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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)