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Table 1 Demographic characteristics of the participants

From: The psychological well-being of Norwegian adolescents exposed in utero to radiation from the Chernobyl accident

  Responders (N= 53) Nonresponders (N= 31)    
  N/N N/N χ 2 df, N P
Sex (M/F) 27/26 14/17 0.3 1,84 .656
Hand dominance (R/L) 46/7 29/2 0.9 1,84 .474
Psychological disorder (Y/N) 3/50 4/26 1.5 1,83 .274
  M (SD) M (SD) t Df P
Age (years) 18.5 (0.6) 18.7 (0.7) 1.3 82 .207
Education (years) 11.4 (0.5) 11.5 (0.5) 0.1 72 .884
Grade level (6 [max]-1 [min] 4.1 (0.7) 3.9 (0.7) 1.6 78 .125
Mother's education (years) 13.3 (2.5) 12.4 (2.4) 1.6 82 .890