Table 5. Ratings of workstation ergonomics (workstation settings and postural stressors)
before the intervention and at 2- and 10-month follow-up (scale 4 -10).

Group Before intervention Follow-up (2 mo) Follow-up (10 mo)
 
N
Mean
SD
N
Mean
SD
P- Value
n
Mean
SD
P- Value
Intensive
39
6.7
0.2
39
7.7
0.2
.001 a
37
8.0
0.1
.002 a
Education
35
6.8
0.2
35
6.7
0.2
.73 b
33
7.1
0.2
.60 b
Control
35
6.7
0.2
33
6.8
0.2
·
32
7.3
0.2
·
a = unpaired t-test between intensive and control group
b= unpaired t-test between education and control group