Table 3

 Occupational characteristics by intervention group

Intervention groupp value
A (n = 122)B (n = 125)C (n = 115)
FE, Fisher’s exact test; JCQ, Job Content Questionnaire.
*Participants who remained in the study for the full duration of their eligibility were classified as “full follow up” (see Methods section for full description).
Typing speed
    <50 wpm45(38.5)36(30.5)42(41.2)0.34
    50–60 wpm55(47.0)67(56.8)44(43.1)
    > 65 wpm17(14.5)15(12.7)16(15.7)
Job title
    Officials and managers6(5.1)9(7.6)9(8.8)0.84 (FE)
    Office and clerical42(35.9)51(43.2)36(35.3)
Use a mouse
    Sometimes5(4.3)5(4.2)3(2.9)0.94 (FE)
    Almost all the time65(55.6)63(53.4)60(58.8)
Step away from workstation
    When you choose114(97.4)117(99.2)99(97.1)0.52 (FE)
    Scheduled times3(2.6)1(0.9)3(2.9)
JCQ job strain quadrant
    High strain quadrant21(18.0)23(19.5)25(24.5)0.46
    Non-high strain quadrant96(82.1)95(80.5)77(75.5)
Chair comfort
    Very comfortable56(47.9)52(44.1)24(23.5)0.00 (FE)
    Somewhat comfortable54(46.2)59(50.0)60(58.8)
    Somewhat uncomfortable6(5.1)5(4.2)16(15.7)
    Very uncomfortable1(0.9)2(1.7)2(2.0)
Hand-arm follow up status
    Incomplete follow up47(39.5)51(41.1)49(35.7)0.89
    Full follow up*72(60.5)73(58.9)66(64.3)
Neck-shoulder follow up status
    Incomplete follow up38(33.3)37(31.9)39(35.8)0.82
    Full follow up*76(66.7)79(68.1)70(64.2)