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Table 6 factors associated with laboratory-confirmed influenza in patients >= 5 years, Dielmo and Ndiop cohort study, Senegal, 2013–2016 (n = 9962)

From: Performance of case definitions and clinical predictors for influenza surveillance among patients followed in a rural cohort in Senegal

Variable Univariate analysis Multivariate analysis
OR 95% CI P value aOR¶ 95% CI P value
Sex
 Women 1.0 [0.73–1.30] 0.85  
Clinical symptoms
 Headache1 2.74 [1.16–6.50] 0.02    
 Cough 6.26 [4.41–8.91] < 0.0001 2.70 [1.94–3.72] < 0.0001
 Sore throat1 2.14 [1.50–3.10] < 0.0001 1.75 [1.20–2.60] < 0.01
 Asthenia grade 0 Ref.*     
 Asthenia grade 1 1.30 [0.52–3.20] 0.60 0.72 [0.36–1.50]
 Asthenia grade 2 1.41 [0.74–2.70] 0.30 1.15 [0.75–1.80]
 Asthenia grade 3 1.95 [1.10–3.52] 0.03 1.93 [1.30–2.85] < 0.01
 Anorexia 1.30 [0.95–1.72] 0.11   
 Myalgia1 1.0 [0.75–1.32] 0.95   
 Chills 1.0 [0.61–1.53] 0.87   
 Nausea/Vomiting 0.55 [0.40–0.81] < 0.01   
 Sweats 0.72 [0.60–1.50] 0.90   
 Arthralgia1 1.0 [0.70–1.51] 0.96   
 Diarrhea 0.44 [0.21–0.95] 0.04   
 Nasal discharge 7.38 [5.32–10.25] < 0.0001 3.30 [2.44–4.43] < 0.0001
 Abdominal pain 0.50 [0.20–1.15] 0.31   
 Dyspnea 3.70 [1.55–8.80] < 0.01   
  1. Ref. * Reference, aOR¶: Adjusted Odds Ratio, n = 9962: corresponding to 996 FPEs
  2. Missing data for the following variables: Headache1, Myalgia1, Sore throat1 and Arthralgia1 were excluded in the analysis