IF (type of CVD condition = angina, heart attack) OR ((type of CVD condition at last interview = angina,

heart attack) AND ((whether confirms previous angina condition = yes) OR (whether confirms previous

heart attack condition = yes))

[(HeDiaa = 2, 3) OR ((HeDiaa (Last int) = 2, 3) AND ((HeDiaC = 1) OR (HeDiaC = 1)))]

│

│ HEHRTA*

│ Some doctors suggest that some patients take anticoagulant or blood thinning medication.

│ Did any doctor suggest that [^you / [^name]] take medication to thin [^your/ his/ her] blood

│ such as warfarin or aspirin, Plavix, Ticlid, or other blood thinning medication?

│ 1 Yes

│ 2 No

│

│ IF whether advised to take blood thinning medication = yes [Hehrta = 1]

││

││ HEHRTB*

││ [^Are you / Is [^name]] currently taking medication to thin [^your / his / her] blood like

││ Warfarin, Aspirin, Plavix, Ticlid, or other medication to thin the blood?

││ 1 Yes

││ 2 No

││

│ END OF FILTER

│

│ IF whether taking blood thinning medication = yes [Hehrtb = 1]

││

││ HEHRTC*

││ [^Are you / Is [^name]] taking Warfarin?

││ 1 Yes

││ 2 No

││

││ IF whether taking warfarin = yes [Hehrtc = 1]

│││

│││ HEHRTD*

│││ Many doctors ask patients on Warfarin to get their blood tested regularly. The test checks

│││ how thin their blood is, and is sometimes called an INR test. [^Do you / Does [^name]] get

│││ [^your / his / her] blood checked for this?

│││ 1 Yes

│││ 2 No

│││

│││ IF whether has INR test = yes [Hehrtd = 1]

││││

││││ HEHRTE*

││││ [^Have you / Has [^name]] had this blood test in the past 12 weeks?

││││ 1 Yes

││││ 2 No

││││

││││ IF whether had INR test in past 12 weeks = yes [Hehrte = 1]

│││││

│││││ HEHRTF

│││││ [^Have you / Has [^name]] had this blood test in the past 4 weeks?

│││││ 1 Yes

│││││ 2 No

│││││

││││END OF FILTER