Table 1.
Characteristics at admission to the inpatient rehabilitation center.
| Characteristic | Smartphone intervention (n=69)a | Control (n=66)a | |
| Age, mean (SD), n | 44.59 (11.13), 69 | 43.80 (11.20), 65 | |
| Marital status |
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|
|
|
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Married or cohabiting | 60.9% (n=42) | 68.2% (n=45) |
| Divorced | 13.0% (n=9) | 9.1% (n=6) | |
| Single | 18.8% (n=13) | 15.2% (n=10) | |
| Widow | 5.8% (n=4) | 3.0% (n=2) | |
| Unknown | 1.4% (n=1) | 4.5% (n=3) | |
| Years of education |
|
|
|
|
|
≤ 10 years (elementary) | 18.8% (n=13) | 12.1% (n=8) |
| 11-13 years (high school) | 27.5% (n=19) | 45.5% (n=30) | |
| >13 years (College/University) | 43.5% (n=30) | 34.8% (n=23) | |
| Unknown | 10.1% (n=7) | 7.6% (n=5) | |
| Employment status |
|
|
|
|
|
Working/studying | 21.7% (n=15) | 12.1% (n=8) |
| Unemployed | 4.3% (n=3) | 1.5% (n=1) | |
| On sick leave | 39.1% (n=27) | 51.5% (n=34) | |
| On disability pension | 17.4% (n=12) | 19.7% (n=13) | |
| Part time working/studying and part time sick leave | 11.6% (n=8) | 7.6% (n=5) | |
| Other combination of the above | 5.8% (n=4) | 6.1% (n=4) | |
| Unknown | 0% | 1.5% (n=1) | |
| Diagnosed with fibromyalgia (valid %) | 80.9% (n=55) | 84.4% (n=54) | |
| Duration of symptoms (years), mean (SD), n | 13.11 (8.78) | 15.47 (12.09) | |
| PCSb, mean (SD), n | 21.24 (10.33), 63 | 20.80 (9.45), 62 | |
| CPAQb, mean (SD), n | 56.48 (15.02), 58 | 53.87 (13.81), 57 | |
| FIQb, mean (SD), n | 58.75 (16.39), 69 | 58.58 (16.04), 66 | |
| SF-8, physicalb; mean (SD), n | 31.91 (7.57), 65 | 34.75 (7.35), 62 | |
| SF-8, mentalb, mean (SD), n | 39.33 (10.49), 65 | 39.34 (9.61), 62 | |
| GHQ-12b, mean (SD), n | 3.32 (3.38), 62 | 3.02 (3.38), 61 | |
| CPVIb, mean (SD), n | 2.07 (0.95), 64 | 2.01 (0.73), 61 | |
| VAS b recordings of current level of (last couple of days): |
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Pain, mean (SD), n | 67.08 (17.47), 69 | 57.85 (21.60), 66 |
| Fatigue, mean (SD), n | 67.40 (23.73), 69 | 64.72 (21.02), 66 | |
| Sleep disturbance, mean (SD), n | 57.24 (26.22), 68 | 55.16 (23.38), 66 | |
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Depression, mean (SD), n | 34.73 (29.15), 68 | 32.93 (29.26), 65 |
a Patients meeting exclusion criteria after randomization were not included in this analysis.
b VAS, visual analogue scale (0-100c); PCS, Pain Catastrophizing Scale (score range 0-52c); CPAQ, Chronic Pain Acceptance Questionnaire (score range 0c-120); FIQ, Fibromyalgia Impact Questionnaire (0-100c); SF-8 (0c-100), Short Form; GHQ-12, questions from the General Health Questionnaire (score range 0-12c); CPVI, Chronic Pain Values Inventory (success score, range 0c-6).
c Values that indicate maximum symptom scores/least health.