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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Prev Vet Med. 2009 Nov 20;93(2-3):193. doi: 10.1016/j.prevetmed.2009.10.012

Table 1.

Comparison of mean age, mean weight, sex, and breed composition between the surveyed and non-surveyed groups in 5,276 dogs presented to a veterinary teaching hospital between 1999 and 2006.

Variable Surveyed Non-Surveyed Test Statistics
N 1,520 6,641
Age (years) 5.502 5.309 t = -1.436 p = 0.152
Weight (lbs) 49.2 47.1 t = 0.257 p = 0.797
Sex (frequency)
 Male 735 2,467 χ2 = 8.18 p = 0.004
 Female 674 2,687
Breed Composition χ2 = 25.5 p = <0.001
 Mixed 27.6% 32.8%
 Small 12.3% 12.5%
 Medium 37.6% 36.9%
 Large 22.5% 17.8%