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. 2020 Sep 9;16(3):e1112. doi: 10.1002/cl2.1112

Table 5.

Overall mean percent change by construct and associated statistics

95% CI
Construct Mean % change Lower Upper k z p(z) Q p(Q) τ
Use of force −6.8 −19.5 7.9 26 −0.941 .347 82.822 .000 0.303
Complaints against officer −16.6 −30.0 −0.7 22 −2.033 .042 26.109 .202 0.200
Assault on officer/officer injuries/resistance 15.9 −4.9 41.3 15 1.464 .143 15.071 .373 0.133
Arrests −3.9 −12.7 5.8 13 −0.813 .416 159.762 .000 0.146
Officer‐initiated CFS 3.8 −5.2 13.5 8 0.803 .422 17.320 .015 0.097
Dispatched calls for service 2.6 −3.0 8.6 6 0.907 .365 322.632 .000 0.054
Traffic stops or traffic tickets −5.0 −33.1 34.8 5 −0.289 .772 362.696 .000 0.372
Field interviews or stop and frisk −12.0 −37.5 24.0 4 −0.729 .466 20.943 .000 0.330
Incident reports −8.0 −21.7 8.0 3 −1.018 .309 46.710 .000 0.127
Response time −0.2 −1.7 1.3 3 −0.238 .812 0.697 .706 0.000
Non‐traffic citations 6.4 5.8 7.1 2 19.031 .000 0.382 .536 0.000
Time on scene −4.6 −12.0 3.4 1 −1.149 .251

Note: CI = confidence interval; k = number of effect sizes; z = z‐test; p(z) = p‐value for z‐test; Q = homogeneity statistic; p(Q) = p‐value for homogeneity statistic; τ = square‐root of the random effects variance component.