Gastroesophageal reflux

Age > 11 yrs

Yes

10 (12.8)

6.69

2.03

22.05

0.0001

No

4 (2.2)

Overweight

Yes

6 (10.7)

2.78

1.008

7.69

0.04

No

8 (3.8)

Chest pain/tightness

Yes

11 (9.57)

6.07

1.37

26.82

0.006

No

2 (1.57