)	9	146.3 ± 18.4	10	137.0 ± 9.4	18	140.9 ± 17.6	248	133.5 ± 19.5	0.02	0.14
Diastolic blood pressure
Men
Medication for hypertension
(–)	34	77.9 ± 11.5	61	81.0 ± 12.9	83	81.3 ± 12.2	1,035	77.6 ± 12.3	0.04	0.07
(+)	6	83.9 ± 5.1	18	80.4 ± 12.4	18	85.7 ± 11.6	197	82.7 ± 11.6	0.91	0.50
Women
Medication for hypertension
(–)	39	71.2 ± 11.7	90	70.5 ± 11.8	165	69.3 ± 10.2	3,078	68.6 ± 11.0	0.03	0.59
(+)	9	82.7 ± 10.5	10	80.7 ± 11.0	18	80.9 ± 13.0	248	78.7 ± 11.2	0.19	0.38

^a)Standard deviation

^b)Linear regression model

^c)General linear model