36 who reported behavior problems, and 40 who did not. Veterinary medicine generally has small studies, because there's absolutely no money in veterinary medici

36 who reported behavior problems, and 40 who did not. Veterinary medicine generally has small studies, because there's absolutely no money in veterinary medicine. The authors note that for most of the variables people are talking about, the groups were pretty balanced. Which isn't surprising given they used snowball sampling for their recruitment - that's good at getting homogeneous groups.