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Table 2 Main effects of work and specific personality traits on cortisol concentrations (unstandardized coefficients)

From: The moderating role of personality traits in the relationship between work and salivary cortisol: a cross-sectional study of 401 employees in 34 Canadian companies

  At awakening After 30 min 2 p.m. 4 p.m. At bedtime
Fixed part      
    Constant (Day off) 2.882** 3.107** 1.982** 1.566** 1.004**
    Workday 1 0.137** 0.354** −0.016 −0.037 0.039
    Workday 2 0.185** 0.387** −0.020 −0.088* 0.074
WORK      
    Skill utilization −0.014 −0.009 −0.011 −0.009 0.015
    Decision authority 0.018 −0.000 0.015 −0.006 −0.025
    Psychological demands −0.006 −0.002 −0.018 0.001 −0.034**
    Physical demands −0.043 −0.041 −0.022 0.028 0.015
    Number of hours worked −0.002 −0.002 0.010 0.001 0.001
    Work schedule (irregular) 0.046 0.033 0.076 0.049 0.239
    Support from coworkers −0.022 −0.013 −0.008 −0.031 0.002
    Support from supervisors 0.006 0.014 −0.007 0.012 −0.017
    Job insecurity −0.021 −0.021 −0.034 −0.059* −0.077*
PERSONALITY      
    Self-esteem −0.016 −0.011 −0.010 0.006 −0.016
    Locus of control −0.005 0.000 0.005 −0.008 0.000
Random part and fit      
    σ2 (companies) 0.021** 0.026** 0.022 0.018 0.026
    σ2 (employees) 0.107** 0.129** 0.146** 0.253** 0.354**
    σ2 (samples) 0.220** 0.249** 0.258** 0.316** 0.419**
     χ2 12858.4** 12724.7** 12731.4** 12452.4** 12174.7**
    df 33 33 33 33 33
  1. Note A: *p ≤ 0.05 and **p ≤ 0.01
  2. Note B: The following variables were controlled for in all models: gender, age, educational level, household income, social support outside the workplace, stressful childhood events, marital status, parental status, marital stress, parental stress, smoking, BMI, alcohol, psychotropic drugs, chronic health problems, physical activity, season, time of awakening