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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Addict Behav. 2015 Jul 17;51:57–64. doi: 10.1016/j.addbeh.2015.07.006

Table 3a.

Unadjusted analyses of problem-gambling severity and substance use, Internet gambling and gambling partners.

Variable Gambles on School Ground (GS+) Does Not Gamble on School Ground (GS-)
Recreational Gambling ARPG X2 p Recreational Gambling ARPG X2 p
N % N % N % N %
Substance Use
 Smoking 2.11 .35 4.77 .09
  Never 161 47.3 180 43.0 587 62.6 126 17.7
  Occasionally 103 30.3 128 30.5 230 24.5 67 22.6
  Regularly 76 22.4 111 26.5 121 12.9 37 23.4
 Marijuana 2.80 .09 0.34 .56
  Ever 192 58.0 260 64.0 335 37.4 85 39.5
 Alcohol 2.23 .53 1.21 .75
  Never regular 62 24.2 62 21.0 197 31.9 40 28.5
  Light 57 22.3 69 23.3 184 29.8 48 34.3
  Moderate 92 35.9 100 33.8 170 27.5 38 27.1
  Heavy 45 17.6 65 22.0 66 10.7 14 10.0
  Other drug 5.45 .02 5.42 .02
  Ever 50 19.5 93 27.8 57 7.55 23 13.0
Internet Gambling 91 25.8 196 45.0 30.99 <.0001 81 8.4 41 16.9 15.75 <.0001
Gambling Partners
 Family 183 51.4 233 52.7 .14 .71 365 37.4 128 52.9 19.32 <.0001
 Friends 326 91.2 369 83.5 11.48 .0007 556 57.0 176 72.7 20.1 <.0001
 Other adults 99 27.8 180 40.7 14.46 .0001 142 14.6 66 27.3 22.17 <.0001
 Strangers 27 7.6 115 26.0 45.81 <.0001 18 1.8 15 6.2 13.95 .0002
 Alone 26 7.3 87 19.7 24.86 <.0001 35 3.6 27 11.2 23.01 <.0001

ARPG = At-Risk/Problematic Gambling