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Effects of a structured ergonomic training on knowledge and utilization of ergonomics among bankers - A single-blind
Echezona Nelson Dominic Ekechukwu1,2,3, Chisom Favour Ede1, Stephen Sunday Ede4,5
1Department of Medical Rehabilitation, Faculty of Health Sciences and Technology, College of Medicine, University of Nigeria, Enugu, Nigeria.
Background:
Poor ergonomic knowledge and its utilization is a significant risk factor for work-related musculoskeletal disorders reported to be high among bankers. Empirical evidence of an effective structured ergonomic training intervention on the knowledge and utilization (KU) of ergonomics for this population is lacking.
Objectives:
This study sought to determine the effectiveness of a structured ergonomic training intervention on the KU of ergonomics principles among bankers in Nigeria.
Methods:
This is a single-blind pragmatic randomized controlled trial with a cluster-randomization of 45 Nigerian bankers into intervention (structured ergonomic training - SET, n = 27) and control (placebo ergonomic training - PET, n = 18) groups. Ergonomic Knowledge/Utilization before (KU1) and after (KU2) training was assessed using a questionnaire developed through a two-step expert validation process. Data were analyzed descriptively and inferentially using independent and paired t-tests at α=0.05.
Results:
At baseline, the participants' variables of age (28.52 ± 2.89years vs 28.72 ± 3.34years), BMI (25.14 ± 3.75 kgm-2 vs 23.45 ± 3.51kgm-2), and KU1(2.96 ± 1.65 vs 2.56 ± 1.72) of both groups (SET vs PET) were comparable (p > 0.05). However, the KU2 (t = 6.70, p < 0.0001) and change in KU (t = 7.05, p < 0.0001) were significantly higher in SET (7.33 ± 1.33and 4.37 ± 1.69 respectively) than in PET (2.93 ± 2.34 and 0.47 ± 1.77 respectively).
Conclusion:
This study finding revealed a low level of knowledge and utilization of ergonomic principles among Nigerian bankers and showed that structured ergonomic training protocol is effective in improving the knowledge and utilization of ergonomic principles among Nigerian bankers. A nationwide ergonomic training and evaluation using this training manual is recommended.
