TABLE 2

Descriptive Statistics at Baseline, and Attrition Analysis, %

Baseline Nonsusceptible Never-Drinkers (n = 2706)Lost to Follow-Up (n = 380)Analyzed Sample (n = 2326)Lost to Follow-Up Versus Analyzed Sample P
Country
  Germany21.721.821.6 (n = 503)<.01
  Iceland35.436.835.2 (n = 819)
  Italy12.98.713.6 (n = 315)
  Netherlands4.23.44.3 (n = 101)
  Poland15.120.314.3 (n = 332)
 Scotland10.78.911.0 (n = 256)
Sociodemographics
 Age at baseline (y), M (SD)12.91 (1.10)13.18 (1.15)12.86 (1.08)<.001
 Gender
  Female53.950.054.6.101
  Male46.150.045.5
 Family affluence
  Low9.211.38.9.198
  Medium36.637.936.3
  High54.250.854.8
Personal Characteristics
 School performance
  Below average4.03.76.4<.01
  Average25.524.829.6
  Good44.745.142.3
  Excellent25.826.421.7
 TV screen time per day (h), M (SD)1.92 (0.84)1.91 (0.89)1.92 (0.83).746
 Sensation seeking and rebelliousness, M (SD)0.81 (0.62)0.92 (0.70)0.79 (0.60)<.001
 Exposure to alcohol use in movies, M (SD)3707 (2472)4037 (2590)3653 (2448).005
Social Environment
 Peer drinking
  None71.363.372.7<.01
  A few17.922.417.1
  Some8.511.97.9
  Most or all2.32.42.3
 Mother figure drinking
  Never37.039.336.6.682
  Seldom55.752.856.2
  Often but not every day6.67.26.5
  Every day0.70.80.7
 Father figure drinking
  Never26.431.925.6<.05
  Seldom57.451.358.4
  Often but not every day13.814.913.6
  Every day2.41.92.5
 Any sibling drinking
  No81.276.382.0<.01
  Yes18.823.718.0