Parameter

Odds ratio

95%CI

P

Male sex

0.555

0.331 - 0.930

0.025

Site of survey

1.051

0.674 - 1.639

0.826

Tabacco

0.896

0.389 - 2.064

0.797

Chocolate

1.241

0.752 - 2.046

0.398

Tea

0.737

0.407 - 1.334

0.314

Coffee

0.786

0.501 - 1.234

0.296

Constipation

2.182

1.195 - 3.983

0.011

Pregnancy

0.587

0.210 - 1.636

0.308

Hearburn in familily member

1.765

1.143 - 2.725

0.010

Left lateral decubitus

0.485

0.130 - 1.818

0.283

Right lateral decubitus

6.247

2.079 - 18.775

0.001

Supine

0.823

0.465 - 1.457

0.503

Stress

1.398

0.847 - 2.308

0.190

Before a meal

0.905

0.514 - 1.593

0.729

Mornig

1.179

0.750 - 1.852

0.475

Anteflexion

1.101

0.569 - 2.129

0.776

After a meal

2.643

1.594 - 4.383

0.000

Night

1.331

0.846 - 2.094

0.216

Alcohol

1.329

0.788 - 2.240

0.286

Soda

0.783

0.483 - 1.268

0.320

Siesta

1.206

0.783 - 1.859

0.396

Fat diet

1.260

0.817 - 1.945

0.296

Body mass index

0.993

0.929 - 1.062

0.840