Table 2.

Coefficients for environmental parameters of mixed effects model assessing steps per day (all days, hot days, and cold days).

	Environmental Parameter	Coefficient	95% CI		p value
All days	Temperature per ˚C	43	-7	93	0.093
	Rain (binary)	-796	-1080	-512	< 0.001
	PM10 per 10 µg/m3	-96	-182	-9	0.030
	PM2.5 per 10 µg/m3	69	-286	423	0.711
Hot days1	Temperature per ˚C	-204	-349	-58	0.006
	Rain (binary)	595	-861	2051	0.423
	PM10 per 10 µg/m3	197	-181	576	0.307
	PM2.5 per 10 µg/m3	-33	-671	604	0.919
Cold days2	Temperature per ˚C	298	129	467	0.001
	Rain (binary)	-1215	-1749	-680	< 0.001
	PM10 per 10 µg/m3	-199	-328	-71	0.002
	PM2.5 per 10 µg/m3	281	-755	1317	0.595

CI confidence interval, p-value probability value, PM₁₀ particulate matter 10 micrometers and smaller, PM_2.5 particulate matter 2.5 micrometers and smaller.

¹Hot days refer to days > 80th percentile temperature for each country.

²Cold days refer to days < 20th percentile temperature.