Fig. 1From: 'Generation Pup' – protocol for a longitudinal study of dog behaviour and healthNumbers of questionnaires completed by owners of dogs registered on the Generation Pup Study. Legend: a Fig. 1 is based on 3686 dogs rather than 3727 dogs, as partially completed questionnaires and paper-based questionnaire data were not included. The two additional questionnaires issued to the ‘early cohort’ (n=200) are not included in this figureBack to article page