│IF (knee pain rating is between 1 and 10) AND (type of arthritis = osteoarthritis)

││ [(HEKne = [1..10]) AND (HeArt=1)]

││

││HEKNEA

││ How long has the pain in your knee been bothering you? Has it been…

││ INTERVIEWER: READ OUT

││ 1 less than 3 months,

││ 2 more than 3 months but less than 6 months,

││ 3 more than 6 months, but less than 12 months,

││ 4 or more than 12 months?

││

││IF length of knee pain = more than 3 months

││[HeKnea = 2,3,4]

│││

│││ HEKNEB

│││ Has a doctor or nurse suggested physiotherapy or that you attend a supervised

│││ exercise program for your knee pain?

│││ 1 Yes

│││ 2 No

│││

││END OF FILTER

││

│ END OF FILTER

│

END OF FILTER