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Table 3 a) Associations of obesity with RTIs and b) with long lasting RTIs

From: Obesity and risk of respiratory tract infections: results of an infection-diary based cohort study

a)

 

Prevalence (%)

 

(Obese vs non-obese)

(Obese vs non-obese)

Outcome indicators

BMI < 25 (N = 816)

Overweight (N = 452)

Obese (N = 187)

Crude OR

95% CI

Adjusteda OR

95% CI

Monthly level:

 Any RTI

33.2

39.0

43.5

1.48

(1.18; 1.85)

1.49

(1.18; 1.87)

 Any URTI

28.9

33.6

38.4

1.48

(1.17; 1.87)

1.55

(1.22; 1.96)

 Any LRTI

6.0

9.8

12.1

2.54

(1.69; 3.80)

2.02

(1.36; 3.00)

 Sinusitis

5.7

7.9

10.6

1.99

(1.29; 3.08)

2.12

(1.36; 3.31)

 Rhinitis

24.2

28.4

32.8

1.43

(1.13; 1.80)

1.53

(1.21; 1.94)

 Otitis media

0.68

1.18

1.49

2.22

(0.90; 5.47)

2.31

(0.95; 5.63)

 Pharyngitis/Laryngitis

9.3

11.3

13.5

1.69

(1.23; 2.33)

1.70

(1.23; 2.36)

 Tonsillitis

1.7

2.3

2.1

1.36

(0.67; 2.79)

1.56

(0.77; 3.16)

 Influenza-like illness

9.8

12.7

15.2

1.58

(1.23; 2.03)

1.58

(1.23; 2.03)

 Bronchitis

5.9

9.8

11.7

2.38

(1.58; 3.59)

1.89

(1.26; 2.83)

 Pneumonia

0.19

0.13

0.45

6.06

(1.35;27.21)

6.01

(1.30;27.90)

 Other acute resp. infections

2.1

2.9

2.0

0.80

(0.41; 1.57)

0.73

(0.37; 1.43)

  ≥ 3 RTIs

6.8

10.2

12.8

2.15

(1.52; 3.03)

2.12

(1.50; 3.00)

 Long RTIs

9.9

15.4

20.4

2.41

(1.72; 3.39)

2.14

(1.52; 3.02)

 Upper 10% in diaryscore

7.5

12.2

15.7

2.21

(1.57; 3.12)

2.09

(1.48; 2.96)

Seasonal level:

  ≥ 4 months RTIs

15.5

22.4

28.4

2.69

(1.62; 4.45)

2.54

(1.53; 4.21)

  ≥ 3 long RTIs

6.7

11.0

17.4

3.13

(2.01; 4.88)

2.81

(1.79; 4.40)

 Upper 10% in diary score

6.3

13.4

19.2

4.85

(2.53; 9.32)

3.95

(2.08; 7.51)

Individual level:

 Upper 10% in diary score

6.0

13.7

18.2

2.32

(1.52; 3.52)

1.97

(1.28; 3.04)

b)

 

Frequencyb (%)

(Obese vs non-obese)

(Obese vs non-obese)

Outcome indicators

BMI < 25 (N = 816)

Overweight (N = 452)

Obese (N = 187)

Crude OR

95% CI

Adjusteda OR

95% CI

Any long RTIs

29.9

39.1

46.6

2.24

(1.64; 3.05)

1.93

(1.42; 2.63)

Sinusitis

35.9

44.3

41.8

1.77

(0.94; 3.31)

1.51

(0.80; 2.86)

Rhinitis

22.1

28.1

35.6

1.84

(1.29; 2.62)

1.71

(1.20; 2.44)

Otitis media

31.1

34.1

36.9

4.12

(0.38;45.18)

2.87

(0.26;31.54)

Pharyngitis/Laryngitis

21.9

31.8

37.4

2.42

(1.48; 3.97)

2.15

(1.32; 3.51)

Tonsillitis

16.2

14.7

22.5

3.21

(0.64;16.15)

2.98

(0.59;15.05)

Influenza-like illness

21.6

28.2

34.4

2.13

(1.34; 3.38)

1.86

(1.18; 2.94)

Bronchitis

44.0

47.5

59.8

2.08

(1.33; 3.24)

2.06

(1.32; 3.23)

Pneumonia

52.4

57.1

72.7

4.18

(0.25;81.73)

3.40

(0.17;68.52)

Other acute resp. infections

44.6

47.6

53.3

2.42

(0.58;10.14)

2.09

(0.51; 8.56)

  1. aadjusted by age (continuous) and educational status (three categories)
  2. bfor all months in which a respective infection was reported
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