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. 2015 Aug 19;10(8):e0133646. doi: 10.1371/journal.pone.0133646

Table 2. Weighted distribution of sociodemographic and drug use characteristics according to sex and BrAC measured at nightclub exits among patrons in São Paulo, Brazil–“Balada com Ciência” portal survey (N = 664 drinkers).

MEN WOMEN
BrAC § 0.01–0.37 mg/L BrAC≥0.38 mg/L BrAC 0.01–0.37 mg/L BrAC≥0.38 mg/L
(no binge drinking) (binge drinking) (no binge drinking) (binge drinking)
Variables Categories (N = 197) (N = 205) p-value* (N = 124) (N = 116) p-value*
Age < = 24 52.9 54.4 0.878 56.4 62.2 0.454
25–34 34.6 35.2 38.2 30.8
35–44 8.7 8.3 5.5 6.0
45+ 3.8 2.1 0 1.0
Marital status Single 90.6 94.9 0.400 94.4 93.3 0.833
Married 6.3 3.9 3.7 5.3
Others 3.1 1.2 1.9 1.5
Education Middle school 3.2 2.1 0.892 3.7 4.2 0.181
High school 52.4 54.5 54.7 63.8
College 34.2 34.2 34.6 20.5
Graduation 10.3 9.2 7.0 11.5
Socioeconomic Status ¥ A 33.9 30.5 0.253 24.7 23.0 0.496
B 51.2 57.7 62.8 58.5
C 14.9 10.7 11.9 16.5
D/E 0 1.1 0.6 2.0
Illicit drug use inside nightclub No 66.4 57.8 0.120 81.4 67.6 0.052
Yes 33.6 42.2 18.6 32.4

¥ Socioeconomic status classification by ABEP [37].

* Rao-Scott chi-square test [40].

§ BrAC—Breath alcohol concentration.