Table 1. Factor loadings for all dog food-motivation factors in the questionnaire.

	Factor analysis
Itema	Food responsiveness and satiety	Choosiness	Interest in food
Dog factor 1: food responsiveness and satiety
My dog gets excited when there is food around	0.63		0.29
My dog will turn down food if s/he is not hungry (R)	−0.70	0.21
My dog finishes a meal straight away	0.96		−0.17
After a meal my dog is still interested in eating	0.52	−0.14	0.38
My dog takes his her time to eat a meal (R)	−0.84
My dog seems to be hungry all the time	0.41		0.33
My dog is very greedy	0.54	−0.10	0.37
Dog factor 2: lack of fussiness
My dog inspects unfamiliar foods before deciding whether to eat them (R)		0.79	0.12
My dog is choosy about which titbits he eats (R)		0.71
My dog would eat anything		−0.79
Dog factor 3: interest in food
My dog hangs around for titbits even if there is not much chance of getting them			0.79
My dog hangs around when I am preparing or eating human food	−0.12		0.75
My dog eats titbits straight away	0.19	−0.27	0.32

Notes.

^aItems marked (R) have been reversed for scoring purposes.

^bAll factor loadings of greater magnitude than 0.1 are shown and those >0.4 are shown in bold.