From: Assessing seasonality of travel distance to harm reduction service providers among persons who inject drugs
Season
Exchanges used in distance calculations
Mean walking distance (miles)
Standard deviation
Range
Spring
8,478
2.88
2.07
11.4
Summer
8,694
2.85
1.99
Fall
9,273
2.83
1.94
Winter
7,514
2.77
1.98
11.9