Question	Response	Code
Q1, Q3	Never	0
	Once/week	1
	Twice/week	2
	Three times/week	3
	Four times/week	4
	Five times/week	5
	Six times/week	6
	Seven times/week	7
Q2, Q4	Never	0
	Less than 30 minutes	0.250
	30–45 minutes	0.625
	More than 45 minutes	1.000
	1–2 h	1.500
	2–4 h	3.000
Q5, Q7	Eery day	7.000
	3–6 times/week	4.500
	Twice/week	2.000
	Once/week	1.000
	Less than once/week	0.000
	Never	0
Q6, Q8, Q9, Q10	Never	0
	Less than 15 minutes	0.125
	15–30 minutes	0.375
	30 minutes to 1 h	0.750
	1–2 h	1.500
	2–4 h	3.000
	4 h+	5.000