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Table 1 Data of agreement

From: Validity of self-reported criminal justice system involvement in substance abusing women at five-year follow-up

Year N % with record % agreement False negative rate False positive rate κ
Prison
   Year of interview 43 7% 98 0 2 0.79
   1 year before 105 8% 95 33 2 0.68
   2 years before 105 7% 91 14 8 0.53
   3 years before 87 10% 89 60 9 0.23
   4 years before 61 7% 95 33 3 0.55
   5 years before 38 11% 87 60 6 0.37
   Ever 106 18% 85 37 10 0.51
Drug related offences
   Year of interview 43 0% 91 9 0 NA
   1 year before 103 8% 84 85 9 0.36
   2 years before 101 14% 83 36 14 0.42
   3 years before 83 13% 75 55 21 0.18
   4 years before 59 8% 71 80 24 0.00
   5 years before 35 9% 91 50 3 0.52
   Ever 108 39% 63 40 35 0.24
Theft
   Year of interview 41 10% 90 50 7 0.29
   1 year before 102 11% 84 36 13 0.38
   2 years before 99 7% 79 57 18 0.13
   3 years before 85 14% 75 78 19 0.18
   4 years before 61 13% 70 75 22 0.02
   5 years before 36 8% 89 60 3 0.44
   Ever 106 36% 70 34 28 0.37
Violent
   Year of interview 43 7% 93 100 0 NA
   1 year before 104 6% 88 88 5 0.08
   2 years before 104 6% 91 80 5 0.14
   3 years before 86 7% 87 78 5 0.20
   4 years before 60 7% 87 83 6 0.13
   5 years before 37 11% 84 75 9 0.16
   Ever 105 27% 74 71 9 0.23
  1. Notes: Numbers represent time from interview to the time that the event took place (e.g., 0 is the same year as the interview, 1 is the previous year, 2 is two years before the interview, etc.). NA: Not applicable.