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

From: Risk factors associated with legal interventions

Year Cases
(A)
Illinois population (B) Police contacta %
(C)*
Police contact
estimatesb
(B*C) =
(D)
Use of force percentc
(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)
  1. 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
  2. bEstimated number of police contacts in Illinois
  3. cPercentage of self-reported injury during contact with the police
  4. d95 % confidence intervals were estimated using Fisher’s exact method for each year in the study
  5. Note. Years without data were estimated using linear interpolation