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Table 1 Analysis of attrition comparing retained participants with complete data (n = 1214) and lost participants with complete data (n = 2255) at cycle 1 of data collection

From: Parenting-by-gender interactions in child psychopathology: attempting to address inconsistencies with a Canadian national database

Variable M(SD) Lost M(SD) Retained F P
Age of Child (y) 4.50 (0.51) 4.47 (0.47) 2.50 0.114
Physical Aggression 1.51 (1.90) 1.75 (1.96) 11.30 <0.001
Indirect Aggression 0.77 (1.42) 0.81 (1.23) 0.67 0.414
Hyperactivity 4.86 (3.47) 4.91 (3.31) 0.17 0.676
Emotional Disorder 1.97 (2.19) 2.24 (2.13) 11.34 <0 .001
Positive Interaction 14.68 (2.86) 14.40 (2.72) 7.42 0.007
Hostile-Ineffective 8.80 (3.68) 9.14 (3.62) 6.57 0.010
Parental Consistency 14.60 (3.51) 14.61 (3.32) 0.01 0.918
Income Adequacy 3.43 (1.05) 4.41 (0.93) 0.23 0.629
  1. n = 3469; M (SD): Mean (standard deviation).