|
Variables
|
Categories
|
Asthma confirmed by BHR
|
|---|
| | |
Crude model
|
Adjusted model
|
|---|
| | |
PR
|
95 % CI
|
p value
|
PR
|
95 % CI
|
p value
|
|---|
|
Group
|
Exposed vs Non-exposed
|
1.08
|
0.69
|
1.68
|
0.73
|
1.12
|
0.71
|
1.76
|
0.63
|
|
Endotoxin levels
|
Low vs High
|
1.21
|
0.78
|
1.88
|
0.40
|
0.79
|
0.51
|
1.22
|
0.29
|
|
Institutions
|
UNICAMP vs USP
|
1.40
|
0.89
|
2.18
|
0.14
|
1.25
|
0.81
|
1.93
|
0.31
|
|
Atopy
|
Yes vs No
|
7.07
|
3.68
|
13.58
|
<0.01
|
6.60
|
3,42
|
12.71
|
<0.01
|
|
Smoking
|
Yes vs No
|
0.89
|
0.48
|
1.64
|
0.70
|
1.00
|
0.54
|
1.86
|
0.99
|
|
Sex
|
Male vs Female
|
1.39
|
0.87
|
2.21
|
0.17
|
1.48
|
0.93
|
2.37
|
0.10
|
|
Past exposure to laboratory animals
|
Yes vs No
|
1.36
|
0.87
|
2.14
|
0.17
|
1.24
|
0.79
|
1.94
|
0.35
|
|
Pet owning history
|
Yes vs No
|
1.17
|
0.73
|
1.87
|
0.52
|
1.05
|
0.66
|
1.66
|
0.83
|
|
Age
|
Continuous
|
0.96
|
0.94
|
0.99
|
<0.01
|
0.98
|
0.95
|
1.01
|
0.16
|
|
Worker functions
|
Technicians/secretaries vs researchers
|
1.44
|
0.52
|
3.95
|
0.48
|
1.35
|
0.49
|
3.72
|
0.56
|
|
Students vs researchers
|
1.74
|
0.65
|
4.71
|
0.27
|
1.09
|
0.41
|
3.72
|
0.56
|
-
BHR bronchial hyperresponsiveness, PR prevalence ratio, CI confidence interval, UNICAMP State University of Campinas, USP University of São Paulo, Low endotoxin concentration: ≤ 20.4 EU/mg of dust, High endotoxin concentration: > 20.4 EU/mg of dust
