Table 1.

Exercise frequency and duration in the study dogs

(Numbers and percentages)

	Owner-reported weight status
	Overweight (n 1801)		Not overweight (n 9353)
Exercise	n	%	n	%	P*
Frequency					<0·0001
More than once per d	948	52·6	5347	57·2
Once per d	538	29·9	2823	30·2
4–6 times per week	124	6·9	556	5·9
1–3 times per week	163	9·1	565	6·0
Never	28	1·6	62	0·7
Duration					<0·0001
Over 1 h	236	13·1	1735	18·5
30 min to 1 h	903	50·1	5084	54·4
11–30 min	608	33·8	2395	25·6
0–10 min	54	3·0	140	1·5

^*χ² Test for linear trend applied across ordered categories.