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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Contemp Clin Trials. 2013 May 7;35(2):87–96. doi: 10.1016/j.cct.2013.04.010

Table Three.

Baseline Comparisons

Frequency (%) Mean (S.D.)

Intervention Control Intervention Control
Sex - χ2 (1) = 0.06, p > 0.05
  Men 251 (50%) 250 (49%)
  Women 249 (50%) 256 (51%)

Race - χ2 (2) = 2.20, p > 0.05
  White 355 (71%) 355 (70%)
  Black/African American 119 (24%) 133 (26%)

Ethnicity- χ2 (2) = 2.87, p > 0.05
  Hispanic or Latino 82 (17%) 73 (15%)

Location - χ2 (3) = 7.37, p > 0.05
  UMass University 259 (52%) 247 (49%)
  UMass Memorial 3 (1%) 13 (3%)
  Cooper Hospital 234 (47%) 239 (47%)
  Marlborough Hospital 4 (1%) 7 (1%)

Substance Use a
 Tobacco Use Only – t (425) = −0.34, p > 0.05
   Baseline HSI Score 2.43 (1.40) 2.47 (1.39)
 Alcohol (Overall) – t (210) = −1.18, p > 0.05
   Baseline AUDIT Summary Score 10.38 (5.37) 11.45 (7.45)
 Drugs (Overall) – t (365) = −1.19, p > 0.05
   Baseline DAST-10 Summary Score 3.40 (2.52) 3.73 (2.70)
a

Comparisons made within participants enrolled in each substance class (e.g., tobacco intervention participants vs. tobacco control participants).