2022
DOI: 10.1111/jsr.13571
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Validation of questionnaires for restless legs syndrome in the general population: the Trøndelag Health Study (HUNT)

Abstract: Questionnaires for restless legs syndrome have rarely been validated against faceto-face interviews in the general population. We aimed to validate the modified Norwegian, seven-item Cambridge-Hopkins restless legs syndrome questionnaire and a single diagnostic question for restless legs syndrome. We also aimed to stratify validity at 65 years of age. Among a random sample of 1,201 participants from the fourth wave of the Trøndelag Health Study, 232 (19%) agreed to participate, out of whom 221 had complete dat… Show more

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Cited by 3 publications
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“…We found higher validity among those above (vs. below) 50 years of age. By comparison, we previously found lower validity of questionnaire-based diagnoses for insomnia and restless leg syndrome among elderly participants in the same population, proposing age-dependent decreases in reading comprehension or increases in competing causes of symptoms as potential mechanisms [ 21 , 22 ]. Both these factors may have been weakened by the current inclusion of nonquestionnaire items and by the lower age cut-off in the current study (≥50 vs. ≥65 years).…”
Section: Discussionmentioning
confidence: 99%
“…We found higher validity among those above (vs. below) 50 years of age. By comparison, we previously found lower validity of questionnaire-based diagnoses for insomnia and restless leg syndrome among elderly participants in the same population, proposing age-dependent decreases in reading comprehension or increases in competing causes of symptoms as potential mechanisms [ 21 , 22 ]. Both these factors may have been weakened by the current inclusion of nonquestionnaire items and by the lower age cut-off in the current study (≥50 vs. ≥65 years).…”
Section: Discussionmentioning
confidence: 99%