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Table 4 Summary of multigroup modelling process including tests for equality of coefficients and partially constrained multigroup probit model

From: The working disadvantaged: the role of age, job tenure and disability in precarious work

  Test for equality for separate constrained models Multigroup analyses (Partially constrained model)
  No disability Disability
  X2 (df) OR (95%CI) OR (95%CI)
Independent variables
 Age (years) 7.8 (2)model a*   
  Young adult (18–35)   ref ref
  Middle-aged adult (36–50)   0.99 (0.66, 1.50) 1.31 (0.86, 1.99)
  Older adult (> 50)   0.67 (0.42, 1.06) 1.88 (1.19, 2.98)
 Job tenure (years) 5.6 (1)model b* 0.99 (0.97, 1.01) 0.95 (0.93, 0.98)
Sociodemographic
 Gender (women) 2.7 (1)model c 0.96 (0.69, 1.34) 1.36 (0.96, 1.91)
 Marital Status
  Married/living as married   ref ref
  Widowed/divorced/separated   1.56 (1.08, 2.24) 1.56 (1.08, 2.24)
  Never married   1.21 (0.93, 1.57) 1.21 (0.93, 1.57)
 Educational attainment
  Primary-high school   0.95 (0.68, 1.34) 0.95 (0.68, 1.34)
  Some post-secondary   0.87 (0.65, 1.14) 0.87 (0.65, 1.14)
  Graduated post-secondary   ref ref
Health factors
 Pain (0–10)   1.06 (0.99, 1.13) 1.06 (0.99, 1.13)
 Fatigue (0–10)   1.03 (0.97, 1.09) 1.03 (0.97, 1.09)
 Self-rated health (1–5)   0.77 (0.68, 0.88) 0.77 (0.68, 0.88)
Work characteristics
 Job sector
  Business/administration   0.57 (0.39, 0.82) 0.57 (0.39, 0.82)
  Health/science/teaching   0.70 (0.50, 0.98) 0.70 (0.50, 0.98)
  Sales/service   1.19 (0.84, 1.69) 1.19 (0.84, 1.69)
  Trades/transportation   ref ref
 Organization size (# of people)
  Small (1–50)   ref ref
  Medium (51–150)   0.75 (0.52, 1.06) 0.75 (0.52, 1.06)
  Large (150<)   0.79 (0.59, 1.05) 0.79 (0.59, 1.05)
 Productivity loss (0–10)   0.95 (0.90, 1.01) 0.95 (0.90, 1.01)
 Perceived work physical demands (1-5) 6.2 (1)model d* 0.82 (0.72, 0.93) 0.97 (0.86, 1.10)
 Perceived work mental demands (1-5) 3.7 (1)model e 0.81 (0.70, 0.93) 1.00 (0.85, 1.16)
  1. Notes: OR Odds ratio, CI Confidence interval, ref. Reference category; † = Participants who reported activity limitations related to a physical, cognitive, mental/emotional, sensory and/or other disability; df = degrees of freedom;  = all paths were constrained as equal accept for age (model a), job tenure (model b) as well as gender (model c), physical work demands (model d) and mental work demands (model e); * = partially constrained model is significantly different when compared to fully constrained model