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

BMC Psychiatry

Table 1 Data of agreement

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

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.

ISSN: 1471-244X