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Table 7 Multivariate Discriminant function analysis to predict the BMI based on OSI components

From: Effect of Body Mass Index on work related musculoskeletal discomfort and occupational stress of computer workers in a developed ergonomic setup

OSI components Percentage of correct classification of BMI Wilk's Lambda χ2 value
1. Role over load 96.0 0.120 205.765*
2. Role ambiguity 96.0 0.289 120.560
3. Role conflict 93.0 0.157 179.864
4. Unreasonable group and Pol. Pressure 92.0 0.107 217.158*
5. Responsibility for persons 87.0 0.094 229.334*
6. Under participation 63.0 0.803 21.336
7. Powerlessness 66.0 0.681 37.209
8. Poor peer relation 73.0 0.675 38.105
9. Intrinsic impoverishment 76.0 0.457 75.950
10. Low status 53.0 0.788 23.102
11. Strenuous working condition 91.0 0.097 225.950*
12. Un-profitability 90.0 0.193 159.541
All 97.0 0.011 412.580*
  1. * Significant (p < 0.001)