Table 3.

Initial assessment of the workstations based on the INSHT guidebook

Analysis of workstations	Correct stations (%)	Stations requiring correction (%)
Equipment and furniture
The screen distance is correct	71	29
The screen height is correct	37.5	62.5
The keyboard is appropriate in terms of regulation and size	21	79
The mouse adapts correctly	92	8
The work table is appropriate in terms of size	100	0
The work table is appropriate in terms of stability	100	0
The work table height may be adjusted	0	100
The chair height may be adjusted	67	33
The chair has all of the regulation elements in proper functioning	37.5	62.5
The seat back can recline	92	8
The seat offers support for the entire back	25	75
The seat has an extension for lower back support	100	0
The seat has armrests	0	100
If there are armrests, they allow you to approach the table	-	-
The general state of the chair (tapestry, plastics, regulators) is appropriate	8	92
A mat is needed	42	58
A footrest is needed	92	8
A stand is needed	4	96
Work environment
The station dimensions permit changes in posture and freedom of movement	83	17
Lighting
The light available in the workstation is sufficient	100	0
There is the possibility of a direct glare (visual disturbances caused by strong light) due to the orientation of the station	100	0
Reflections are avoided (caused by light sources or other bright elements around the screen, keyboard or work surface)	100	0
Noise
The noise level allows for appropriate working	100	0
Humidity
The humidity of the environment is appropriate	21	79