Table 1. Scoring and categorisation of composite recreational physical activity variable from subjects’ responses to physical activity questions.^* .

Recreational physicalactivity category	Engaged in vigorousexercise*	Engaged in lessvigorous exercise*	Walking for recreationor exercise*	Recreational physical activity score
High	Yes	Yes	Yes	7
	Yes	Yes	No	6
Medium	Yes	No	Yes	5
	Yes	No	No	4
Low	No	Yes	Yes	3
	No	Yes	No	2
	No	No	Yes	1
	No	No	No	0

In the previous 2 weeks.