During the last 12 months/year, have you experienced, stiffness in the joint in the morning after getting up from bed, or after a long rest of the joint without movement?
Categories
Value
Category
1
yes
2
no
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Question pretext
On how many days did you have this back pain during the last month? Number of days