Scale/Subscale items/ Fit indices

Health workers

Petroleum workers

Standardised Loadings (95% CI)

(δ)

Standardised Loadings (95% CI)

(δ)

Skill Discretion

“Learn new things”

0.64 (0.62 - 0.66)

0.58

0.69 (0.64 - 0.74)

0.51

“Requires creative”

0.69 (0.67 - 0.71)

0.52

0.76 (0.72 - 0.81)

0.41

“High skill level”

0.59 (0.56 - 0.61)

0.65

0.63 (0.58 - 0.68)

0.60

“Variety”

0.65 (0.63 - 0.67)

0.57

0.64 (0.58 - 0.70)

0.59

“Develop own abilities”

0.66 (0.64 - 0.69)

0.55

0.57 (0.50 - 0.63)

0.67

Decision Authority

“Lot to say about my job”

0.85 (0.80 - 0.90)

0.27

0.44 (0.37 - 0.51)

0.80

“Allows own decisions”

0.30 (0.27 - 0.33)

0.90

0.70 (0.64 - 0.75)

0.51

“Little decision freedom”*

0.30 (0.27 - 0.34)

0.90

0.76 (0.72 - 0.81)

0.41

Psychological Job Demand

“Working hard”

0.63 (0.60 - 0.66)

0.60

0.79 (0.75 - 0.83)

0.37

“Working fast”

0.53 (0.50 - 0.56)

0.71

0.76 (0.72 - 0.80)

0.42

“No excessive work”*

0.30 (0.27 - 0.34)

0.90

0.56 (0.51 - 0.61)

0.68

“Enough time to get the job done”*

0.50 (0.47 - 0.52)

0.74

0.77 (0.73 - 0.81)

0.41

“Conflicting demands”

0.59 (0.56 - 0.62)

0.65

0.31 (0.24 - 0.39)

0.90

Emotional Demand

“Work is emotionally demanding”

0.79 (0.77 - 0.81)

0.37

-

-

“Communication and negotiation”

0.73 (0.71 - 0.75)

0.46

-

-

“Suppressing my genuine emotion”

0.69 (0.67 - 0.71)

0.52

-

-

Supervisor Social Support

“Supervisor is concerned”

0.73 (0.71 - 0.75)

0.46

0.88 (0.85 - 0.91)

0.22

“Supervisor supports my job”

0.87 (0.84 - 0.89)

0.24

0.96 (0.94 - 0.99)

0.06

“Treats me with respect”

0.50 (0.47 - 0.52)

0.75

0.74 (0.69 - 0.78)

0.45

Coworker Social Support

“People are friendly”

0.86 (0.84 - 0.87)

0.26

0.82 (0.77 - 0.86)

0.33

“People support me to do my job”

0.81 (0.80 - 0.82)

0.34

0.77 (0.72 - 0.82)

0.41

“People treat me with respect”

0.83 (0.82 - 0.84)

0.30

0.85 (0.80 - 0.89)

0.28

Fit indices

RMSEA**

0.066 (0.064 - 0.069)

0.065 (0.061 - 0.075)

CFI***

0.91

0.95

TLI****

0.90

0.94