Comprehensibility, reliability, validity, and responsiveness of the Thai version of the Health Assessment Questionnaire in Thai patients with rheumatoid arthritis

Table 2 Comprehensibility of each item of the Thai HAQ assessed by 126 Thai patients with rheumatoid arthritis

Thai HAQ domain	Thai HAQ item	Percentage comprehensibility
	Are you able to:
Dressing and grooming	1. Put on clothes, including buttoning up?	100
	2. Wash your hair?	100
Arising	3. Get up from a chair without armrests?	98.4
	4. Lie down and get up from the bed, or sit in floor-sitting or kneeling position?	100
Eating	5. Slice food with a knife?	99.2
	6. Lift up a glass (filled with water) for drinking?	99.2
	7. Open up food or beverage cans?	99.2
Walking	8. Walk outdoors on level ground?	100
	9. Climb up five steps of stairs?	99.2
Hygiene	10. Apply soap over the body and towel up?	100
	11. Lift up a water bowl to wash yourself?	100
	12. Sit down and get up from a toilet seat?	100
Reach	13. Reach for a 2-kg object from an overhanging cupboard?	98.4
	14. Bend down to pick up an article from the floor?	100
Grip	15. Open a car door?	100
	16. Open containers (such as conserve or Ovaltine jar)?	99.2
	17. Turn on and off a faucet, or wring clothes after washing?	99.2
Activities	18. Go marketing?	99.2
	19. Get on and off a car or a bus?	99.2
	20. Sweep and mop?	98.4

ISSN: 1478-6362