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. Author manuscript; available in PMC: 2018 Feb 23.
Published in final edited form as: Am J Drug Alcohol Abuse. 2010 Jan;36(1):39–45. doi: 10.3109/00952990903544836

TABLE 2.

Group Behavioral Differences (<90 days.)

Males Females t df P
M SD M SD
Drinking days 33.71 25.41 24.75 21.41 3.31 272 0.001
Binge Drinking days 18.89 21.44 14.38 16.3 2.04 253 0.042
Average% of Drinking Days that are Binge Days 0.52 0.36 0.52 0.38 0.14 304 0.889
n % n % χ2 df P
At least one day of binge drinking 126 90.6 138 82.6 4.11 1 0.043
Sex while not inebriated 111 79.3 125 74.9 0.843 1 0.359
Sex after drinking 98 70 93 55.7 6.64 1 0.01
Been “less safe than I wanted during sex because I had been drinking” 29 29.6 27 29 0.007 1 0.932
Heterosexual Gay/Lesbian/Bisexual t df P
M SD M SD
Drinking days 28.36 23.22 33.23 27.84 −1.07 305 0.286
Binge Drinking days 16.3 18.67 17.63 21.31 −0.365 304 0.715
Average% of Drinking Days that are Binge Days 0.52 0.37 0.49 0.37 0.363 304 0.717
n % n % χ2 df P
At least one day of binge drinking 238 86.2 26 86.7 0.004 1 0.948
Sex while not inebriated 210 75.8 26 23.1 1.79 1 0.18
Sex after drinking 173 62.5 18 60 0.069 1 0.792
Been “less safe than I wanted during sex because I had been drinking” 53 30.6 3 16.7 1.54 1 0.215
Whites People of Color t df P
M SD M SD
Drinking days 31.36 24.81 24.62 21.17 2.53 269 0.012
Binge Drinking days 17.75 19.03 14.23 18.58 1.57 304 0.116
Average% of Drinking Days that are Binge Days 0.53 0.36 0.51 0.39 0.435 304 0.116
n % n % χ2 df P
At least one day of binge drinking 170 88.5 94 82.5 2.24 1 0.135
Sex while not inebriated 148 76.7 88 77.2 0.01 1 0.919
Sex after drinking 119 61.7 72 63.2 0.069 1 0.793
Been “less safe than I wanted during sex because I had been drinking” 38 31.9 18 25 1.04 1 0.308
Binge Drinkers Non-Binge Drinkers t df P
M SD M SD
Drinking days 31.6 23.57 10.74 14.85 −7.69 78.47 <.001
n % n % χ2 df P
Sex while not inebriated 203 76.9 32 76.2 0.01 1 0.92
Sex after drinking 180 68.2 11 26.2 27.24 1 <.001
Been “less safe than I wanted during sex because I had been drinking” 55 30.6 1 9.1 2.31 1 0.129
18–24 year olds 25–29 year olds t df P
M SD M SD
Drinking days 26.62 23 21.45 24.33 −1.78 305 0.075
Binge Drinking days 15.27 17.93 17.81 19.99 −1.17 304 0.242
Average % of Drinking Days that are Binge Days 0.53 0.38 0.51 0.35 0.647 304 0.518
n % n % χ2 df P
At least one day of binge drinking 144 86.7 120 85.7 0.068 1 0.794
Sex while not inebriated 115 72.5 121 82.1 4.02 1 0.057
Sex after drinking 102 61.1 89 63.6 0.201 1 0.723
Been “less safe than I wanted during sex because I had been drinking” 38 37.3 18 20.2 6.65 1 0.011