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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 4. Intentions for Weekend Drugs and Unprotected Anal Sex (as reported at baseline) by follow-up status.

Total No Follow-Up Follow-Up p
N (Column %) N (Column %) N (Column %)
Total 489 257 232
Ecstasy 215 (44.0) 118 (45.9) 97 (41.8) 0.361
Ketamine 71 (14.5) 50 (19.5) 21 (9.1) 0.001
Alcohol 406 (83.0) 207 (80.5) 199 (85.8) 0.124
Alcohol (Binge)* 125 (52.3) 59 (50.4) 66 (54.1) 0.570
Crystal meth 34 (7.0) 20 (7.8) 14 (6.0) 0.448
GHB or GBL 97 (19.8) 61 (23.7) 36 (15.5) 0.023
Marijuana 107 (21.9) 59 (23.0) 48 (20.7) 0.545
Cocaine or Crack 107 (21.9) 69 (26.8) 38 (16.4) 0.005
Recreational ED Meds 105 (21.5) 56 (21.8) 49 (21.1) 0.857
Poppers 87 (17.8) 54 (21.0) 33 (14.2) 0.050
Psychedelics 10 (2.0) 7 (2.7) 3 (1.3) 0.264
Unprotected Anal Sex 89 (18.2) 44 (17.1) 45 (19.4) 0.515

Drug use intentions were defined as reporting “very likely” or “somewhat likely” to use each of the listed class of drugs. Unprotected anal sex intention was defined as reporting “not very likely,” “somewhat unlikely,” or “somewhat unlikely” to a question about the likelihood of using a condom every time respondent had sex over the weekend with a non-regular sex partner.

*

Binge drinking was only asked at the Northeast event.