Table 3. Multi-nomial logit regression model of latent class assignment on sociodemographic characteristics, duration of illness and recruitment setting.
| N (%) | Class 1 85 (34.0) | Class 2 58 (23.2) | Class 3 107 (42.8) | RR1) Class 1 vs Class 3 (p) | RR1) Class 2 vs Class 3 (p) |
|---|---|---|---|---|---|
| Age mean (SD) | 48.5 (11.4) | 45.5 (11.9) | 45.7 (12.4) | 1.03 (0.148) | 0.99 (0.524) |
| Higher education n (%) | 22 (25.9) | 16 (27.6) | 55 (51.4) | 0.28 (0.003) | 0.27 (0.006) |
| Monthly net household income above 3000€ n (%) | 20 (23.5) | 22 (37.9) | 53 (49.5) | 0.56 (0.170) | 0.98 (0.964) |
| Living with partner n (%) | 36 (42.4) | 33 (56.9) | 79 (73.8) | 0.21 (0.009 | 0.35 (0.012) |
| Living with children n (%) | 48 (56.5) | 41 (70.7) | 60 (56.1) | 1.58 (0.296) | 3.67 (0.005) |
| Unemployed n (%) | 18 (21.2) | 6 (10.3) | 9 (8.4) | 2.95 (0.045) | 1.10 (0.871) |
| Blue collar worker n (%) | 28 (32.9) | 18 (31.0) | 18 (16.8) | 1.35 (0.492) | 1.98 (0.136) |
| Duration of illness in years mean (SD) | 13.5 (11.3) | 12.1 (11.3) | 9.6 (8.3) | 1.05 (0.075) | 1.01 (0.737) |
| Duration of untreated illness (DUI) in years mean (SD) | 3.3 (5.8) | 5.7 (8.7) | 3.0 (5.3) | 0.94 (0.150) | 1.05 (0.219) |
| Recruitment setting | |||||
| Psychiatric hospital n (%) | 40 (47.6) | 27 (46.6) | 61 (57.0) | Ref. | Ref. |
| Psychosomatic hospital n (%) | 14 (16.5) | 13 (22.4) | 18 (16.8) | 4.43 (0.005) | 3.68 (0.013) |
| Family doctor n (%) | 2 (2.4) | 1 (1.7) | 3 (2.8) | 2.09 (0.470) | 1.32 (0.831) |
| Press invitation n (%) | 29 (34.1) | 17 (29.3) | 25 (23.4) | 3.64 (0.004) | 3.06 (0.018) |
1) Multi-nomial logit regression model with assignment to Class 3 as reference category.