Observational studyScientific reports2025
Sleep quality in Spanish adults: an age- and sex-stratified cross-sectional study.
Observational study in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05324267 (Analysis of the Determinants of Sleep Quality in a Spanish Population. a Study Protocol for a Cross-sectional Study), which is not on this map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Analysis of the Determinants of Sleep Quality in a Spanish Population. a Study Protocol for a Cross-sectional Study
Who cites it
2 citing papers in PubMed.
- Insufficient Sleep, Sleep Disturbance, and Napping in Australia: A Cross-Sectional Analysis From a Household-Based Panel Study.International journal of behavioral medicine · 2026Article
- Physical activity levels, sleep quality and perceived stress in Chilean students: a cross-sectional study.Frontiers in sports and active living · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
Abstract
Poor sleep quality is associated with obesity, cardiovascular disease, cognitive impairment, increased hospitalization and mortality. Combining actigraphy with questionnaires effectively evaluates sleep. Age and sex shape both subjective sleep quality and objective actigraphic metrics; however, stratified estimates combining both approaches in Spanish adults are scarce. The aim of this study was to analyse the role of age and sex on sleep quality, in an age-sex stratified random sample of the general Spanish population. For this, it was carried out a cross-sectional descriptive study carried out in Salamanca and Ávila (Spain). The study population included a sample of 500 people aged 25-65 years selected by stratified random sampling by age and sex. Sleep quality was analysed using actigraphy and the Pittsburgh Sleep Quality Index-PSQI. Sociodemographic and clinical variables were also studied. The results were that men obtained a lower mean PSQI score than women. By age group, the poorer subjective sleep quality corresponded to the 25-years group, whereas the 45-year group had the lowest PSQI scores. Actigraphy showed higher efficiency in women. Men had more WASO, more awakenings and higher fragmentation. Midlife groups (35-45 years) showed lower efficiency and higher WASO. Trial registration number: NCT05324267.
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Registered trials
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