Table 2.
Logistic regression of factors predicting somatic symptoms burden by SSS-8 (score ≥12)
| n (%) | b | SE | Wald | P value | OR (95% CI) | |
| Age | −0.00 | 0.01 | 0.49 | 0.486 | 0.994 (0.978 to 1.011) | |
| Sex (reference group: men) | 365 (48.8) | 0.45* | 0.23 | 4.02 | 0.045 | 1.574 (1.010 to 2.454) |
| Relationship status (reference group: not in a committed relationship) | 299 (39.1) | −0.42 | 0.25 | 2.92 | 0.088 | 0.654 (0.402 to 1.065) |
| Education | 0.16 | 0.10 | 2.62 | 0.105 | 1.170 (0.968 to 1.416) | |
| Income (monthly average: 2570 GBP) (reference group: much lower than average)a (n= 1014), b (n= 756) | 157 (20.5) | |||||
| A little below average | 126 (16.5) | −0.10 | 0.34 | 0.09 | 0.764 | 0.903 (0.463 to 1.759) |
| About average | 193 (25.3) | −0.52 | 0.33 | 2.51 | 0.113 | 0.594 (0.312 to 1.131) |
| A little above average | 203 (26.6) | −0.24 | 0.33 | 0.52 | 0.469 | 0.790 (0.418 to 1.494) |
| Much higher than average | 77 (10.1) | −0.28 | 0.43 | 0.43 | 0.513 | 0.754 (0.323 to 1.760) |
| Being in risk group for COVID-19 (reference group: not in risk) | 581 (76.0) | −0.27 | 0.26 | 1.08 | 0.298 | 0.761 (0.454 to 1.274) |
| Trajectories over T1-T2 | ||||||
| GAD-7 Anxiety (reference group: stable-low trajectory) | 597 (78.0) | 41.291 | ||||
| Stable high trajectory | 41 (5.4) | 1.864*** | 0.389 | 22.993 | 0.000 | 6.451 (3.011 to 13.822) |
| Exacerbation trajectory | 57 (7.5) | 1.682*** | 0.333 | 25.575 | 0.000 | 5.379 (2.802 to 10.325) |
| Recovery trajectory | 69 (9.0) | 0.705* | 0.329 | 4.591 | 0.032 | 2.025 (1.062 to 3.861) |
| ICD-11 probable adjustment disorder by IADQ (reference group: stable-low trajectory) | 545 (71.3) | 52.853 | ||||
| Stable high trajectory | 90 (11.8) | 1.553*** | 0.303 | 26.306 | 0.000 | 4.726 (2.611 to 8.555) |
| Exacerbation trajectory | 61 (8.0) | 1.859*** | 0.329 | 31.988 | 0.000 | 6.419 (3.370 to 12.227) |
| Recovery trajectory | 68 (8.9) | 1.540*** | 0.320 | 23.161 | 0.000 | 4.666 (2.492 to 8.739) |
*p≤0.05; **p≤0.01; ***p≤0.001. aActual n=1014; bactual n=756.
GAD, General Anxiety disorder; IADQ, International Adjustment Disorder Questionnaire; ICD-11, International Classification of Diseases 11th Revision; SSS, Somatic Severity Scale.