Fig. 3From: A cluster-randomized trial of workplace ergonomics and neck-specific exercise versus ergonomics and health promotion for office workers to manage neck pain – a secondary outcome analysisAdjusted neck pain intensity (mean) between- and within-groups over time for Neck Cases (ITT analysis n = 96). Model adjusted for those variables significant in the univariate association (gender; age; comorbidity; ergonomic score; interaction between age and comorbidity; medication use and seen by a professional interaction; total hours worked and group interaction)Back to article page