| Min–Max | Mean/proportion | Standard deviation |
---|---|---|---|
STRESS RESPONSE | Â | Â | Â |
    Cortisol | 0.00–4.07 | 0.18 | 0.22 |
WORK | Â | Â | Â |
    Skill utilization | 6–24 | 18.27 | 3.04 |
    Decision authority | 3–12 | 8.81 | 1.84 |
    Psychological demands | 13–36 | 23.27 | 3.77 |
    Physical demands | 1–4 | 1.77 | 0.85 |
    Number of hours worked | 17–65 | 39.22 | 5.10 |
    Work schedule (irregular) | 1–4 | 1.45 | 0.65 |
    Social support from coworkers | 6–16 | 12.76 | 1.93 |
    Social support from supervisor | 4–16 | 12.45 | 2.42 |
    Job insecurity | 2–8 | 3.77 | 1.28 |
PERSONALITY | Â | Â | Â |
    Self–esteem | 9–24 | 19.80 | 3.12 |
    Locus of control | 3–28 | 20.00 | 4.20 |
    Extraversion | 4–20 | 12.98 | 3.31 |
    Agreeableness | 4–20 | 15.91 | 2.44 |
    Neuroticism | 4–18 | 10.28 | 2.80 |
    Conscientiousness | 4–20 | 15.18 | 2.48 |
    Openness | 7–20 | 14.48 | 2.78 |
CONTROL VARIABLES | Â | Â | Â |
    Sex (female) | 0–1 | 0.55 |  |
    Age | 19–65 | 41.40 | 10.51 |
    Education level | 1–10 | 5.20 | 2.16 |
    Household income | 1–12 | 7.50 | 3.26 |
    Social support outside workplace | 0–1 | 0.82 |  |
    Stressful life events (childhood) | 0–6 | 1.09 | 1.22 |
    Marital status (living as couple) | 0–1 | 0.74 |  |
    Parental status (present) | 0–4 | 0.89 | 1.04 |
    Marital stress | 0–4 | 0.48 | 0.88 |
    Parental stress | 0–3 | 0.21 | 0.56 |
    Tobacco use | 0–25 | 1.09 | 3.82 |
    Body mass index | 17.13–68.25 | 29.86 | 6.94 |
    Alcohol consumption | 0–42 | 4.45 | 5.44 |
    Psychotropic drug use | 0–1 | 0.10 |  |
    Chronic health problems | 0–5 | 1.03 | 1.23 |
    Physical activity | 1–7 | 4.31 | 2.00 |
    Season–Winter |  | 0.21 |  |
    Season–Spring |  | 0.46 |  |
    Season–Summer |  | 0.11 |  |
    Season–Autumn |  | 0.23 |  |
    Awakening time | 2–12.47 | 6.86 | 1.51 |