Table 4.
Sample | Mice inside | Rats inside | Sample | Rats outside | ||||
---|---|---|---|---|---|---|---|---|
n | Un-weighted % | n | Un-weighted % | n | Un-weighted % | |||
(a) Tabulated by litter | ||||||||
No | 63784 | 1056 | 1.66 (1.56–1.75) | 160 | 0.25 (0.21–0.29) | 54343 | 1448 | 2.66 (2.53–2.80) |
Yes | 22473 | 878 | 3.91 (3.65–4.16) | 147 | 0.65 (0.55–0.76) | 17197 | 1063 | 6.18 (5.82–6.54) |
(b) Tabulated by number of dwellings in area | ||||||||
500+ | 9172 | 252 | 2.76 (2.42–3.09) | 29 | 0.32 (0.20–0.43) | 7031 | 246 | 3.50 (3.07–3.93) |
300–499 | 9335 | 189 | 2.02 (1.74–2.31) | 31 | 0.33 (0.22–0.45) | 7304 | 254 | 3.48 (3.06–3.90) |
100–299 | 27667 | 543 | 1.97 (1.80–2.13) | 73 | 0.26 (0.20–0.32) | 22276 | 569 | 2.55 (2.35–2.76) |
50–99 | 19396 | 339 | 1.75 (1.56–1.93) | 63 | 0.32 (0.24–0.40) | 16290 | 451 | 2.77 (2.52–3.02) |
25–49 | 12724 | 220 | 1.73 (1.50–1.96) | 37 | 0.29 (0.20–0.38) | 11085 | 374 | 3.37 (3.04–3.71) |
Less than 25 | 9620 | 414 | 4.30 (3.90–4.71) | 78 | 0.81 (0.63–0.99) | 8845 | 631 | 7.13 (6.60–7.67) |
(c) Tabulated by width of plot | ||||||||
Same as dwelling | 25864 | 746 | 2.88 (2.68–3.09) | 125 | 0.48 (0.40–0.57) | 25847 | 809 | 3.13 (2.92–3.34) |
Less than 10 m | 20479 | 341 | 1.67 (1.49–1.84) | 48 | 0.23 (0.17–0.30) | 20479 | 635 | 3.10 (2.86–3.34) |
Less than 20 m | 20589 | 341 | 1.66 (1.48–1.83) | 51 | 0.25 (0.18–0.32) | 20589 | 666 | 3.23 (2.99–3.48) |
20 m or more | 4969 | 257 | 5.17 (4.56–5.79) | 46 | 0.93 (0.66–1.19) | 4967 | 809 | 7.53 (6.80–8.26) |
(d) Tabulated by keeping pets outside | ||||||||
No | 82584 | 1734 | 2.10 (2.00–2.20) | 263 | 0.32 (0.28–0.36) | 67653 | 1953 | 2.89 (2.76–3.01) |
Yes | 4877 | 204 | 4.18 (3.62–4.74) | 44 | 0.90 (0.64–1.17) | 4783 | 533 | 11.14 (10.25–12.03) |
(e) Tabulated by road type | ||||||||
Major trunk road or main road | 11999 | 326 | 2.72 (2.43–3.01) | 59 | 0.49 (0.37–0.62) | 9002 | 455 | 5.05 (4.60–5.51) |
Side road | 38492 | 994 | 2.58 (2.42–2.74) | 142 | 0.37 (0.31–0.43) | 32418 | 1073 | 3.31 (3.12–3.50) |
Cul de sac/crescent | 33393 | 469 | 1.40 (1.28–1.53) | 76 | 0.23 (0.18–0.28) | 28298 | 796 | 2.81 (2.62–3.01) |
Private road | 2822 | 95 | 3.37 (2.70–4.03) | 23 | 0.82 (0.48–1.15) | 2029 | 106 | 5.22 (4.26–6.20) |
Unmade/no road | 1258 | 74 | 5.88 (4.58–7.18) | 11 | 0.87 (0.36–1.39) | 1123 | 96 | 8.55 (6.91–10.18) |
(f) Tabulated by nature of area | ||||||||
City centre | 2894 | 80 | 2.76 (2.17–3.36) | 11 | 0.38 (0.16–0.60) | 1298 | 51 | 3.93 (2.87–4.99) |
Urban | 18584 | 636 | 3.42 (3.16–3.68) | 89 | 0.48 (0.38–0.58) | 13189 | 471 | 3.57 (3.26–3.89) |
Suburban residential | 50677 | 719 | 1.42 (1.32–1.52) | 114 | 0.22 (0.18–0.27) | 43476 | 1096 | 2.52 (2.37–2.67) |
