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Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Daily Overview

Session

WR2_2_2: Abstract presentations: Measuring and Monitoring 24-Hour Movement Behaviours
Location: White room 2
Session Chair: Javier Brazo-Sayavera

Presentation 7

12:01pm - 12:04pm

Sleep in the Context of 24-Hour Movement Behavior: A Study of Slovenian Adolescents

Marjeta Peperko¹, Anja Strmšek¹, Ajda Mlakar², Andreja Kukec²

1: National Institut of Public Health of Slovenia, Slovenia; 2: Faculty of Medicine, University of Ljubljana, Slovenia

Sleep represents a fundamental pillar of health and one of the key elements of 24-hour movement behaviour, yet remains understudied in Slovenian adolescents. This study examined sleep habits and psychosocial determinants of healthy sleep among 13-year-olds in Celje Municipality, utilizing newly translated and validated Slovenian questionnaires. The research aimed to provide foundations for developing public health interventions addressing adolescent sleep health within the framework of 24-hour movement behavior.

Methods

We translated, culturally adapted, and validated two questionnaires: the Pediatric Sleep Practices Questionnaire (PSPQ) and the Psychosocial Determinants of Sleep Behavior and Healthy Sleep (PSD) questionnaire. They were used in cross-sectional epidemiological study among eighth-graders (N=356, mean age 13.4±0.55 years, 49.2% female) from Celje Municipality in February 2024. Participants completed the validated NASPAN.si questionnaire assessing sleep practices, psychosocial determinants, and 24-hour movement behaviors.

Results

Both Slovenian questionnaires demonstrated adequate content validity (CVR>0.59, CVI>0.78, FVI>0.50) and internal consistency (PSPQ-SI: Cronbach's α=0.702, λ₂=0.732; PSD-SI: Cronbach's α=0.798, λ₂=0.818). Two-thirds (66.5%) of adolescents reported insufficient sleep time during school days, with 68.0% exhibiting late or very late bedtimes and 39.3% demonstrated significant weekend sleep extension (>2 hour). Only 29.3% met physical activity guidelines, while 58.6% exceeded screen time recommendations on school days.

Conclusions

This study confirms that insufficient sleep represents a public health challenge among adolescents, intrinsically linked to excessive screen time and inadequate physical activity. The validated Slovenian questionnaires enable systematic monitoring and provide foundations for evidence-based, multi-sectoral interventions targeting adolescents, parents, and educators to promote healthy sleep habits and balanced daily movement behaviors.