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Table 1 Difference in characteristics of juvenile justice offenders who were referred and those who did not get referred to to the injury prevention program

From: An injury awareness education program on outcomes of juvenile justice offenders in Western Australia: an economic analysis

Variables Referred (n = 225) Not referred (n = 3434) P value
Age, years (SD, IQR) 16.3 (2.0, 16–17) 16.0 (1.6, 15–17) 0.089
Male, no. (%) 191 (85) 2261 (66) 0.001
Ethnic groups, no. (%)    0.001
- Caucasian 103 (46) 1082 (32)  
- Indigenous 42 (19) 391 (11)  
- Asian 7 (3) 24 (0.7)  
- Others 19 (8) 67 (2)  
- Unknown 54 (24) 1870 (54)  
Nature of offences leading to 1st referral to juvenille justice system during the study, no. (%):    0.221
- assault-related 55 (24.4) 973 (28.3)  
- traffic-related 170 (75.6) 2461 (71.7)  
Mean Index of Relative Socioeconomic Advantage and Disadvantage (SD, IQR) 1009 (53, 973–1049) 1004 (64, 964–1049) 0.142
Number of prior offences prior to the study (SD, IQR) 0 (0, 0–0) 0.1 (0.5, 0–0) 0.001
  1. # P value was generated by Chi-square or Mann–Whitney test. SD, standard deviation. IQR interquartile range.