Table 2

Univariable and multivariable logistic regression analysis for risk of COVID-19 diagnosis

Univariable regressionMultivariable regression
VariableNOR (95% CI)POR (95% CI)P
AgeIncrease 10 years40081.05 (1 to 1.08)0.015
50–7040081.62 (1.4 to 1.86)<0.00011.7 (1.4 to 2.08)<0.0001
SexMale40081.5 (1.3 to 1.71)<0.00011.26 (1.1 to 1.52)<0.0001
Index of multiple deprivation decile38480.97 (0.9 to 1)0.013
Diabetes39711.46 (1.3 to 1.68)<0.0001
Hypertension39711.17 (1 to 1.33)0.007
Ethnicity4008
White13481<0.00011<0.0001
Asian13181.94 (1.7 to 2.26)1.82 (1.5 to 2.27)
Black4362.05 (1.6 to 2.56)1.85 (1.4 to 2.53)
Mixed/ Other2582.13 (1.6 to 2.79)2.25 (1.5 to 3.33)
Unknown6481.87 (1.5 to 2.27)1.77 (1.3 to 2.34)
Symptoms3971
Cough5.13 (4.5 to 5.88)<0.0001
Shortness of breath4.19 (3.7 to 4.79)<0.0001
Fever5.04 (4.4 to 5.78)<0.0001
Respiratory rateAny of above40086.29 (5.4 to 7.36)<0.00013.11 (2.5 to 3.85)<0.0001
Oxygen saturations36541.14 (1.1 to 1.15)<0.0001
NEWS ScoreContinuous (linear)36470.89 (0.9 to 0.9)<0.0001
Continuous (linear)36171.39 (1.3 to 1.42)<0.0001
CRP>55.76 (5 to 6.65)<0.00012.39 (2 to 2.87)<0.0001
Every 10 increase35181.01 (1 to 1.01)<0.0001
Lymphocytes>505.99 (5.2 to 6.93)<0.00013.11 (2.6 to 3.75)<0.0001
Continuous (linear)36240.66 (0.6 to 0.72)<0.0001
Chest X-ray<12.54 (2.2 to 2.93)<0.00011.72 (1.4 to 2.08)<0.0001
3581
Normal7181<0.00011<0.0001
Lung infiltrates22627.79 (6.3 to 9.65)3.75 (2.9 to 4.91)
Other abnormality6013.56 (2.8 to 4.6)1.94 (1.4 to 2.68)
CVCX04241<0.0001
CVCX1104025.85 (18.7 to 35.66)
CVCX24352.98 (2.3 to 3.93)
CVCX31291.64 (1.1 to 2.44)
  • P values calculated using likelihood ratio tests. There was no evidence of interaction between variables in the final multivariable model. n=2490 for multivariable model. CVCX represents British Society of Thoracic Imaging (BSTI) classification of chest X-ray.

  • CRP, C reactive protein; IMD, Index of multiple deprivation; NEWS, National Early Warning Score.