Table 1.
Demographics of our study populations.
| Characteristic | Study 1 | Study 2 | P valuea | |
| Age (years), mean (SD) | 56.2 (16.1) | 60.4 (15.7) | .19 | |
| Age range, n (%) |
|
|
|
|
|
|
18-39 | 9 (17) | 4 (8) |
|
|
|
40-59 | 21 (40) | 24 (47) |
|
|
|
60-79 | 20 (38) | 16 (31) |
|
|
|
80+ | 2 (4) | 7 (14) |
|
| Women, n (%) | 32 (62) | 34 (67) | .59 | |
| BMIb (kg/m²), mean (SD) | 27.6 (7.4) | 27.0 (6.8) | .67 | |
| Education level ISCEDc 1997, mean (SD) | 2.7 (1.1) | 2.4 (0.8) | .25 | |
| Number of pain clusters, mean (SD) |
|
|
|
|
|
|
Front | 3.7 (4.5) | 5.5 (7.3) | .12 |
|
|
Back | 3.6 (3.4) | 4.9 (5.7) | .16 |
|
|
Left | 2.9 (3.4) | 4.5 (5.2) | .06 |
|
|
Right | 2.7 (3.0) | 4.2 (5.4) | .07 |
| Years of pain treatment, mean (SD) | 4.0 (1.8) | 3.8 (2.2) | .70 | |
| Number of previous therapeutic consultations, mean (SD) | 10.2 (11.1) | 14.1 (17.7) | .18 | |
| Usage of comparable electronic devices, n (%) |
|
|
.18 | |
|
|
Daily | 30 (58) | 32 (64) |
|
|
|
3-4 times/week | 6 (12) | 6 (12) |
|
|
|
1-2 times/week | 4 (8) | 2 (4) |
|
|
|
1-2 times/month | 0 (0) | 0 (0) |
|
|
|
Almost never | 7 (13) | 1 (2) |
|
|
|
Never | 5 (10) | 9 (18) |
|
aTwo-tailed t test or chi-square test.
bBMI: body mass index.
cISCED: International Standard Classification of Education.