Internal consistency and factor structure of Jenkins Sleep Scale: cross-sectional cohort study among 80 000 adults.
Juhani JuholaJ P A ArokoskiJenni M ErvastiMika KivimäkiJussi VahteraSaana MyllyntaustaM SaltychevPublished in: BMJ open (2021)
The Finnish translation of JSS was found to be a unidimensional scale with good internal consistency. As such, the scale may be recommended as a practicable questionnaire when studying sleep difficulties in a healthy working-age population.