Table 1 Description of the material (n = 1211).
Mean | SD | Minimum | Maximum | |
---|---|---|---|---|
Computer time (h/w) | ||||
Questionnaire data | 24.7 | 6.9 | 0 | 39 |
WPR data | 10.8 | 4.8 | 0.12 | 30.6 |
Mouse time (h/w) | ||||
Questionnaire data | 15.6 | 8.3 | 0 | 38 |
WPR data | 7.1 | 4.2 | 0.01 | 22.2 |
Keyboard time (h/w) | ||||
Questionnaire data | 8.9 | 5.5 | 0 | 35 |
WPR data | 1.5 | 1.2 | 0.03 | 11.7 |
Computer time (proportion) | ||||
Questionnaire data | 0.78 | 0.21 | 0.10 | 1.00 |
WPR data | 0.30 | 0.14 | 0 | 0.83 |
Mouse time (proportion) | ||||
Questionnaire data | 0.61 | 0.25 | 0 | 1.00 |
WPR data | 0.62 | 0.15 | 0 | 0.91 |
Keyboard time (proportion) | ||||
Questionnaire data | 0.38 | 0.23 | 0 | 1.00 |
WPR data | 0.15 | 0.10 | 0 | 0.65 |
Standard deviations of 4 weekly means (WPR data) | ||||
Computer time (h/w) | 3.2 | 2.0 | 0.13 | 14.9 |
Mouse time (h/w) | 2.3 | 1.6 | 0.03 | 10.7 |
Keyboard time (h/w) | 0.55 | 0.48 | 0.01 | 4.3 |
Computer time proportion | 0.090 | 0.055 | 0.003 | 0.40 |
Mouse time proportion | 0.053 | 0.040 | 0.002 | 0.38 |
Keyboard time proportion | 0.037 | 0.032 | 0.001 | 0.49 |
Age | 43 | 8.6 | 21 | 63 |
n | (%) | |||
Maximum arm pain status* | ||||
No pain | 657 | (54) | ||
Very mild or mild | 279 | (23) | ||
Mild to moderate or moderate | 222 | (18) | ||
More than moderate | 52 | (4) | ||
Female gender | 891 | (74) | ||
High demands | 437 | (36) | ||
Low influence | 426 | (35) | ||
Low social support | 485 | (40) | ||
Strain | 200 | (17) | ||
Negative affectivity | 153 | (13) | ||
Type A behaviour | 172 | (14) | ||
Low self efficacy | 221 | (18) | ||
Worried about health | 230 | (19) |
*Maximum 7‐day pain score at follow‐up of left or right hand/wrist, forearm or elbow regions.
†For definitions of times and proportions, see text.