Table 1.

Descriptive Statistics for Study Variables by Respondent Race.

	White Youth (n=363)			Black Youth (n=295)
	EMA			EMA
	n	Mean	SD	n	Mean	SD	Min.	Max.
EMA Safety Perceptions	5876			4923
Strongly Disagree		0.01	-		0.01	-	0	1
Disagree		0.01	-		0.01	-	0	1
Neither Agree nor Disagree		0.06	-		0.09	-	0	1
Agree		0.23	-		0.22	-	0	1
Strongly Agree		0.70	-		0.66	-	0	1
Within 30 meters of home	5876	0.72	-	4923	0.68	-	0	1
Hours since 12am (6–22.5)	5876	16.24	4.43	4923	16.05	4.59	6.67	22.47
School day (vs. non-school day, holiday)	5876	0.47	-	4923	0.50	-	0	1
BG SES (z-scores)	5876	0.63	0.96	4923	−0.66	0.76	−2.44	1.99
BG violent crime rates, last 180 days	5876	1.77	3.06	4923	5.25	6.38	0.00	66.67
BG >=70% white	5876	0.77	-	4923	0.17	-	0	1
Youth-level week mean %white	5876	0.78	0.17	4923	0.37	0.21	0.02	0.93

Note: EMA = Ecological Momentary Assessment; BG = Block Group; SES = Socioeconomic Status.