Table 3 Multivariable Analysis: Factors related to prevalence of severe cognitive and sleep symptoms in ME/CFS
From: Prevalence of and risk factors for severe cognitive and sleep symptoms in ME/CFS and MS
Variable | Odds ratio | 95% Confidence interval | p value |
|---|---|---|---|
Age < 30 | 1.00 | - | 0.204 |
Age 30–39 | 2.30 | 0.69–7.66 |  |
Age 40–49 | 2.34 | 0.73–7.56 |  |
Age 50+ | 3.23 | 1.04–10.04 |  |
Male | 1.00 | - | 0.138 |
Female | 1.88 | 0.81–4.30 |  |
Non-white ethnicity | 1.00 | - | 0.521 |
White ethnicity | 0.65 | 0.18–2.39 |  |
Income < £15,000 | 1.00 | - | 0.017 |
Income > = £15,000 | 0.31 | 0.12–0.81 |  |
No alcohol (six months before) | 1.00 | - | 0.942 |
Alcohol <14 units/week (six months before disease onset) | 0.96 | 0.48–1.94 |  |
Alcohol ≥14 units/week (six months before disease onset) | 1.15 | 0.40–3.30 |  |
No smoking | 1.00 | - | 0.026 |
Ex-smoker | 2.17 | 1.06–4.42 |  |
Current smoker | 2.93 | 1.11–7.70 |  |
No depression before symptoms | 1.00 | - | 0.169 |
Depression before symptoms | 1.58 | 0.82–3.03 |  |
Duration of fatigue (years) | 0.99 | 0.94–1.05 | 0.804 |