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Table 2 Demographic characteristics of the sample (%)

From: Childhood adversity subtypes and violence victimization and perpetration among early adolescents in Shanghai, China

Variables Total Boys Girls P
  N = 1700  N = 865  N = 835
Age (M [SD])Grade 12.46[0.96] 12.51[0.98] 12.40[0.93] 0.013
  6 34.06 33.41 34.73  
  7 37.24 36.42 38.08 0.395
  8 28.71 30.17 27.19  
Has siblings
  Yes 35.41 36.98 33.89 0.198
  No 64.59 63.12 64.59  
Locally registered resident
  Yes 79.29 77.80 80.84 0.298
  No 20.71 22.20 19.16  
Rents a house
  Yes 18.35 20.12 16.53 0.056
  No 81.65 79.88 83.47  
Highest parental education
  Junior high school and below 10.76 12.49 8.98  
  High/technical school 26.53 25.78 27.31  
  College/university 50.41 49.13 51.74 0.115
  Unknown 12.29 12.60 11.98  
Parental divorce
  Yes 11.47 10.06 12.93 0.063
  No 88.53 89.94 88.53
  1. Abbreviation: M [SD] mean [standard deviation]