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. Author manuscript; available in PMC: 2011 Nov 17.
Published in final edited form as: Eval Rev. 2011 Sep 1;35(4):428–451. doi: 10.1177/0193841X11419314

Table 5. Weekend Drug Use and Unprotected Anal Sex by mode of follow-up.

Total In-Person Online p
N (Column %) N (Column %) N (Column %)
Total 232 147 85
Ecstasy 97 (41.8) 58 (39.5) 39 (45.9) 0.339
Ketamine 31 (13.4) 19 (12.9) 12 (14.1) 0.797
Alcohol 197 (84.9) 130 (88.4) 67 (78.8) 0.049
Alcohol (Binge)* 74 (60.7) 53 (60.9) 21 (60.0) 0.925
Crystal meth 17 (7.3) 8 (5.4) 9 (10.6) 0.147
GHB or GBL 42 (18.1) 22 (15.0) 20 (23.5) 0.103
Marijuana 46 (19.8) 27 (18.4) 19 (22.4) 0.463
Cocaine or Crack 57 (24.6) 36 (24.5) 21 (24.7) 0.971
Recreational ED Meds 41 (17.7) 22 (15.0) 19 (22.4) 0.155
Poppers 29 (12.5) 17 (11.6) 12 (14.1) 0.571
Psychedelics 0 (0) 0 (0.0) 0 (0.0) -na-
Unprotected Anal Sex 28 (12.1) 14 (9.5) 14 (16.5) 0.118
*

Binge drinking was only asked at the Northeast event.