Table 3.
Results on hypotheses for known-group differences
| Hypothesis | Known group | N | Mean rank score | Median | Range | p-value | Confirmed |
|---|---|---|---|---|---|---|---|
| H16 | Happy | 800 | 515 | 0.9428 | 0.0–1.0 | < .001 | Yes |
| Unhappy | 141 | 219 | 0.7562 | 0.3–1.0 | |||
| H17 | VAS ≥ 65 | 714 | 540 | 0.9448 | 0.4–1.0 | < .001 | Yes |
| VAS < 65 | 227 | 255 | 0.7879 | 0.0–1.0 | |||
| H18 | No illness | 562 | 564 | 0.9495 | 0.4–1.0 | < .001 | Yes |
| Illness present | 379 | 334 | 0.8546 | 0.0–1.0 | |||
| H19a | Non-obstructing illness | 51 | 255 | 0.9226 | 0.5–1.0 | < .001 | Yes |
| Obstructing illness | 328 | 180 | 0.8312 | 0.0–1.0 | |||
| H20 | No hospital visit | 588 | 511 | 0.9375 | 0.2–1.0 | < .001 | Yes |
| Hospital visit | 353 | 405 | 0.9149 | 0.0–1.0 | |||
| H21 | No hospital stay | 860 | 477 | 0.9305 | 0.0–1.0 | = .017 | Yes |
| Hospital stay | 81 | 402 | 0.9149 | 0.4–1.0 | |||
| H22 | No GP visit | 383 | 549 | 0.9475 | 0.2–1.0 | < .001 | Yes |
| GP visit | 558 | 417 | 0.9149 | 0.0–1.0 | |||
| H23 | High self-efficacy | 415 | 601 | 0.9565 | 0.5–1.0 | < .001 | Yes |
| Low self-efficacy | 526 | 368 | 0.8790 | 0.0–1.0 | |||
| H24 | Employed | 811 | 501 | 0.9375 | 0.0–1.0 | < .001 | Yes |
| Unemployed/occupational disability | 130 | 283 | 0.8144 | 0.2–1.0 | |||
| H25 | Relationship | 640 | 504 | 0.9375 | 0.3–1.0 | < .001 | Yes |
| No relationship | 301 | 401 | 0.9070 | 0.0–1.0 | |||
| H26b | Higher education | 353 | NA | 0.9339 | 0.2–1.0 | .021 | No |
| Medium education | 395 | 0.9339 | 0.3–1.0 | ||||
| Lower education | 192 | 0.9149 | 0.0–1.0 |
GP general practitioner; VAS visual analogue scale of the EQ-5D-5L
aThis question was only applicable to 379 participants who indicated to have a chronic illness
bOne subject is missing from this analysis since the response to this question was not interpretable