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Table 1 The guidance of scoring the factors

From: Development of modified rapid entire body assessment (MOREBA) method for predicting the risk of musculoskeletal disorders in the workplaces

Factor Scoring Factor Scoring
Posture group A Assessing the most worst and frequent positions related to neck, trunk, and legs during work time and calculating score A using the table of REBA method. Static activity - Never (0)
- Little (1)
- Sometimes (2)
- Much (3)
- Very much (4)
Posture group B Assessing the most worst and frequent positions related to upper arm, lower arm, and wrist during work time and calculating score B using the table of REBA method. Repetitive activity - Never (0)
- Little (1)
- Sometimes (2)
- Much (3)
- Very much (4)
Coupling status - Very good (0)
- Good (1)
- Acceptable (2)
- Poor (3)
- Very poor (4)
Rapid and sudden movement - Never (0)
- Little (1)
- Sometimes (2)
- Much (3)
- Very much (4)
Contact stress - Never (0)
- Little (1)
- Sometimes (2)
- Much (3)
- Very much (4)
Throwing motion (such as hitting with a hammer or hand) - Never (0)
- Little (1)
- Sometimes (2)
- Much (3)
- Very much (4)
Load Maximum load weight - Less than 5 kg (0)
- 5 to 10 kg (1)
- 10 to 15 kg (2)
- 15 to 20 kg (3)
- More than 20 kg (4)
Hand-arm vibration - Never (0)
- Little (1)
- Sometimes (2)
- Much (3)
- Very much (4)
Load-carrying time - Never (0)
- Less than 2 h (1)
- 2 to 4 h (2)
- 4 to 6 h (3)
- More than 6 h (4)
Whole-body vibration - Never (0)
- Little (1)
- Sometimes (2)
- Much (3)
- Very much (4)
Force Maximum force value - Less than 1 kg (0)
- 1 to 2 kg (1)
- 2 to 4 kg (2)
- 4 to 6 kg (3)
- More than 6 kg (4)
Air temperature - Neutral (0)
- Slightly warm or cool (1)
- Warm or cool (2)
- Hot or cold (3)
- Very hot or very cold (4)
Work time - Less than 2 h (0)
- 2 to 4 h (1)
- 4 to 6 h (2)
- 4 to 8 h (3)
- More than 8 h (4)
Work – rest cycle (rest duration per two hours) - Without rest (4)
- 15 min (3)
- 30 min (2)
- 45 min (1)
- 60 min and more (0)