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Table 5 Prevalence of GERD by BMI class, Smoking habits and number of coffee consumed

From: Gastroesophageal reflux symptoms among Italian university students: epidemiology and dietary correlates using automatically recorded transactions

 

No GERD

GERD

 

n

%

n

%

BMI class ∗

 

Underweight

216

9.7

84

10.6

Normal weight

1694

76.0

574

72.5

Overweight

265

11.9

101

12.8

Class I obesity

42

1.9

23

2.9

Class II obesity or more

11

0.5

10

1.3

Smoking habit ∗

 

Non smoker

1827

82.0

597

75.3

Smoker

401

18.0

195

24.7

Number of coffee consumed ∗

 

None

556

25.0

184

23.2

1–2

1131

50.8

374

47.2

3–4

483

21.7

210

26.5

5 or more

58

2.6

24

3.0

  1. *P-value <0.05 for comparison in GERD prevalence among groups