Table 1

Factors associated with alcohol and drug use during unprotected anal intercourse in the previous 12 months: n, row % (n=639)

Drunk on alcoholUsed poppersUsed stimulant or recreational/illicit drugsUsed Viagra
Never, n (%)Always/sometimes,
n (%)
p ValueNever,
n (%)
Always/sometimes,
n (%)
p ValueNever,
n (%)
Always/sometimes,
n (%)
p ValueNever,
n (%)
Always/sometimes,
n (%)
p Value
Overall142 (22.2)497 (77.8)407 (63.7)232 (36.3)497 (77.8)142 (22.2)549 (85.9)90 (14.1)
Survey location
 Edinburgh66 (24.3)206 (75.7)0.285168 (61.8)104 (38.2)0.383216 (79.4)56 (20.6)0.392234 (86.0)38 (14.0)0.943
 Glasgow76 (20.7)291 (79.3)239 (65.1)128 (34.9)281 (76.6)86 (23.4)315 (85.8)52 (14.2)
Sexual orientation
 Gay133 (22.1)469 (77.9)0.844382 (63.5)220 (36.5)0.621472 (78.4)130 (21.6)0.284520 (86.4)82 (13.6)0.255
 Bisexual8 (23.5)26 (76.5)23 (67.6)11 (32.4)24 (70.6)10 (29.4)27 (79.4)7 (20.6)
Age (years)
 16–2543 (18.5)189 (81.5)<0.001163 (70.3)69 (29.7)0.035180 (77.6)52 (22.4)0.167222 (95.7)10 (4.3)<0.001
 26–3538 (17.3)182 (82.7)138 (62.7)82 (37.3)172 (78.2)48 (21.8)196 (89.1)24 (10.9)
 36–4536 (29.0)88 (71.0)70 (56.5)54 (43.5)90 (72.6)34 (27.4)88 (71.0)36 (29.0)
 45+25 (40.3)37 (59.7)35 (56.5)27 (43.5)54 (87.1)8 (12.9)42 (67.7)20 (32.3)
Area of residence
 Elsewhere46 (31.7)99 (68.3)0.00191 (62.8)54 (37.2)0.763121 (83.4)24 (16.6)0.072126 (86.9)19 (13.1)0.617
 Glasgow/Edinburgh90 (19.0)384 (81.0)304 (64.1)170 (35.9)362 (76.4)112 (23.6)404 (85.2)70 (14.8)
Employment
 Employed114 (22.2)399 (77.8)1.00319 (62.2)194 (37.8)0.109404 (78.8)109 (21.2)0.232437 (85.2)76 (14.8)0.284
 Other28 (22.2)98 (77.8)88 (69.8)38 (30.2)93 (73.8)33 (26.2)112 (88.9)14 (11.1)
Education
 Secondary20 (21.1)75 (78.9)0.86065 (68.4)30 (31.6)0.56172 (75.8)23 (24.2)0.83781 (85.3)14 (14.7)0.262
 Further/vocational48 (20.8)183 (79.2)147 (63.6)84 (36.4)182 (78.8)49 (21.2)206 (89.2)25 (10.8)
 Degree/postgraduate62 (22.7)211 (77.3)170 (62.3)103 (37.7)212 (77.7)61 (22.3)230 (84.2)43 (15.8)
Frequency of gay scene use
 Once a month or less56 (32.6)116 (67.4)<0.001117 (68.0)55 (32.0)0.299143 (83.1)29 (16.9)0.071140 (81.4)32 (18.6)0.084
 2–3 times a month34 (21.7)123 (78.3)94 (59.9)63 (40.1)124 (79.0)33 (21.0)141 (89.8)16 (10.2)
 Once or more a week52 (16.8)258 (83.2)196 (63.2)114 (36.8)230 (74.2)80 (25.8)268 (86.5)42 (13.5)
HIV treatment optimism 1*
 Agree32 (25.0)96 (75.0)0.40980 (62.5)48 (37.5)0.82795 (74.2)33 (25.8)0.287103 (80.5)25 (19.5)0.045
 Uncertain/disagree106 (21.6)385 (78.4)312 (63.5)179 (36.5)386 (78.6)105 (21.4)429 (87.4)62 (12.6)
HIV treatment optimism 2*
 Agree21 (25.3)62 (74.7)0.47953 (63.9)30 (36.1)0.91558 (69.9)25 (30.1)0.06665 (78.3)18 (21.7)0.032
 Uncertain/disagree117 (21.8)419 (78.2)339 (63.2)197 (36.8)423 (78.9)113 (21.1)467 (87.1)69 (12.9)
Had either an HIV or STI test in previous 12 months
 No56 (24.1)176 (75.9)0.354150 (64.7)82 (35.3)0.749189 (81.5)43 (18.5)0.083204 (87.9)28 (12.1)0.322
 Yes83 (21.0)313 (79.0)251 (63.4)145 (36.6)299 (75.5)97 (24.5)337 (85.1)59 (14.9)
HIV status (from saliva test)
 HIV−116 (22.1)408 (77.9)0.945342 (65.3)182 (34.7)0.049420 (80.2)104 (19.8)<0.001461 (88.0)63 (12.0)<0.001
 HIV+6 (25.0)18 (75.0)10 (41.7)14 (58.3)11 (45.8)13 (54.2)12 (50.0)12 (50.0)
 Did not provide oral fluid specimen20 (22.0)71 (78.0)55 (60.4)36 (39.6)66 (72.5)25 (27.5)76 (83.5)15 (16.5)
  • *HIV treatment optimism 1—‘I am less worried about HIV infection now that treatments have improved’, HIV treatment optimism 2—‘I believe that new drug therapies make people with HIV less infectious’.