Data processing costs for three posture assessment methods

Table 2 Data processing cost components for the three measurement methods in the current study

Cost component	Applicable to all methods^a	Inclinometer	Observation	Daily exposure questionnaire
Fixed costs
Č_A planning and administration	€ 8,245	€ 5,114	€ 8,639	€ 510
Č_S software	€ 0	€ 10,924	€ 3,479	€ 613
Sum of fixed costs (Č_{A +} Č_S)	€ 8,245	€ 16,038	€ 12,118	€ 1,123
Unit costs
ċ_T unit cost of training trainees	€ 0	€ 0	€ 920	€ 510
ċ_I unit cost of instructors	€ 0	€ 0	€ 1,288	€ 794
ċ_F unit cost of file analysis	€ 0	€ 25	€ 50	€ 16
Variable costs
Ċ_T training costs	€ 0	€ 0	€ 6,256	€ 1,815
Ċ_M costs of managing (handling) data	€ 0	€ 1,972	€ 4,012	€ 1,307
Sum of variable costs (Ċ_T + Ċ_M )	€ 0	€ 1,972	€ 10,268	€ 3,122
Totals by method
Total fixed and variable costs (column sum of fixed and variable costs)	€ 8,245	€ 18,010	€ 22,385	€ 4,245
C_Pm total data processing cost^b		€ 26,255	€ 30,630	€ 12,491

^acosts that are required no matter which method is used.
^brepresents the total data processing phase cost for applying that method, including the costs in the first column.

ISSN: 1471-2288