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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Addiction. 2013 Jan 30;108(5):900–909. doi: 10.1111/add.12093

Table 1.

Baseline and Demographic Information by Treatment Condition

Variables Monitoring

Only
Monitoring
Plus CM
Statistic (df)
N 15 15
Age (mean, SD) 44.5 (14.3) 34.2 (10.4) F (1, 28) = 5.14*
Female (n) 60.0% (9) 66.7% (10) χ2 (1) = 0.14
Non-Hispanic Ethnicity (n) 93.3% (14) 86.7% (13) χ2 (1) = 0.37
Race (n) χ2 (4) = 2.10
  African American 6.7% (1) 6.7% (1)
  Caucasian 80.0% (12) 60.0% (9)
  Native American 0.0% (0) 6.7% (1)
  Asian 6.7% (1) 13.3% (2)
  More than one race 6.7% (1) 13.3% (2)
Marital Status (n) χ2 (4) = 7.55
  Never Married 26.7% (4) 66.7% (10)
  Remarried 0.0% (0) 6.7% (1)
  Divorced 20.0% (3) 13.3% (2)
  Married 46.7% (7) 13.3% (2)
  Cohabitating 6.7% (1) 0.0% (0)
Employment, Past 3 years (n) χ2 (4) = 4.18
  Full-time 80.0% (12) 66.7% (10)
  Part-time – regular hours 13.3% (2) 13.3% (2)
  Part-time – irregular hours 0.0% (0) 6.7% (1)
  Student 0.0% (0) 13.3% (2)
  Retired or Disability 6.7% (1) 0.0% (0)
Net Income, Past month
  (mean, SD)
$2720 ($1792) $1753 ($1384) F (1, 28) = 2.74
Education, years (mean, SD) 16.7 (1.8) 14.9 (2.3) F (1, 28) = 5.88*
Alcohol Abuse (n) 60.0% (9) 60.0% (9) χ2 (1) = 0.00
Alcohol Dependence (n) 33.3% (5) 53.3% (8) χ2 (1) = 1.22
Substance Use, Past 30 Days
  Days of Alcohol Use (mean,
SD)
24.2 (5.2) 23.4 (4.6) F (1, 28) = .20
  Drinks per Drinking Day
    (mean, SD)
4.4 (3.2) 4.2 (1.9) F (1, 28) = 0.07
  Days of Cocaine Use
(median, interquartile range)
0.00 (0.0) 0 (0.0) U = 105.0
  Days of Marijuana Use
(median, interquartile range)
0.00 (0.0) 0.00 (0) U = 99.0
ASI Alcohol score (mean, SD) 0.32 (0.09) 0.38 (.11) F (1, 28) = 2.97
DrInC scorea (mean, SD) 65.0 (10.7) 73.1 (9.0) F (1, 28) = 5.04*

Note. An asterisk indicates a p-value < 0.05.

a

Drinker Inventory of Consequences.

HHS Vulnerability Disclosure