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Table 5 The association of changes of adiposity measures (quartiles) between baseline and five-year follow-up with risk of novel (incident) asthma and wheezing

From: The longitudinal relationship of changes of adiposity to changes in pulmonary function and risk of asthma in a general adult population

   

Incident asthma

Incident wheezing

  

N

n

n/N

OR

CI1

CI2

n

n/N

OR

CI1

CI2

Weight

Kg

           

q1

<−1.93

570

32

5.7

ref

-

-

26

4.7

ref

-

-

q2

1.93 - <0.7

573

47

8.3

1.47

0.91

2.42

27

4.7

0.89

0.48

1.63

q3

0.7 - <3.2

570

32

5.7

0.95

0.56

1.62

34

6.0

1.25

0.72

2.20

q4

>3.2

576

46

8.1

1.17

0.71

1.95

46

8.1

1.57

0.93

2.70

BMI

Kg/m 2

           

q1

<−0.57

572

36

6.4

ref

-

-

25

4.5

ref

-

-

q2

−0.57 - <0.31

572

43

7.6

1.17

0.72

1.90

27

4.8

1.02

0.56

1.86

q3

0.31 - <1.216

572

36

6.4

1.00

0.61

1.65

35

6.2

1.35

0.77

2.41

q4

>1.22

573

42

7.4

0.88

0.53

1.43

46

7.1

1.69

0.99

2.94

WC

Cm

           

q1

<−1.5

564

30

5.4

Ref

-

-

27

4.9

ref

-

-

q2

−1.5 - <2

576

39

6.9

1.15

0.68

1.96

25

4.4

0.85

0.46

1.57

q3

2 - <5

525

45

8.7

1.62

0.98

2.71

43

8.3

1.67

0.98

2.91

q4

>5

626

43

6.9

1.14

0.69

1.91

38

6.2

1.27

0.74

2.22

FatP

Percentage points

           

q1

<−1.40

569

32

5.7

ref

-

-

31

5.0

ref

-

-

q2

−1.40 - <0.50

570

47

8.3

1.45

0.89

2.38

34

6.0

1.13

0.66

1.96

q3

0.50 - <2.402

569

42

7.5

1.24

0.75

2.06

25

4.5

0.77

0.42

1.38

q4

>2.40

570

33

5.8

0.78

0.45

1.35

40

7.1

1.20

0.71

2.05

  1. Number of participants in each group (N), number of novel cases (n) and age, gender, and tobacco (pack years) adjusted odds ratios (OR) with 95% confidence intervals (CI1-CI2)); q1-q4, quartiles 1-4; BMI, body mass index; WC, waist circumference; FatP, Fat percentage.