Rural residential | 10035 | 210 | 2.09 (1.81–2.37) | 35 | 0.35 (0.23–0.46) | 9438 | 389 | 4.12 (3.72–4.52) |
Village centre | 3352 | 98 | 2.92 (2.35–3.49) | 17 | 0.51 (0.27–0.75) | 3096 | 175 | 5.65 (4.84–6.47) |
Rural | 2429 | 216 | 8.89 (7.76–10.02) | 45 | 1.85 (1.32–2.39) | 2376 | 343 | 14.44 (13.02–15.84) |
(g) Tabulated by drainage system faults | ||||||||
No faults | 84692 | 122 | 2.14 (2.04–2.24) | 20 | 0.34 (0.30–0.37) | 70095 | 143 | 3.33 (3.20–3.46) |
Faults | 2160 | 1811 | 5.65 (4.67–6.62) | 284 | 0.93 (0.52–1.33) | 1831 | 2334 | 7.81 (6.58–9.04) |
(h) Tabulated by problems in area | ||||||||
No problems | 15813 | 241 | 1.52 (1.33–1.72) | 53 | 0.34 (0.25–0.43) | 14181 | 381 | 2.69 (2.42–2.95) |
Slight problems | 46454 | 907 | 1.95 (1.83–2.08) | 124 | 0.27 (0.22–0.31) | 39541 | 1235 | 3.12 (2.95–3.29) |
Moderate problems | 17259 | 491 | 2.84 (2.60–3.09) | 75 | 0.43 (0.34–0.53) | 13165 | 544 | 4.13 (3.79–4.47) |
Substantial problems | 8454 | 319 | 3.77 (3.37–4.18) | 59 | 0.69 (0.52–0.88) | 5994 | 364 | 6.07 (5.47–6.68) |
(i) Tabulated by tenure type | ||||||||
Owner occupied | 45777 | 837 | 1.83 (1.71–1.95) | 135 | 0.29 (0.25–0.34) | 43584 | 1311 | 3.01 (2.85–3.17) |
Private rented | 11454 | 382 | 3.34 (3.01–3.66) | 74 | 0.65 (0.50–0.79) | 8478 | 370 | 4.36 (3.93–4.80) |
Local authority | 18824 | 503 | 2.67 (2.44–2.90) | 54 | 0.29 (0.21–0.36) | 12982 | 554 | 4.27 (3.92–4.61) |
Housing association (RSL) | 11966 | 237 | 1.98 (1.73–2.23) | 48 | 0.40 (0.29–0.51) | 7873 | 293 | 3.72 (3.30–4.14) |
(j) Tabulated by dwelling type | ||||||||
End terrace | 9942 | 258 | 2.60 (2.28–2.91) | 38 | 0.38 (0.26–0.50) | 9757 | 309 | 3.17 (2.82–3.51) |
Mid terrace | 18321 | 553 | 3.02 (2.77–3.27) | 88 | 0.48 (0.38–0.58) | 18019 | 574 | 3.19 (2.93–3.44) |
Semi detached | 25752 | 398 | 1.55 (1.39–1.70) | 64 | 0.25 (0.19–0.31) | 25600 | 863 | 3.37 (3.15–3.59) |
Detached | 14813 | 376 | 2.54 (2.29–2.79) | 66 | 0.45 (0.34–0.55) | 14780 | 636 | 4.30 (3.98–4.63) |
Purpose built flat | 16141 | 265 | 1.64 (1.45–1.84) | 39 | 0.24 (0.17–0.32) | 3411 | 103 | 3.02 (2.45–3.59) |
Other | 3004 | 109 | 3.63 (2.96–4.30) | 14 | 0.47 (0.22–0.71) | 1333 | 42 | 3.15 (2.21–4.09) |
(k) Tabulated by date of construction | ||||||||
Pre 1850 | 2698 | 192 | 7.12 (6.15–8.09) | 42 | 1.56 (1.09–2.02) | 2387 | 238 | 9.97 (8.77–11.17) |
1850–1899 | 7353 | 300 | 4.08 (3.63–4.53) | 59 | 0.80 (0.60–1.01) | 6237 | 264 | 4.23 (3.73–4.73) |
1900–1918 | 7023 | 266 | 3.79 (3.34–4.23) | 40 | 0.57 (0.39–0.75) | 6345 | 278 | 4.38 (3.88–4.88) |
1919–1944 | 15245 | 390 | 2.56 (2.31–2.81) | 61 | 0.40 (0.30–0.50) | 14276 | 559 | 3.92 (3.60–4.23) |
1945–1964 | 20552 | 352 | 1.71 (1.54–1.89) | 46 | 0.22 (0.16–0.29) | 17611 | 532 | 3.02 (2.77–3.27) |
