Effects of a structured ergonomic training on knowledge and utilization of ergonomics among bankers - A single-blind pragmatic randomized controlled trial.
Echezona Nelson Dominic Ekechukwu, Chisom Favour Ede, Stephen Sunday Ede
PMID 40255147WHAT IT FOUND
A 45-minute ergonomic training raised bankers' self-reported ergonomic knowledge from 2.96 to 7.33 out of 10 at six weeks, while a placebo session did not.
The measure was what participants said they knew and planned to do, not observed practice or physical health.
Key findings
01The training group's post-training ergonomic knowledge and utilization score was 7.33 out of 10 versus 2.93 for the placebo group (t = 6.70, p < 0.0001), and the change in score was 4.37 versus 0.47 (t = 7.05, p < 0.0001).
02Within the training group the score rose from 2.96 to 7.33 (p < 0.0001); within the placebo group it moved from 2.47 to 2.93 (p = 0.324).
03The outcome was a self-report questionnaire of knowledge and planned behavior. No physical, performance-based, or musculoskeletal health measures were used.
STILL TO COME
How it was doneWhat they found
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What it does not show
The outcome was self-reported knowledge and planned behavior only. No one observed the bankers at their desks, and no musculoskeletal or physical function measures were taken. Follow-up was six weeks. Whether the knowledge and planned changes held beyond that is unknown. Twenty-one percent of recruited participants did not complete the study (57 recruited, 45 analysed). Participants with existing musculoskeletal disorders were excluded, so the findings apply only to bankers without current physical complaints. The study was conducted at a single site in Enugu state, Nigeria, with a small sample of 45.
Declared interests
The authors declared no funding and no conflicts of interest.
The easy way to misread this
Do not read the 4.37-point improvement as evidence the training changed how these bankers actually sat, typed, or moved at their desks. The outcome was a self-report questionnaire asking what they knew and planned to do, not an observation of their work or a measure of musculoskeletal health.
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