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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: J Neurol Psychol. 2015 Nov 25;2015(Suppl 2):http://www.avensonline.org/wp-content/uploads/JNP-2332-3469-S2-0002.pdf.

Table 4.

Illness characteristics of patients meeting each diagnosis (N=471)

IOM Canadian
(N=100) (N=371)

M (SD) M (SD)
Illness Duration 8.9 (8.3) 7.5 (7.4)
Current Hours Spent on Activities
  Household activities 6.7 (6.8) 6.0 (6.2)
  Social/recreational activities 4.2 (4.8) 3.7 (5.2)
  Family related activities 4.7 (7.0) 4.9 (6.7)
  Work related activities 5.8 (13.6) 4.7 (10.3)
  Total hours spent 20.2 (17.8) 18.2 (15.0)
Past Hours Spent on Activities
  Household activities 11.8 (8.8) 12.8 (9.3)
  Social/recreational activities 13.6 (10.9) 13.1 (8.9)
  Family related activities 10.5 (9.8) 11.6 (9.7)
  Work related activities 38.5 (15.4) 38.8 (14.1)
  Total hours spent 73.9 (22.2) 75.9 (22.8)
Total Hours Spent on Activities - Reduction 55.4 (25.8) 57.2 (25.3)

% (N) % (N)

Functional Status
  Bedbound 25.2 (26) 24.5 (94)
  Light housework 53.4 (55) 53.6 (206)
  Able to work 21.4 (22) 21.6 (83)
Viral infections with long recovery periods 44.4 (44) 58.1 (216) *
Event Prior to Illness
  Infectious illness 67.3 (68) 68.5 (265)
  Accident 4.0 (4) 5.5 (21)
  Trip or vacation 8.0 (8) 6.5 (25)
  Immunization 10.8 (11) 10.2 (39)
  Surgery 12.6 (13) 10.2 (39)
  Severe Stress 35.0 (36) 38.0 (145)
Onset
  Within 24 hours 12.0 (12) 14.8 (55)
  Over 1 week 12.0 (12) 12.4 (46)
  Over 1 month 10.0 (10) 9.2 (34)
  Over 2–6 months 20.0 (20) 20.2 (75)
  Over 7–12 months 4.0 (4) 8.1 (30)
  Over 1–2 years 10.0 (10) 14.3 (53)
  Over 3 or more years 32.0 (32) 21.0 (78)
*

p < .05