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. 2017 Nov 21;7:15882. doi: 10.1038/s41598-017-15723-9

Table 4.

Number and percentage of occupied dwellings with rodents present by factor type. Un-weighted percentages are presented (2001–2010).

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)