Table 2 Mean values for continuous variables by class
From: Validating online approaches for rare disease research using latent class mixture modeling
| Class | Age (years) (range 18–68) | Age at Dx (years) (range NN-48) | Illness Perception Questionnaire-Revised | Zung SDS (range 20–80) | ||
|---|---|---|---|---|---|---|
| Consequences (range 5–30) | Emotional representations (range 5–30) | Illness coherence (range 5–25) | ||||
|
F = 36.78 p < 0.001 |
F = 3.17 p = 0.045 |
F = 52.26 p < 0.001 |
F = 112.5 p < 0.001 |
F = 38.96 p < 0.001 |
F = 51.35 p < 0.001 | |
| I (n = 84) |
31.7 ± 8.2 (29.9–33.5) |
19.2 ± 16.7 (17.8–20.7) |
22.9 ± 3.5 (22.1–23.7) |
22.7 ± 3.7 (21.9–23.5) |
15.2 ± 4.0 (14.3–16.0) |
49.6 ± 9.5 (47.6–51.7) |
| II (n = 41) |
37.0 ± 7.6† (34.6–39.4) |
18.6 ± 4.9 (17.1–20.2) |
16.2 ± 3.6‡ (15.0–17.3) |
12.1 ± 3.7‡ (10.9–13.2) |
19.6 ± 3.7‡ (18.4–20.7) |
32.8 ± 9.9‡ (29.7–35.9) |
| III (n = 29) |
47.0 ± 9.6‡ 43.4–50.6) |
16.0 ± 5.3 * (13.9–18.0) |
21.6 ± 3.1‡ (20.4–22.8) |
16.9 ± 4.0‡ (15.4–18.5) |
21.4 ± 2.6‡ (20.4–22.4) |
32.7 ± 9.0‡ (32.7–39.5) |