Use of SOPARC to assess physical activity in parks: do race/ethnicity, contextual conditions, and settings of the target area, affect reliability?

Table 2 Agreement rate differences between two observers assessing race/ethnicity and physical activity

	Obs.	Difference btw. Means^a	t	Std. Dev.	95% CI	p-value
Race/ethnicity
Asian American vs. Latino	3390	0.24	23.198	0.60	0.22; 0.26	< 0.001
Asian American vs. African American (AA)	3390	0.13	11.408	0.68	0.11; 0.16	< 0.001
Latino vs. AA	3390	−0.10	−11.362	0.53	−0.12; − 0.09	< 0.001
Physical activity
Sedentary vs. Moderate	3390	0.12	13.322	0.53	0.1; 0.14	< 0.001
Sedentary vs. Vigorous	3390	−0.05	−4.850	0.63	−0.07; − 0.03	< 0.001
Moderate vs. Vigorous	3390	− 0.17	− 18.832	0.54	− 0.19; − 0.16	< 0.001
Race/ethnicity x physical activity
Asian Sedentary vs. Latino Sedentary	3390	0.11	10.647	0.62	0.09; 0.13	< 0.001
Asian Moderate vs. Latino Moderate	3390	0.16	13.823	0.66	0.14; 0.18	< 0.001
Asian Vigorous vs. Latino Vigorous	3390	0.52	5.538	0.50	0.5; 0.54	< 0.001
Asian Sedentary vs. AA Sedentary	3390	0.00	0.217	0.63	−0.02; 0.02	0.828
Asian Moderate vs. AA Moderate	3390	0.02	1.918	0.69	0; 0.05	0.055
Asian Vigorous vs. AA Vigorous	3390	−0.04	−3.903	0.56	−0.06; − 0.02	< 0.001
Latino Sedentary vs. AA Sedentary	3390	− 0.11	−11.801	0.55	− 0.13; − 0.09	< 0.001
Latino Moderate vs. AA Moderate	3390	− 0.13	−13.216	0.59	− 0.15; − 0.11	< 0.001
Latino Vigorous vs. AA Vigorous	3390	− 0.09	−10.471	0.52	− 0.11; − 0.08	< 0.001

^aPaired sample t-test comparing the rate of agreement between observers when assessing the first variable vs the second one

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