Page 69 - THE PERCEPT STUDY Illness Perceptions in Physiotherapy Edwin de Raaij

A systematic literature review
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Appendix B: Cross-sectional associations between illness perceptions and musculoskeletal physical function at baseline at baseline
Timeline Timeline Control Illness/Study Measure Consequences Chronic Cyclical Personal
Control
Treatment Identity Concern
Emotional Coherence Response
Rheumatoid arthritis
ß = 0.25†‡
ß = –0.33†§ ß = 0.50†‡ r = 0.38§
ß = 0.29‖¶ r =0.34§
Scharloo et al50 Groarke et al18
SF-20* (T0) HAQ* (T0)
r =0.35‡ ß =0.23‖ r =0.55‡ ß= 0.14‖ r =0.43‡ ß =0.25‖ r = 0.55§ r = 0.56
ß = –0.24†‡
van Os et al56
AIMS* (T2) HAQ# (T0) HAQ# (T0)
ß = 0.07‖ r = 0.10
r = 0.12
r = 0.22§ r = 0.30
ß = –0.06‖ r = –0.18§ r = –0.32
ß = 0.10‖ r = 0.34§ r = 0.42
r = 0.03 r = –0.05
Norton et al45
r = 0.03 r = 0.40¶ r = –0.07
r = 0.23
Chronic pain
RMDQ# (T0) SF-36 PF# (T0)
r = 0.60¶ r = 0.36§ ß = 0.49†§
r = 0.30¶ r = 0.22¶
r = 0.34¶ r = 0.28¶ ß = 0.83†§
r = 0.37¶ r = 0.04
Gillanders et al14 Järemo et al32
r = 0.13
r = 0.11
r = 0.13
r = 0.33§
ß = 0.66†§
r = 0.04 r = 0.07
Fibromyalgia
SF-36 PF#
ß = 0.33‖
Stuifbergen et al55
Hand problems
Hill et al26
AIMS# (T0)
1.26(1.23,1.29)** 1.26 (1.22, 1.29)†† 1.18 (1.14, 1.23)‡‡
5.34 (4.29, 6.64)** 5.34 (4.19, 6.81)†† 2.32 (1.73, 3.12)‡‡
Chronic RSI
Sluiter and Frings- Dresen54
§§ SF-36 PF (T0)
r = 0.49
r = 0.16
r = 0.34
r = 0.15
r = 0.49
r = 0.30
r = 0.12
r = 0.25
Chronic low back pain
CT: ODI# (T0) PT: ODI# (T0) ODI# (T0)
ß = 0.18† ß = 0.18†
Roios et al49 Leysen et al
ß = –0.10†
ß = 0.64¶
AIMS* (T0)
ß = 0.05‖ r = 0.03 ß = 0.10‖
ß= –0.20‖¶
AIMS* (T1)
ß = –0.13‖
ß= 0.14‖
ß = 1.25¶
ß = 0.64¶
ß = 0.92¶
Abbreviations: r, pearson correlation; ß , standardized regression coefficient; AIMS, Arthritis Impact Measurement Scales; CT, chiropractic; GCPS, Graded Chronic Pain Scale; HAQ, Health Assessment Questionnaire; ODI, Oswestry Disability Index; PF, physical functioning; PT, physical therapy; RMDQ, Roland-Morris Disability Questionnaire; RSI, repetitive strain in- jury; SF-12, Medical Outcomes Study 12-Item Short-Form Health Survey; SF-20, Medical Outcomes Study 20- Item Short-Form Health Survey; SF-36, Medical Outcomes Study 36-Item Short-Form Health Survey; T0, baseline; T1, time interval of less than 6 months; T2, time interval of 6 to 12 months.
* = Correlated with the Illness Perception Questionnaire, † = Values are unadjusted, ‡ = P<.001. § P<.01., ‖ = Values are adjusted, ¶ = P<.05., # = Correlated with the Illness Perception Questionnaire revised, ** = Values are unadjusted odds ratio (95% confidence interval), †† = Values are odds ratio (95% confidence interval) adjusted for age/sex/perceived diagnoses, ‡‡ = Values are odds ratio (95% confidence interval) adjusted for all other variables, §§ = Correlated with the Brief Illness Perception Questionnaire.