1965–1980 | 20098 | 284 | 1.41 (1.25–1.58) | 36 | 0.18 (0.12–0.24) | 14691 | 377 | 2.57 (2.31–2.82) |
Post 1980 | 15049 | 175 | 1.16 (0.99–1.33) | 27 | 0.18 (0.11–0.25) | 11369 | 280 | 2.46 (2.18–2.75) |
(l) Tabulated by region | ||||||||
East Midlands | 7912 | 164 | 2.07 (1.76–2.39) | 20 | 0.25 (0.14–0.36) | 7085 | 271 | 3.82 (3.38–4.27) |
Eastern | 9137 | 153 | 1.67 (1.41–1.94) | 26 | 0.28 (0.18–0.39) | 7801 | 280 | 3.59 (3.18–4.00) |
London | 12177 | 587 | 4.82 (4.44–5.20) | 65 | 0.53 (0.40–0.66) | 7583 | 212 | 2.80 (2.42–3.17) |
North East | 6152 | 93 | 1.51 (1.21–1.82) | 14 | 0.23 (0.11–0.35) | 5440 | 145 | 2.67 (2.24–3.09) |
North West & Merseyside | 12041 | 204 | 1.69 (1.46–1.92) | 40 | 0.33 (0.23–0.43) | 10445 | 281 | 2.69 (2.38–3.00) |
South East | 12870 | 210 | 1.63 (1.41–1.85) | 37 | 0.28 (0.19–0.38) | 10781 | 334 | 3.10 (2.77–3.42) |
South West | 9271 | 144 | 1.55 (1.30–1.80) | 37 | 0.40 (0.19–0.38) | 8022 | 281 | 3.50 (3.10–3.90) |
West Midlands | 8598 | 164 | 1.91 (1.61–2.20) | 45 | 0.52 (0.37–0.68) | 7387 | 424 | 5.74 (5.21–6.27) |
Yorkshire & Humberside | 9863 | 240 | 2.43 (2.13–2.74) | 27 | 0.27 (0.17–0.38) | 8373 | 300 | 3.58 (3.19–3.98) |
(J) Tabulated by previous rodent control operations | ||||||||
No | 1797 | 304 | 16.92 (15.19–18.65) | 55 | 3.06 (2.26–3.86) | 1591 | 559 | 35.14 (32.79–37.48) |
Yes | 4703 | 1531 | 32.55 (31.22–33.89) | 239 | 5.08 (4.45–5.71) | 4246 | 1336 | 31.47 (30.07–32.86) |
(H) Tabulated by month of survey | ||||||||
January | 6272 | 167 | 2.66 (2.26–3.06) | 29 | 0.46 (0.29–0.63) | 5207 | 223 | 4.28 (3.73–4.83) |
February | 9024 | 220 | 2.44 (2.12–2.76) | 30 | 0.33 (0.21–0.45) | 7482 | 229 | 3.06 (2.67–3.45) |
March | 3226 | 88 | 2.73 (2.17–3.29) | 11 | 0.34 (0.14–0.54) | 2655 | 95 | 3.58 (2.87–4.28) |
April | 4169 | 102 | 2.45 (1.98–2.92) | 18 | 0.43 (0.23–0.63) | 3444 | 142 | 4.12 (3.46–4.79) |
May | 10078 | 212 | 2.10 (1.82–2.38) | 36 | 0.36 (0.24–0.47) | 8332 | 283 | 3.40 (3.01–3.79) |
June | 6735 | 139 | 2.06 (1.72–2.40) | 25 | 0.37 (0.23–0.51) | 5676 | 208 | 3.66 (3.18–4.15) |
July | 12285 | 259 | 2.11 (1.85–2.36) | 49 | 0.40 (0.29–0.51) | 10210 | 343 | 3.36 (3.01–3.71) |
August | 10307 | 196 | 1.90 (1.64–2.17) | 30 | 0.29 (0.19–0.40) | 8522 | 289 | 3.39 (3.01–3.78) |
September | 4151 | 72 | 1.73 (1.34–2.13) | 8 | 0.19 (0.06–0.33) | 3419 | 113 | 3.31 (2.71–3.90) |
October | 7781 | 162 | 2.08 (1.76–2.40) | 33 | 0.42 (0.28–0.57) | 6467 | 223 | 3.45 (3.00–3.89) |
November | 11733 | 284 | 2.42 (2.14–2.70) | 36 | 0.31 (0.21–0.41) | 9645 | 323 | 3.35 (2.99–3.71) |
December | 1809 | 47 | 2.60 (1.87–3.33) | 4 | 0.22 (0.00–0.44) | 1489 | 48 | 3.22 (2.33–4.12) |