Skip to main content

Table 3 Rate of active participant in the 2014/2015 G-GrippeNet cohort depending on characteristics, and factors associated with active participation (= participation rate > 15 %) in univariate and multivariate logistic regression

From: First nationwide web-based surveillance system for influenza-like illness in pregnant women: participation and representativeness of the French G-GrippeNet cohort

  N (%) OR [95 % CI]a p-value ORa [95 % CI]** p-value ORa [95 % CI]*** p-value
Total of active participants 128/153 (84 %) - - - - - -
Age, years
  < 35 60/74 (82 %) 1 0.32 - - - -
 35 + 67/77 (87 %) 1.56[0.65–3.88]   -   -  
Educational Level
 Less than High school 11/16 (69 %) 1 0.09 1 0.15 1 0.13
 High school or more 116/135 (86 %) 2.77[0.80–8.59]   2.41[0.68–7.68]   2.52[0.70–8.11]  
Occupation
 Professional 28/32 (88 %) 1 0.09 1 0.13 1 0.19
 Office work 56/62 (90 %) 1.33[0.32–5.05]   1.41[0.34–1.61]   1.21 [0.28–4.75]  
 Other 44/58 (76 %) 0.45[0.12–1.40]   0.51[0.13–1.61]   0.53 [0.14–1.69]  
Pregnancy trimester
 1st & 2nd 72/87 (83 %) 1 0.68 - - - -
 3rd 52/61 (85 %) 1.20[0.50–3.06]   -   -  
Parity
 0 63/73 (86 %) 1 0.49 - - - -
  ≥ 1 65/79 (82 %) 0.74[0.30–1.77]   -   -  
Chronic disease
 No 120/142 (85 %) 1 0.71 - - - -
 Yes 8/10 (80 %) 0.73[0.17–5.10]   -   -  
Previous participation to GrippeNet.fr
 No 86/107 (80 %) 1 0.03 - - 1 0.10
 Yes 42/45 (93 %) 3.41[1.12–15.05]   -   2.93 [0.90–13.27]  
  1. aUnivariate analysis
  2. **Multivariate analysis including all factors associated with active participation in univariate analysis (p < 0.2). (Model 1)
  3. ***Multivariate analysis including all factors associated with active participation in model 1 (p < 0.05) + previous participation to GrippeNet.fr