Skip to main content

Table 2 Univariable risk factors associated with CNS ≥3/5

From: Assessing the seasonal prevalence and risk factors for nuchal crest adiposity in domestic horses and ponies using the Cresty Neck Score

Exposure variables      
   Total number of horses and ponies (%) Number of CNS ≥ 3/5 cases (%) Odds (CNS <3/5/ CNS ≥ 3/5) 95% CI χ 2 p
Height (cm, categorical) ≤113 8 (8.33) 2 (6.25) 0.33 0.06 – 1.65   
  114 – 134 20 (20.83) 12 (37.5) 1.50 0.61 – 3.67   
  135 – 146 22 (22.92) 8 (25.0) 0.57 0.24 – 1.36   
  147– 159 22 (22.92) 5 (15.62) 0.29 0.11 – 0.80   
  ≥160 24 (25.0) 5 (15.62) 0.26 0.09 – 0.70 9.91 0.04
Breed (categorical) Native ponies 34 (35.42) 15 (46.88) 0.79 0.40 – 1.55   
  Lightweight 25 (26.04) 1 (3.12) 0.04 0.005 – 0.31   
  Native cobs 12 (12.50) 7 (21.88) 1.40 0.44 – 4.41   
  Sports horse 13 (13.54) 1 (3.12) 0.08 0.01 – 0.64   
  Other 12 (12.50) 8 (25.0) 2.0 0.60 – 6.64 <0.001*
Seasonal change in feeding regimen No change 13 (13.98) 8 (25.0) 1.60 0.52 – 4.89   
  Reduction in quantity only 13 (13.98) 3 (9.38) 0.30 0.08 – 1.09   
  Change Parts 57 (61.29) 14 (43.75) 0.32 0.17 – 0.60   
  Complete Change 10 (10.75) 7 (21.88) 2.33 0.60 – 9.02 13.04 0.005
Laminitis No 82 (89.13) 23 (79.31) 0.38 0.24 – 0.63   
  Yes 10 (10.87) 6 (20.69) 1.50 0.42 – 5.32 4.22 0.04
Fed hay or other supplementary forage during winter months No 88 (93.62) 26 (86.67) 0.42 0.27 – 0.66   
  Yes 6 (6.38) 4 (13.33) 2.00 0.37 – 10.92 3.56 0.06
Height binary Pony (≤148 cm) 50 (52.08) 22 (68.75) 0.78 0.44 – 1.37   
  Horse (>148 cm) 46 (47.92) 10 (31.25) 0.28 0.14 – 0.56 5.34 0.02
Herd size   96 (100) - - - −2.48 0.01**
Total   96 (100) 32 (100)     
  1. *indicates probability estimated using Fisher’s exact test. **continuous variable assessed for a univariable association using logistic regression.