Table 4. Predictors of self-reported Long COVID symptoms at four weeks follow-up.
| Variable | Univariable logistic regression | Multivariable logistic regression | |||
|---|---|---|---|---|---|
| Odds Ratio (95% CI) | p value | Adjusted Odds Ratio (95% CI) | p value | ||
| Age Categories | 18 to 45 years | Reference | - | Reference | - |
| 46 to 59 years | 1.46 (0.91,2.36) | 0.12 | 1.24 (0.68,2.29) | 0.48 | |
| 60 years & above | 1.46 (0.79,2.67) | 0.22 | 1.08 (0.48,2.43) | 0.86 | |
| Sex | Male | Reference | - | Reference | - |
| Female | 1.33 (0.89,1.97) | 0.16 | 1.29 (0.74,2.25) | 0.36 | |
| Occupation | Unemployed/Student/Homemaker | Reference | Reference | ||
| Professional/Technical/ Administrative/Managerial | 1.32 (0.84,2.08) | 0.23 | 1.79 (0.96,3.33) |
0.06 | |
| Skilled/Unskilled manual | 0.65 (0.31,1.34) | 0.24 | 0.82 (0.32,2.09) | 0.68 | |
| Other | 0.98 (0.55,1.74) | 0.94 | 1.15 (0.53,2.48) | 0.73 | |
| BMI | Underweight (<18.5) | Reference | - | Reference | - |
| Normal or lean (18.5–24.9) | 2.13 (0.71,6.44) | 0.18 | 1.58 (0.39,6.47) | 0.52 | |
| Overweight (25.0–29.9) | 2.35 (0.76,7.26) | 0.14 | 1.49 (0.35,6.26) | 0.58 | |
| Obese (≥30.0) | 1.05 (0.23,4.82) | 0.95 | 0.56 (0.09,3.44) | 0.53 | |
| History of substance use | 0.75 (0.39,1,44) | 0.38 | 0.95 (0.41,2.16) | 0.89 | |
| Past history of COVID-19 | 0.93 (0.33,2.66) | 0.90 | 0.66 (0.20,2.15) | 0.49 | |
| Pre-existing medical condition | 1.69 (1.12,2.55) | 0.01 | 2.00 (1.16,3.44) | 0.01 | |
| COVID-19 vaccination | Not vaccinated | Reference | - | Reference | - |
| Completed 1 dose | 1.30 (0.66,2.55) | 0.45 | 1.88 (0.84,4.22) | 0.13 | |
| Completed 2 doses | 2.05 (1.23,3.42) | 0.01 | 2.32 (1.17,4.58) | 0.01 | |
| Number of COVID-19 symptoms | No symptoms | Reference | - | Reference | - |
| 1 to 4 symptoms | 9.40 (3.99,22.09) | <0.001 | 6.88 (2.74,17.23) | <0.001 | |
| 5 or more symptoms | 12.77 (4.89,33.37) | <0.001 | 11.24 (4.00,31.51) | <0.001 | |
| Severity of COVID-19 disease | Mild/Moderate | Reference | - | Reference | |
| Severe/Critical | 5.46 (3.22,9.27) | <0.001 | 5.71 (3.00,10.89) | <0.001 | |
| Care received during COVID-19 disease | Home Isolation | Reference | - | - | - |
| Admitted to hospital | 3.89 (2.49,6.08) | <0.001 | - | - | |
| Cycle threshold | E Gene/N Gene (n = 442) | 0.98 (0.94,1.02) | 0.38 | - | - |
| ORF1a/ORF1b/N/N2 Gene (n = 378) | 0.99 (0.95,1.03) | 0.53 | - | - | |