REF_T1_GSRS
Networks
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Variables
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Gastrointestinal symptoms were assessed using the GSRS questionnaire. The instrument includes 15 items evaluating five symptom clusters, each rated on a 7-point Likert scale.
https://link.springer.com/article/10.1007/BF01535722
Licence: Creative Commons Attribution 4.0 International (CC-BY 4.0)
Population
REF
REF (Reference Group); Community-dwelling healthy older adults with good metabolic health and mobility and who are physically active; reference population for comparison with compromised groups. This population was assessed at the Leiden University Medical Center in Leiden, the Netherlands.