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Table 2 Means and standard deviations of baseline measures, and group differences at baseline.

From: Effects of a parental program for preventing underage drinking - The NGO program strong and clear

  Intervention Group Comparison Group t p
  Mean STD Mean STD   
Mother's education 2.00 .96 1.82 1.03 2.12 .04
Father's education 1.70 1.02 1.56 1.00 -1.77 .08
Parents' attitudes 2.83 .42 2.81 .41 -.53 .60
Parents' behaviors 2.30 .55 2.33 .58 .50 .62
Youth drinking .15 .36 .19 .40 1.24 .22
Youth drunkenness .04 .48 .08 .59 1.69 .09
  1. STD: Standard deviation