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Table 7 Risk factors for intervertebral disc disease (IVDD) from final multivariable binary logistic regression model (OR = odds ratio, CI = confidence interval)

From: DachsLife 2015: an investigation of lifestyle associations with the risk of intervertebral disc disease in Dachshunds

Variable Category Case Non-Case OR 95 % CI p
Breed SWH 18 (7.1 %) 234 (92.9 %) 1 (base)   <0.001
MLH 46 (13.3 %) 300 (86.7 %) 1.77 0.96–3.25 0.07
MSH 127 (17.1 %) 617 (82.9 %) 4.60 2.62–8.08 <0.001
MWH 54 (17.7 %) 251 (82.3 %) 3.07 1.67–5.63 <0.001
SSH 49 (24.4 %) 152 (75.6 %) 4.46 2.37–8.40 <0.001
SLH 16 (12.6 %) 111 (87.4 %) 1.52 0.71–3.22 0.28
Age 0–2 years 1 (0.2 %) 497 (99.8 %) 1 (base)   <0.001
2–4 years 18 (3.9 %) 443 (96.1 %) 20.13 2.67–151.66 0.004
4–6 years 50 (13.6 %) 318 (86.4 %) 81.80 11.21–596.83 <0.001
6–8 years 99 (33.0 %) 201 (67.0 %) 259.43 35.80–1880.22 <0.001
8–10 years 75 (41.9 %) 104 (58.1 %) 425.29 58.04–3116.37 <0.001
>10 years 67 (39.6 %) 102 (60.4 %) 391.21 53.23–2875.16 <0.001
Neuter status Neutered 231 (20.9 %) 874 (79.1 %) 1 (base)   
Entire 79 (9.1 %) 791 (90.9 %) 0.63 0.45–0.85 0.003