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JNTMORNSTF
Cause of morning stiffness

Codes and Frequencies



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Description

For persons who reported anyone in the family having stiffness in joints when first getting out of bed in morning during the past 12 months, JNTMORNSTF reports on the cause of morning joint stiffness.

Comparability

This variable is completely comparable over time.

Universe

  • 1969: Persons reporting stiffness in joints when first getting out of bed in morning.

Availability

  • 1969

Weights