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. 2016 Dec 9;11(12):e0167759. doi: 10.1371/journal.pone.0167759

Table 3. Annual mean health care costs (mean and SD) and productivity costs.

Intervention group (n = 80) Control group (n = 85)
Unit cost (EUR) Number of units Mean cost (EUR) Number of units Mean cost (EUR) p-value
Direct costs
Occupational health care doctor 78/ visit 1.5 (2.2) 113.5 1.7 (4.5) 131.4 0.76
Primary care doctor 117/ visit 0.9 (1.5) 105.6 1.3 (1.5) 148.7 0.013
Special health care doctor 310/ visit 0.6 (1.0) 185.8 0.9 (2.2) 284.6 0.86
Registered nurse in primary care 51/ visit 0.4 (1.5) 21.1 0.4 (1.2) 18.6 0.21
Public health nurse in occupational health 42/ visit 0.5 (0.9) 19.0 0.5 (0.9) 19.0 0.87
Public health nurse in maternity clinic 58/ visit 0.9 (2.9) 52.6 0.5 (1.7) 26.9 0.56
Public health nurse in child health clinic 53/ visit 0.6 (1.6) 32.0 0.4 (0.9) 21.0 0.95
Public health nurse in family planning clinic 51/ visit 0.03 (0.16) 1.3 0.12 (0.62) 6.1 0.065
Physiotherapist 60/ visit 0.8 (2.5) 45.1 0.5 (1.7) 31.0 0.66
Medication 268.2 238.6 0.17
Inpatient days in primary care 250/ day 0.06 (0.40) 15.6 - 0.3 0.73
Inpatient days in special health care 820/ day 0.11 (0.50) 92.3 0.31 (1.18) 246.8 0.12
Total direct costs 952 1,173 0.33
Productivity costs
Absence from work (€3,534/month) 193/day 10.3 (18.3) 1,992 16.1 (32.7) 3,070 0.93
Total costs 2,944 4,243 0.74