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Table 1 Mean and standard deviation (SD) for the main variables in the sample

From: School functioning and internalizing problems in young schoolchildren

 AllGirlsBoysGender differences
N = 750N = 435N = 315p-value
Academic achievement (T)a11.81 (3.33)12.11 (3.36)11.38 (3.25)0.003
School adaptation (T)a12.15 (2.46)12.86 (2.32)11.17 (2.32)< 0.001
Internalizing problems (T)a2.57 (2.61)2.46 (2.57)2.73 (2.64)0.166
Anxiety symptoms (S)b63.60 (13.60)66.53 (12.78)59.55 (13.68)< 0.001
Depression- symptoms (S)b9.92 (4.89)10.34 (4.92)9.35 (4.79)0.006
  1. Note: Academic achievement = TRF/ASEBA (Range 4–20); School adaptation = TRF/ASEBA (Range 5–20); Internalizing problems = BPM-T (Range 0–12); Anxiety symptoms = MASC (Range 0–105); Depression symptoms = SMFQ (Range 0–26); (T) = Teacher rated; (S) = Self-report; a = High values indicate good performance; b = Higher values indicate more problems or symptoms