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Table 5 factors associated with laboratory-confirmed influenza in children under 5 years, Dielmo and Ndiop cohort study, Senegal, 2013–2016 (n = 6571)

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 1.12 [0.78–1.61] 0.53  
Clinical symptomsa
 Headacheb 1.5 [1.00–2.32] 0.06    
 Cough 3.15 [2.0–5.12] < 0.0001 2.21 [1.30–3.85] < 0.01
 Asthenia grade 0 Ref.*      
 Asthenia grade 1 0.35 [0.12–1.01] 0.05    
 Asthenia grade 2 1.0 [0.52–1.63] 0.77    
 Asthenia grade 3 0.84 [0.50–1.38] 0.50    
 Anorexia 1.13 [0.80–1.64] 0.52    
 Chills 0.80 [0.35–1.80] 0.57    
 Nausea/Vomiting 0.75 [0.45–1.24] 0.26    
 Sweats 0.77 [0.33–1.74] 0.60    
 Diarrhea 0.65 [0.30–1.35] 0.24    
 Nasal discharge 2.82 [1.81–4.41] < 0.0001 2.14 [1.35–3.40] < 0.01
 Abdominal pain 0.33 [0.42–2.60] 0.30    
 Dyspnea 2.20 [1.0–5.01] 0.06    
  1. Ref. * Reference, aOR¶ Adjusted Odds Ratio, n = 6571: corresponding to 657 FPEs
  2. Clinical symptomsa: the following symptoms (Myalgia, Sore throat and Arthralgia) were not included in the analysis because they were missing in children under 5 years
  3. Headacheb: missing data for headache were excluded in the analysis