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Table 3 Base model for lifetime and current asthma

From: Adult asthma associated with roadway density and housing in rural Appalachia: the Mountain Air Project (MAP)

 

Lifetime asthma (n = 910)

Current asthma (n = 910)

 

aPR

P-value

95% CI

aPR

P-value

95% CI

Age group

 18–34

2.83

 < 0.001

1.77–4.51

2.04

0.01

1.15–3.62

 35–64

2.10

 < 0.001

1.42–3.12

1.90

0.01

1.21–2.97

 65 + 

Ref

 

––-

Ref

 

––-

Gender

 Female

1.21

0.14

0.94–1.56

1.40

0.04

1.02–1.93

 Male

Ref

 

––-

Ref

 

––-

Seasonal allergies

 Yes

1.86

 < 0.001

1.42–2.43

1.91

 < 0.001

1.37–2.67

 No

Ref

 

––-

Ref

 

––-

Body mass index (BMI) (kg/m2)

 Underweight (< 18.5)

1.25

0.55

0.60–2.57

1.37

0.47

0.59–3.22

 Normal (18.5–24.9)

1.04

0.83

0.73–1.48

1.00

0.99

0.64–1.56

 Overweight (25.0–29.9)

Ref

 

––-

Ref

 

––-

 Obese (30.0 +)

1.17

0.30

0.87–1.57

1.22

0.27

0.85–1.76

Educational attainment

  < High School

1.19

0.21

0.90–1.58

1.50

0.01

1.09–2.07

 High school or some college

Ref

 

––-

Ref

 

––-

 College

1.34

0.11

0.94–1.93

1.47

0.10

0.93–2.34

Type of dwelling

 Single family house

Ref

 

––-

Ref

 

––-

 Mobile home

1.02

0.87

0.77–1.36

0.98

0.89

0.69–1.38

 Multi-unit housing

1.71

0.01

1.13–2.57

2.01

0.003

1.27–3.18

Lives with current smoker

 Yes

1.23

0.22

0.89–1.70

1.20

0.39

0.79–1.83

 No

Ref

 

––-

Ref

 

––-

Smoking status

 Current

Ref

 

––-

Ref

 

––-

 Former

1.26

0.18

0.90–1.77

1.16

0.46

0.78–1.73

 Never

1.28

0.16

0.91–1.81

1.12

0.60

0.73–1.72

  1. PR prevalence ratio