I am now going to ask you some questions mainly about symptoms of the chest.

1 Press <1> and <Enter> to continue.

HeAnk

Have you ever had a severe pain across the front of your chest lasting for half an hour or more?

1 Yes

2 No

HEANA

Have you ever had any pain or discomfort in your chest?

1 Yes

2 No

IF whether ever had pain or discomfort in chest = yes [HeAna = 1]

│

│ HEANB

│ Do you get it when you walk uphill or hurry?

│ 1 Yes

│ 2 No

│ 3 Sometimes / Occasionally

│ 4 Never walks uphill or hurries

│ 5 Cannot walk

│

│ IF whether has pain when walking uphill or hurrying = sometimes [HeAnb = 3]

││

││ HEANC

││ Does this happen on most occasions?

││ 1 Yes

││ 2 No

││

│END OF FILTER

│

│ IF whether has pain when walking uphill or hurrying = [yes, sometimes, never]

│ [HeAnb = [1, 3, 4]]

││

││ HEAND

││ Do you get it when you walk at an ordinary pace on the level?

││ 1 Yes

││ 2 No

││ 3 Sometimes / Occasionally

││ 4 Never walks at an ordinary pace on the level

││

││ IF whether has pain when walking at ordinary pace on the level = Never walks

│││

│││ HEAND1

│││ Do you never walk^[ BLANK / uphill / on the level] because... READ OUT...

│││ CODE ONE ONLY

│││ 1 ...it causes chest pain to do so,

│││ 2 ...it causes other discomfort to do so,

│││ 3 ...you prefer not to,

│││ 4 or, for some other reason?

│││

││ END OF FILTER

││

│ END OF FILTER