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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Drug Alcohol Depend. 2011 Aug 31;121(1-2):23–29. doi: 10.1016/j.drugalcdep.2011.08.005

Table 3.

RDS analysis: Sample characteristics.

Variables Gender Ethnicity Age
Male Female White African
Amer.		 Other 18–20
years
old		 21–23
years
old
Recruits 189 160 175 153 21 143 206
Total sample, with seeds (ps), % 54.5 45.5 49.7 44.2 6.1 40.9 59.1
Equilibrium sample (pe), % 54.0 46.0 57.0 36.7 6.3 41.5 58.5
Population estimates (P), % C.I., 95%) 49.4
(41.1,
57.8)		 50.6
(42.2,
59.0)		 48.4
(33.4,
64.7)		 45.9
(29.1,
61.6)		 5.7
(2.9,
8.6)		 39.9
(32.7,
47.2)		 60.1
(52.8,
67.3)
Mean network size (unadjusted) 30.1 19.5 30.6 18.7 27.3 25.6 25.0
Homophily 0.39 0.26 0.79 0.80 0.21 0.26 0.21
Populations weights 0.906 1.113