Risk factors associated with legal interventions

Table 2 Estimating legal intervention hospitalization rates in Illinois Using Population and Use of Force Data

Year	Cases (A)	Illinois population (B)	Police contact^a % (C)*	Police contact estimates^b (B*C) = (D)	Use of force percent^c (E)	Use of force number (D*E) = (F)	Hospitalization rate per 100,000 use of force cases – (A/F) (95 % CI)^d	Hospitalization rate per 100,000 Illinois population (A/B) (95 % CI)^d
2000	56	12,436,000	15.7	1,958,108	1.23	24,085	233 (172–293)	0.45 (0.33–0.57)
2001	56	12,482,000	15.7	1,961,305	1.1	21,574	260 (192–328)	0.45 (0.33–0.56)
2002	76	12,601,000	15.7	1,982,458	1.5	29,737	256 (198–313)	0.60 (0.47–0.74)
2003	86	12,653,800	15.4	1,948,167	1.55	30,197	285 (225–345)	0.68 (0.54–0.82)
2004	72	12,713,700	15.1	1,914,040	1.53	29,285	246 (189–303)	0.57 (0.44–0.70)
2005	81	12,763,500	14.7	1,878,895	1.6	30,062	269 (211–328)	0.63 (0.50–0.77)
2006	97	12,831,950	14.2	1,820,547	1.5	27,308	355 (285–426)	0.76 (0.61–0.91)
2007	100	12,852,530	13.7	1,755,371	1.55	27,208	368 (295–440)	0.78 (0.63–0.93)
2008	116	12,901,550	13.1	1,696,118	1.4	23,746	489 (400–577)	0.90 (0.74–1.06)
2009	96	12,910,410	14.9	1,923,651	1.54	29,624	324 (259–389)	0.74 (0.59–0.89)

^aPolice Public Contact Survey estimates for 1999, 2002, 2005, 2008 show the proportion of people in the United States that had been in contact with the police
^bEstimated number of police contacts in Illinois
^cPercentage of self-reported injury during contact with the police
^d95 % confidence intervals were estimated using Fisher’s exact method for each year in the study
Note. Years without data were estimated using linear interpolation

ISSN: 2197-1714