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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