Measuring Functional Status in RA

Length

10 questions

Topics

• Vigorous activities
• Walking >1 mile (1.6 km)
• Stairs
• Carrying groceries
• Bending/kneeling/stooping
• Vacuuming/yard work
• Dressing
• Shampoo hair
• Wash and dry body
• On/off toilet

Link

Score

0 (low disability) – 100 (high disability)

Attributes

• Good hypothesis testing, responsiveness, and interpretability
• Can be reliably followed over time
• Superior development methodology, resulting in improved floor/ceiling effects
• Most feasible PROMIS measure due to fewer number of questions and no need for computer or proprietary software
• Rigorously developed and extensively tested in general population and chronic conditions but not yet used widely in RA studies

Length

10 questions

Topics

• Toileting
• Opening doors
• Standing from a chair
• Walking on flat ground
• Waiting in line
• Reaching for an object
• Ambulating up steps
• Performing outdoor work
• Lifting heavy objects
• Moving heavy objects

Link

Score

0 (low disability) – 3 (high disability)

Attributes

• Good internal consistency and interpretability
• Can be reliably followed over time
• Superior development methodology, resulting in the smallest floor effect among the HAQ measures
• Easier to administer and score than the HAQ
• Captures disability spectrum better than M-HAQ, MDHAQ, and HAQ-DI

Length

10 questions

Topics

• Dressing and grooming
• Arising
• Eating
• Walking
• Hygiene
• Reaching
• Gripping
• Errands and chores
• 'Walk 2 miles' (3.2 km)
• 'Participate in recreational activities and sports as you would like'

Link

Score

0 (low disability) – 3 (high disability)

Attributes

• Good internal consistency and interpretability
• Can be reliably followed over time
• Greater feasibility than HAQ
• More favourable psychometric properties relative to M-HAQ
• Inferior performance to HAQ-II and PROMIS