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