HR of prescription for psychotropic medication in 2014 (n=1616) among the study population (n=15 038)
| Fixed part | Prescription, follow-up 1 January to 31 December 2014 | ||||
| Model 1 | Model 2 | Model 3 | |||
| HR | 95% CI | HR | 95% CI | ||
| Work-unit level variables (level 2) | |||||
| Any organisational changes* | 1.13 | 1.02 to 1.26 | 1.14 | 1.02 to 1.26 | |
| Number of employees within work unit† | |||||
| 13–22 | 1.00 | 0.86 to 1.15 | |||
| 23–32 | 0.95 | 0.81 to 1.10 | |||
| 33–142 | 0.82 | 0.70 to 0.96 | |||
| Individual-level variables (level 1) | |||||
| Age group‡ | |||||
| 40–48 | 1.41 | 1.19 to 1.69 | |||
| 48–56 | 1.68 | 1.40 to 2.00 | |||
| 56–75 | 2.09 | 1.73 to 2.51 | |||
| Male§ | 0.88 | 0.77 to 1.02 | |||
| Occupational group¶ | |||||
| Medical doctors/dentists | 2.33 | 1.85 to 2.88 | |||
| Social/healthcare workers | 0.95 | 0.80 to 1.13 | |||
| Pedagogical workers | 0.89 | 0.63 to 1.25 | |||
| Service/technical workers | 0.94 | 0.77 to 1.16 | |||
| Administrative workers | 1.17 | 1.00 to 1.35 | |||
| Seniority, years** | |||||
| 5–10 | 1.10 | 0.94 to 1.28 | |||
| 11–20 | 1.00 | 0.85 to 1.19 | |||
| ≥21 | 0.99 | 0.82 to 1.19 | |||
| Manager, yes†† | 0.97 | 0.79 to 1.21 | |||
| Weekly working hours‡‡ | |||||
| 32–37 | 1.00 | 0.85 to 1.17 | |||
| ≥37 | 0.77 | 0.68 to 0.88 | |||
| Contractual employment, yes§§ | 1.00 | 0.82 to 1.22 | |||
| Personal gross income, DKK¶¶ | |||||
| 345 000–400 000 | 0.90 | 0.79 to 1.04 | |||
| 400 001–480 000 | 0.85 | 0.72 to 0.98 | |||
| ≥480 001 | 0.86 | 0.71 to 1.03 | |||
| Sickness absence in 2012, days*** | |||||
| 1–3 | 0.91 | 0.77 to 1.07 | |||
| 4–6 | 1.20 | 1.01 to 1.42 | |||
| 7–13 | 1.52 | 1.30 to 1.78 | |||
| ≥14 | 2.33 | 2.01 to 2.70 | |||
| Random part | |||||
| ICC (p value), work-unit level (level 2) | 0.06 (<0.01) | 0.05 (<0.01) | 0.02 (0.13) | ||
Model 1: Null model with a random intercept for the work-unit level. Model 2: As model 1, but the ‘Any changes’ variable in the fixed part. Model 3: As model 2, but effects of the ‘Any changes’ variable were fully adjusted for all employee-level covariates and number of employees within the work unit.
Reference categories
*No change; †3–12 employees within the work unit; ‡age group 19–40; §female; ¶nurses; **1–4 seniority years; ††not manager; ‡‡18.5–32 weekly working hours; §§no contractual employment; ¶¶personal gross income ≤345 000 DKK; ***no days of sickness absence in 2012.
DKK, Danish Krone; ICC, intraclass correlation coefficient.