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Table 2 Factors associated with HAdV infection in patients with acute conjunctivitis

From: Adenovirus-associated acute conjunctivitis in Beijing, China, 2011–2013

Category Conjunctivitis cases, N HAdV Positive n (%) p - valuee
Gender
 Male 484 203 (41.9) 0.158
 Female 392 146 (37.2)  
Age group (year)a
 0–6 36 14 (38.9) < 0.001
 7–17 58 23 (39.7)  
 18–40 479 222 (46.3)  
 41–65 233 78 (33.5)  
  ≥ 66 70 12 (17.1)  
Occupation
 Children in daycare 15 6 (40.0) < 0.001
 Children stay-at-home 17 8 (47.1)  
 Student 89 32 (36.0)  
 Teacher 21 9 (42.9)  
 Food and beverage server 26 16 (61.5)  
 Commercial service personnel 83 36 (43.4)  
 Physician 20 3 (15.0)  
 Laborer 136 71(52.2)  
 Farmer 85 24 (28.2)  
 Government employee 87 34 (39.1)  
 Retired people 100 22 (22.0)  
 Unemployed 84 33 (39.3)  
 Other 113 55 (48.7)  
Geographic distribution
 Urban 404 160 (39.6) 0.859
 Suburban 472 189 (40.0)  
Studentb
 Summer vacation (Jul-Aug) 53 19 (35.8) 0.980
 School term (Sep-Oct) 36 13 (36.1)  
Contact history with a conjunctivitis casec
 Yes 83 51 (61.4) < 0.001
 No 659 240 (36.4)  
Sampling day after symptom onsetd
 1st 156 46 (29.5) < 0.001
 2nd 191 51 (26.7)  
 3rd 155 60 (38.7)  
 4th 131 68 (51.9)  
 5th 70 42 (60.0)  
 6th 39 22 (56.4)  
 7th 25 11 (44.0)  
 ≥ 8th 88 28 (31.8)  
  1. aAge was divided into 5 groups according to age segmentation in China
  2. bA total of 89 students were included in this analysis
  3. c134 patients were not sure if they had a contact history and were excluded from analysis. A total of 742 patients were included in this analysis
  4. d21 mixed-infection cases were observed in this study and was excluded from analysis. A total of 855 patients were included in the analysis.Associations between risk factors and HAdV infection were done by univariate analysis
  5. eP-value was conducted by Pearson’s χ2. The bold values means significant difference was obtained between or among compared groups