Publication - Research and analysis
Stop and Search code of practice: twelve month review - quantitative report
Findings of a quantitative study which evaluates change in the use of police searches and alcohol seizures in the twelve months before and after the introduction of the Code of Practice.
Appendix: Results of regression model
| Variables entered into model | Logit coefficient | Standard Error | Wald | P value | Odds Ratio | Lower 95% CI | Upper 95% CI |
|---|---|---|---|---|---|---|---|
| Male (Reference=Female) | 0.078 | 0.029 | 7.101 | 0.008 | 1.081 | 1.021 | 1.145 |
| Under 16 | -0.55 | 0.05 | 120.368 | 0 | 0.577 | 0.523 | 0.637 |
| 16-17 | -0.276 | 0.042 | 42.431 | 0 | 0.759 | 0.698 | 0.824 |
| 18-19 (Reference) | 346.182 | 0 | |||||
| 20-24 | 0.163 | 0.036 | 21.023 | 0 | 1.177 | 1.098 | 1.262 |
| 25-29 | 0.135 | 0.038 | 12.402 | 0 | 1.144 | 1.062 | 1.233 |
| 30-39 | 0.05 | 0.035 | 2.015 | 0.156 | 1.051 | 0.981 | 1.126 |
| 40-49 | 0.009 | 0.039 | 0.049 | 0.825 | 1.009 | 0.934 | 1.089 |
| 50-59 | 0 | 0.055 | 0 | 0.998 | 1 | 0.898 | 1.113 |
| 60+ | -0.018 | 0.133 | 0.019 | 0.891 | 0.982 | 0.756 | 1.275 |
| White (Reference) | 101.644 | 0 | |||||
| Asian | 0.014 | 0.063 | 0.047 | 0.829 | 1.014 | 0.896 | 1.146 |
| African/Caribbean/Black | -0.043 | 0.081 | 0.278 | 0.598 | 0.958 | 0.817 | 1.123 |
| Mixed/Other ethnic group | -0.293 | 0.071 | 17.236 | 0 | 0.746 | 0.649 | 0.856 |
| Ethnicity unknown | -0.447 | 0.048 | 85.561 | 0 | 0.639 | 0.581 | 0.703 |
| Monday | -0.107 | 0.037 | 8.256 | 0.004 | 0.898 | 0.835 | 0.966 |
| Tuesday | -0.115 | 0.034 | 11.545 | 0.001 | 0.892 | 0.835 | 0.953 |
| Wednesday | -0.083 | 0.033 | 6.331 | 0.012 | 0.92 | 0.863 | 0.982 |
| Thursday | -0.08 | 0.032 | 6.173 | 0.013 | 0.923 | 0.866 | 0.983 |
| Friday (Reference) | 18.03 | 0.006 | |||||
| Saturday | -0.027 | 0.031 | 0.766 | 0.381 | 0.974 | 0.917 | 1.034 |
| Sunday | -0.053 | 0.037 | 2.014 | 0.156 | 0.949 | 0.882 | 1.02 |
| 0000-0559 | -0.183 | 0.029 | 40.177 | 0 | 0.833 | 0.787 | 0.881 |
| 0600-1159 | -0.214 | 0.032 | 44.009 | 0 | 0.807 | 0.758 | 0.86 |
| 1200-1759 | -0.031 | 0.023 | 1.804 | 0.179 | 0.97 | 0.927 | 1.014 |
| 1800-2359 (Reference) | 75.412 | 0 | |||||
| Drugs (Reference) | 137.54 | 0 | |||||
| Stolen Property | 0.149 | 0.036 | 16.971 | 0 | 1.161 | 1.081 | 1.247 |
| Offensive Weapons | -0.468 | 0.048 | 95.182 | 0 | 0.627 | 0.57 | 0.688 |
| Warrant | 0.145 | 0.087 | 2.805 | 0.094 | 1.156 | 0.976 | 1.37 |
| Other Reason | -0.388 | 0.09 | 18.49 | 0 | 0.678 | 0.568 | 0.81 |
| North East | -0.001 | 0.034 | 0.001 | 0.976 | 0.999 | 0.934 | 1.069 |
| Tayside | 0.531 | 0.04 | 180.455 | 0 | 1.701 | 1.574 | 1.838 |
| Highlands & Islands | 0.208 | 0.04 | 27.518 | 0 | 1.232 | 1.139 | 1.331 |
| Forth Valley | 0.45 | 0.047 | 93.486 | 0 | 1.568 | 1.431 | 1.718 |
| Edinburgh | 0.15 | 0.043 | 12.384 | 0 | 1.162 | 1.069 | 1.263 |
| Lothians & Borders | 0.428 | 0.049 | 77.804 | 0 | 1.535 | 1.395 | 1.688 |
| Fife | 0.524 | 0.052 | 101.507 | 0 | 1.689 | 1.525 | 1.87 |
| Greater Glasgow (Reference) | 1206.221 | 0 | |||||
| Ayrshire | 0.953 | 0.045 | 445.044 | 0 | 2.595 | 2.375 | 2.835 |
| Lanarkshire | 1.042 | 0.04 | 691.363 | 0 | 2.836 | 2.624 | 3.065 |
| Argyll & West Dunbartonshire | 0.251 | 0.048 | 27.11 | 0 | 1.285 | 1.169 | 1.413 |
| Renfrewshire & Inverclyde | 0.371 | 0.041 | 81.545 | 0 | 1.449 | 1.337 | 1.57 |
| Dumfries & Galloway | 0.061 | 0.059 | 1.061 | 0.303 | 1.063 | 0.947 | 1.193 |
| Jun2017-May2018 (Reference=Jun2016-May2017) | 0.238 | 0.021 | 131.511 | 0 | 1.268 | 1.218 | 1.321 |
| Constant | -0.953 | 0.047 | 407.482 | 0 | 0.386 | ||
Contact
Email: Stopandsearchreview@gov.scot