TABLE 2

Individual and Family Characteristics of Sibling Victims

Sibling Bullying (Last 6 mo)P
Never (N = 3643), % or M (SD)Only Ever Once or Twice (N = 1191), % or M (SD)2 or 3 Times a Month (N = 645), % or M (SD)About Once a Week (N = 663), % or M (SD)Several Times a Week (N = 786), % or M (SD)
Individual characteristics
 Male49.044.445.741.244.7<.001
 Child’s age when first bullied by sibling,8.92 (2.34)8.38 (2.26)8.21 (2.37)7.59 (2.65)<.001
 Early internalizing problems1.44 (1.61)1.51 (1.71)1.47 (1.68)1.68 (1.69)1.74 (1.77)<.001
 Early externalizing problems1.41 (1.39)1.58 (1.40)1.61 (1.45)1.71 (1.48)1.96 (1.59)<.001
 Frequently bullied by peers16.820.821.320.926.3<.001
Family characteristics
 First-born child49.537.534.339.034.0<.001
 Divorced or separated10.510.011.39.612.1
 No. of children living at home (% ≥3)42.349.451.251.956.7<.001
 Child has older brother (%)34.445.749.451.354.9<.001
 Child has older sister (%)39.446.043.442.640.6.14
 Lower parental social class45.945.543.845.554.2.05
 Maternal education (ordinary-levels or less)57.055.153.752.960.6.69
 Maternal depression6.26 (4.53)6.34 (4.40)6.57 (4.49)7.01 (4.76)7.05 (4.76)<.001
 Maltreated by adult13.014.414.813.918.6.002
 Domestic violence21.024.023.926.730.9<.001
  • —, answer not applicable.