Trial reportJournal of occupational health2026
Effects of a telework environment intervention on work setup behaviors and somatic symptoms among Japanese teleworkers: a secondary analysis of the TELEWORK cluster randomized controlled trial.
Trial report in Journal of occupational health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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
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Authors and funding
11 authors.
Funding
Abstract
objectivesHome workspace ergonomics may influence telework-related somatic symptoms; however, evidence regarding interventions promoting teleworkers' self-directed environment setup remains limited. We examined the effects of a behavioral science-based educational intervention on telework environment setup behaviors and somatic symptoms among Japanese employees.
methodsThis was a secondary analysis of the TELEWORK cluster randomized controlled trial (UMIN000053861). Workplace departments were randomized as clusters (1:1) to intervention/control. The 12-week program comprised educational emails, short videos, individualized feedback sheets, and supportive supervisor messages. The primary and secondary outcomes were the Telework Environment Setup Behavior (12 items) and Somatic Symptom Scale-8 (SSS-8) scores, respectively. Analyses used a modified intention-to-treat approach with mixed-effects models.
resultsTwelve clusters from 6 companies participated (182 and 188 in the intervention and control groups, respectively). No significant between-group differences were observed in environment setup (difference, 1.34; 95% CI, -1.67 to 4.35; P = .345) or SSS-8 (difference, -1.10; 95% CI, -2.59 to 0.38; P = .129) scores at follow-up. In the process evaluation, over half of intervention participants who completed the follow-up reported satisfaction, nearly 90% read the emails, and approximately 40% viewed the videos. Among video viewers, approximately two-thirds reported adopting recommended behaviors, while >80% rated the content useful.
conclusionsThis secondary analysis did not detect statistically significant improvements in telework environment setup behaviors or somatic symptoms. Statistical conclusions regarding intervention effects remain inconclusive, underscoring the need for organizationally supported, multifaceted strategies to strengthen telework environments.
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