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Table 1 Demographics of all participants, cases, controls and mono-infection cases

From: Erratum To: Respiratory viral pathogens among Singapore military servicemen 2009 – 2012: epidemiology and clinical characteristics

Characteristics

All (Count,%)

Cases (Count,%)

Controls (Count,%)

Mono-infection (Count,%)

p-value†

Age (Mean, SD)

20.8 (3.1)

20.7 (3.1)

21.1 (2.9)

20.7 (3.2)

0.781

Male

9055 (99.8)

7713 (99.7)

1342 (99.9)

3422 (99.8)

0.902

Current Smoker

2475 (27.3)

2090 (27.0)

385 (28.6)

887(25.9)

0.220

Recruit

6048 (66.6)

5568 (72.0)

480 (35.7)

2495 (72.7)

<0.001

Asthma

1833 (20.2)

1597 (20.7)

236 (17.6)

721 (21.0)

0.051

Heart Disease

102 (1.1)

83 (1.1)

19 (1.4)

37 (1.1)

0.748

Total

9077 (100.0)

7733 (100.0)

1344 (100.0)

3430 (100.0)

-

  1. † By ANOVA test, comparing mean age, and by Pearson’s chi-square test, comparing proportions across all categories.