Table 2.

Socio-demographic Composition of Whole Sample and Individual Clusters

Socio-Demographic Characteristic	Whole Sample N = 1730	Unplugged	Concentrated Dabblers	Diffuse Dabblers	Connected	Wired	Pa
	%	%	%	%	%	%
Age, years (M, SD)	25.5 (3.8)	26.4 (3.5)	25.9 (3.7)	25.5 (3.9)	23.8 (3.7)	25.5 (3.8)	< .001
Sex							.02
Women	50.8	39.6	51.7	50.0	59.7	57.5
Race/Ethnicity							.32
White, Non-Hispanic	57.1	58.2	55.8	60.8	55.3	51.6
Black, Non-Hispanic	13.2	17.1	14.1	7.9	18.1	12.8
Hispanic	20.5	16.2	23.1	20.4	20.4	22.9
Otherb	9.1	8.4	7.1	10.9	6.2	12.6
Relationship Status							.15
Single	44.3	36.8	45.2	44.7	53.1	43.2
Living Situation							.07
Friends	17.6	9.9	17.2	19.9	22.8	18.2
Significant Other	35.6	42.6	36.0	36.0	23.5	37.2
Parent/Guardian	33.6	31.5	35.7	30.3	37.4	36.4
Alone	13.2	16.0	11.1	13.8	16.2	8.2
Education							<.001
High School or Less	34.9	32.7	48.0	23.6	30.3	46.6
Some College	38.9	41.6	34.6	40.2	44.5	33.2
Bachelor’s Degree or Higher	26.2	25.7	17.4	36.2	25.2	20.2
Household Income							<.001
Low (< $30,000)	22.9	21.8	32.3	16.9	16.0	30.0
Medium ($30,000–$74,999)	38.1	36.9	46.8	35.1	39.2	30.8
High (≥$75,000)	39.0	41.3	20.9	48.1	44.9	39.2

Note.

^ap value derived using Chi-square tests for independence comparing categorical socio-demographic characteristics and cluster membership and analysis of variance (ANOVA) for comparing age across clusters.

^bIncluded multi-racial