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Table 1 Proxy indicators used for each topic

From: What causes the experience of discrimination in non-regular workers?

Proxy indicator Questionnaire Cronbach’s alpha
Physical occupational risk factors Q23 A, B, C, D, E, F, G, H, I 0.812
Musculoskeletal occupational risk factors Q24 A, B, C, D, E 0.648
Mental occupational risk factors Q24 F, G 0.449
Work patterns Q37 A, B, C, D, E, F 0.686
Support of boss Q58 A, B, C, D 0.811
Occupational stress- job demand Q45 A, B 0.882
Occupational stress- interpersonal conflict Q51 A, B 0.811
Occupational stress- job autonomy Q51 E, F, O 0.632
Occupational stress- job instability Q77 A, F 0.524
Occupational stress- lack of reward Q77 B