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Sleep Med ; 89: 141-146, 2022 01.
Article in English | MEDLINE | ID: mdl-34983016

ABSTRACT

OBJECTIVE: To evaluate the association between restless legs syndrome (RLS) and hypertension in men and women based on a community-based cohort of middle-aged and elderly participants. METHODS: This cross-sectional observational study enrolled 4080 participants from the Sleep Heart Health study (SHHS). RLS was defined by positive responses on a self-administered questionnaire assessing the four diagnostic criteria, with symptoms occurring at least five times per month and associated with at least moderate distress. Hypertension was defined as SBP ≥140 mmHg, DBP ≥90 mmHg, or current use of antihypertensive medication. Propensity score-matched (PSM) inverse probability treatment weighting (IPTW) analyses and multivariable logistic regression were used to examine the relationship between RLS and hypertension. RESULTS: RLS was present in 6.8% of women (n = 152) and 3.2% of men (n = 59). In the primary cohort analysis, the odds ratio (OR) for hypertension was 1.60 [95% confidence interval (CI) 1.19-2.16, p < 0.001] for participants with RLS compared to those without RLS. In the PSM analyses, the OR for hypertension was 1.66 (95% CI 1.09-2.54, p = 0.019) for participants with RLS compared to those without RLS. In sex subgroup analyses, the association between RLS and hypertension persisted in women. In the PSM cohort, the ORs for hypertension were 1.67 (95% CI 1.01-2.81, p = 0.048) and 1.85 (95% CI 0.75-4.75, p = 0.191) in women and men, respectively. Similar results were found in IPTW cohort. CONCLUSIONS: This study revealed a positive association between RLS and hypertension in a community-based population; in sex subgroup analyses, the association persisted in women.


Subject(s)
Hypertension , Restless Legs Syndrome , Aged , Cohort Studies , Cross-Sectional Studies , Female , Humans , Hypertension/complications , Hypertension/epidemiology , Male , Middle Aged , Prevalence , Propensity Score , Restless Legs Syndrome/diagnosis
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