Age-related differences in psychometric properties of World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0): a retrospective analysis.

The aim of this study was to detect a possible age-related differential item functioning (DIF) of the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) among people with musculoskeletal disorders.

Physical activity as mediator between back pain and disability.

The objective was to explore the mediating role of leisure-time physical activity on the correlation between back pain and disability. A mediation analysis was conducted among the cross-sectional sample of 1330 patients in outpatient clinic. The average age was 47.

Sex-related differential item functioning of the Jenkins Sleep Scale: a cross-sectional study among 77 967 employees in the Finnish public sector.

Objectives: To investigate if the Jenkins Sleep Scale (JSS) demonstrates sex-related differential item functioning (DIF).

Design: Cross-sectional study.

Setting: Survey data from the Finnish Public Sector study (2015-2017).

Psychometric properties of neck disability index - a systematic review and meta-analysis.

Purpose: To evaluate the data on the psychometric properties of the Neck Disability Index (NDI).

Materials And Methods: Medline, Embase, PsychINFO, Web of Science, and Scopus were searched in April 2023. The random effects meta-analysis was conducted when possible.

Factors affecting association between pain severity and physical activity among people with low back pain.

The aim was to identify factors, which may affect the relationship between physical activity and pain severity among patients with low back pain (LBP). It was a cross-sectional survey-based study among 1332 consecutive patients with LBP. Linear regression models were employed.

Effectiveness of High-Frequency Repetitive Transcranial Magnetic Stimulation in Migraine: A Systematic Review and Meta-analysis.

Objective: The aim of the study was to evaluate the effectiveness of repetitive transcranial magnetic stimulation in migraine measured by decrease in pain severity or attack frequency.

Methods: A search at the Cochrane Controlled Trials Register (CENTRAL), MEDLINE (via PubMed), Embase, CINAHL, Web of Science, and Scopus. The risk of systematic bias was rated by using the Cochrane domain-based quality assessment tool.

Persistence of sleep difficulties for over 16 years amongst 66,948 working-aged adults.

The objective was to investigate the persistence of sleep difficulties for over 16 years amongst a population of working age. In this prospective cohort study, a group-based trajectory analysis of repeated surveys amongst 66,948 employees in public sector (mean age 44.7 [SD 9.

Association of changes in lifestyle with changes in sleep difficulties: an analysis of 38 400 participants over a 16-year follow-up.

Objectives: To investigate the association between changes in lifestyle risk factors and changes is sleep difficulties.

Design: Longitudinal repeated measures cohort study.

Setting: University and national institute of occupational health.

Effectiveness of topical glyceryl trinitrate in treatment of tendinopathy - systematic review and meta-analysis.

Purpose: The objective of this meta-analysis was to evaluate the evidence on the effectiveness of glycerin trinitrate (NTG) measured by pain severity.

Materials And Methods: CENTRAL, MEDLINE, EMBASE, SCOPUS, and WEB of SCIENCE databases were searched in November 2020. The study selection was performed by two independent reviewers.

Internal consistency and factor structure of Jenkins Sleep Scale: cross-sectional cohort study among 80 000 adults.

Objectives: To assess the internal consistency and construct validity of the Finnish translation of the Jenkins Sleep Scale (JSS) in a large healthy working-age population with diverse work characteristics.

Design: Survey-based cross-sectional cohort study.

Setting: Survey conducted by an institute of occupational health.