Fig. 3

a Responses to the question: “How easy or difficult do you find it to be to brush all your dog's teeth?” b Responses to the question: “Would you consider brushing your dog's teeth daily?” c Responses to the question: “How important is it to you to brush your dog's teeth on a scale from 0 to 10, where 0 means not at all important and 10 means maximally important?” (median = 9.5). d Responses to the question: “How sure are you of your ability to brush the dog's teeth if you decide to, on a scale from 0 to 10, where 0 means not at all sure and 10 means completely sure?” (median = 7.5)