Table 5.
Univariable logistic regression analysis of potential variables for owner-reported lower urinary tract signs (LUTS) at 18 months in a UK cat cohort
| Variable | Number of cases (cats with owner-reported LUTS) (%) | Number of controls (cats without owner-reported LUTS) (%) | P value | OR (95% CI) |
|---|---|---|---|---|
| Sex | ||||
| Male | 25 (4.7) | 503 (95.3) | 1.0 | |
| Female | 18 (3.6) | 476 (96.4) | 0.39 | 0.76 (0.41–1.41) |
| Breed | ||||
| DSH/DLH | 27 (3.7) | 701 (96.3) | 1.0 | |
| Pedigree | 15 (5.5) | 256 (94.5) | 0.20 | 1.52 (0.80–2.91) |
| Diet at 12 months of age | ||||
| 100% wet or mostly wet | 14 (6.0) | 221 (94.0) | 1.0 | |
| All other diets | 22 (3.2) | 674 (96.8) | 0.06 | 0.52 (0.26–1.02) |
| Diet at 18 months of age | ||||
| 100% wet or mostly wet | 19 (6.9) | 255 (93.1) | 1.0 | |
| All other diets | 24 (3.4) | 682 (96.6) | 0.02 | 0.47 (0.25–0.88) |
| Change in diet between 12 months and 18 months of age | ||||
| No | 18 (5.6) | 303 (94.4) | 1.0 | |
| Yes | 17 (3.0) | 556 (97.0) | 0.06 | 1.94 (0.99–3.83) |
| Multi- or single-cat household at 12 months | ||||
| Single cat | 7 (4.1) | 164 (95.9) | 1.0 | |
| Multi-cat | 26 (3.5) | 718 (96.5) | 0.71 | 0.85 (0.36–1.99) |
| Multi- or single-cat household at 18 months | ||||
| Single cat | 7 (4.4) | 153 (95.6) | 1.0 | |
| Multi-cat | 26 (3.4) | 728 (96.6) | 0.57 | 0.78 (0.33–1.83) |
| Change in household type multi-/single- cat household status between 12 months and 18 months of age | ||||
| No | 1 (4.5) | 21 (95.5) | 1.0 | |
| Yes | 33 (3.7) | 859 (96.3) | 0.84 | 1.24 (0.16–9.50) |
| Age of neutering Up to 6 months of age | 28 (3.6) | 758 (96.4) | 1.0 | |
| ⩾7 months | 12 (7.7) | 144 (92.3) | 2.26 (1.12–4.54) | |
| Entire at outcome | 4 (6.6) | 57 (93.4) | 0.06 | 1.90 (0.64–5.60) |
| Number of cats in neighbourhood at 12 months of age | ||||
| None | 2 (2.7) | 72 (97.3) | 1.0 | |
| 1–5 | 19 (3.2) | 584 (96.8) | 1.17 (0.27–5.13) | |
| 6–10 | 12 (5.1) | 224 (94.9) | 1.93 (0.42–8.82) | |
| ⩾11 | 3 (7.9) | 35 (92.1) | 0.31 | 3.09 (0.49–19.32) |
| Number of cats in neighbourhood at 18 months of age | ||||
| None | 2 (2.7) | 73 (97.3) | 1.0 | |
| 1–5 | 29 (4.5) | 615 (95.5) | 1.72 (0.40–7.36) | |
| 6–10 | 9 (3.6) | 239 (96.4) | 1.37 (0.29–6.51) | |
| ⩾11 | 4 (7.5) | 49 (92.5) | 0.55 | 2.98 (0.53–16.90) |
| Visiting cats at 12 months of age | ||||
| Yes | 25 (4.1) | 579 (95.9) | 1.0 | |
| No | 9 (3.8) | 230 (96.2) | 0.80 | 0.91 (0.42– 1.97) |
| Visiting cats at 18 months of age | ||||
| Yes | 25 (3.8) | 641 (96.2) | 1.0 | |
| No | 5 (5.7) | 83 (94.3) | 0.39 | 1.55 (0.58–4.14) |
| Reaction to ‘visiting’ cats at 12 months of age |
||||
| Positive | 9 (3.4) | 259 (96.6) | 1.0 | |
| Negative | 11 (4.8) | 218 (95.2) | 1.45 (0.59–3.57) | |
| No reaction | 4 (4.2) | 92 (95.8) | 1.25 (0.38–4.16) | |
| Mixed reaction | 6 (4.3) | 134 (95.7) | 0.88 | 1.29 (0.45–3.70) |
| Reaction to ‘visiting’ cats at 18 months of age |
||||
| Positive | 15 (5.4) | 262 (94.6) | 1.0 | |
| Negative | 11 (3.8) | 277 (96.2) | 0.69 (0.31–1.54) | |
| No reaction | 4 (4.5) | 85 (95.5) | 0.82 (0.27–2.54) | |
| Mixed reaction | 5 (2.8) | 171 (97.2) | 0.59 | 0.51 (0.18–1.43) |
|
Indoor and outdoor lifestyle
at 12 months of age |
||||
| 100% indoors | 15 (7.1) | 195 (92.9) | 1.0 | |
| Outdoor access | 21 (2.8) | 726 (97.2) | 0.005 | 0.38 (0.19–0.74) |
|
Indoor and outdoor lifestyle
at 18 months of age |
||||
| 100% indoors | 18 (7.9) | 211 (92.1) | 1.0 | |
| Outdoor access | 26 (3.3) | 773 (96.7) | 0.003 | 0.39 (0.21–0.73) |
| Change in indoor and outdoor lifestyle between 12 months and 18 months of age | ||||
| No | 3 (2.3) | 129 (97.7) | 1.0 | |
| Yes | 33 (4.0) | 790 (96.0) | 0.34 | 0.56 (0.17–1.84) |
| Moved house in past year at 18 months of age | ||||
| Yes | 6 (6.5) | 86 (93.5) | 1.0 | |
| No | 38 (4.1) | 891 (95.9) | 0.28 | 0.61 (0.25–1.49) |
| BCS at 18 months of age | ||||
| 1, 2 or 3 | 38 (4.4) | 830 (95.6) | 1.0 | |
| 4 or 5 | 5 (3.8) | 125 (96.2) | 0.78 | 0.87 (0.34–2.26) |
| Interaction with other cats in household at 18 months of age | ||||
| Positive reaction | 1 (1.4) | 70 (98.6) | 1.0 | |
| Negative reaction | 2 (6.7) | 28 (93.3) | 5.0 (0.44–57.37) | |
| No or mixed reaction | 29 (3.9) | 712 (96.1) | 0.43 | 2.85 (0.38–21.25) |
| Been in fight past 6 months at 18 months of age |
||||
| Yes | 4 (2.4) | 160 (97.6) | 1.0 | |
| No | 12 (3.2) | 362 (96.8) | 0.63 | 1.33 (0.42–4.17) |
Variables in bold indicate those with a P value <0.2, which were considered for inclusion in the final multivariable model
OR = odds ratio; CI = confidence interval; DSH = domestic shorthair; DLH = domestic longhair