Table 1.
Social and demographic background of the study population.
| Continuous variables | M | SD | Range |
|---|---|---|---|
| Age (in years) | 42.93 | 14.12 | 19–67 |
| Employment (past 3 months; % of full employment) | 88.14 | 17.71 | 50–100 |
| Years on job (in years) | 21.82 | 13.94 | 1–47 |
| Height | 173.37 | 9.16 | 152–195 |
| Weight | 72.17 | 13.87 | 42–115 |
| BMI | 23.90 | 3.60 | 17.30–37.20 |
| Categorical variables | n | % | |
| Sex | |||
| Women | 147 | 48 | |
| Men | 159 | 52 | |
| Marital status | |||
| Single | 72 | 24 | |
| In a relationship | 234 | 76 | |
| Children living at home | |||
| Yes | 125 | 41 | |
| No | 181 | 59 | |
| Responsibility as a caregiver | |||
| Yes | 6 | 2 | |
| No | 300 | 98 | |
| Nocturnal shift work | |||
| Yes | 26 | 8 | |
| No | 280 | 92 | |
| Highest completed education | |||
| Compulsory schooling | 1 | 0 | |
| Vocational education and training | 89 | 29 | |
| Commercial education or intermediate diploma school | 40 | 13 | |
| High school | 28 | 9 | |
| University or university of applied sciences | 148 | 48 | |
| Smoking | |||
| Yes | 45 | 15 | |
| No | 261 | 85 | |
| Use of psychotropic medication | |||
| Yes | 4 | 1 | |
| No | 302 | 99 | |