Article

Association between dinner-to-bed time and gastro-esophageal reflux disease.

Department of Gastroenterology, Osaka City University, Graduate School of Medicine, Osaka, Japan.
The American Journal of Gastroenterology (Impact Factor: 9.21). 12/2005; 100(12):2633-6. DOI: 10.1111/j.1572-0241.2005.00354.x
Source: PubMed

ABSTRACT It is generally recommended that patients with gastro-esophageal reflux disease (GERD) refrain from eating within 3 h of going to sleep. In addition to a remarkable lack of supporting clinical evidence, whether GERD patients have shorter dinner-to-bed time is unknown. This study was designed to determine a possible association between dinner-to-bed time and GERD, compared with healthy adults.
In a matched case-control study, we enrolled 147 GERD patients, and age- and sex-matched 294 controls without GERD symptoms such as heartburn and acid regurgitation during the previous year. Dinner-to-bed time, defined as the time intervals until going to bed after finishing eating dinner, was examined by a self-report questionnaire. Logistic regression was used to calculate odds ratio (OR) and 95% confidence intervals (CI) for GERD.
After adjustment for smoking habits, drinking habits, and body mass index, shorter dinner-to-bed time was significantly associated with an increased OR of GERD (p < 0.0001) and the OR for patients whose dinner-to-bed time was less than 3 h was 7.45 (95% CI 3.38-16.4) compared with patients whose dinner-to-bed time was 4 h or more. These observations were consistent in both patients with non-erosive GERD and erosive esophagitis, and there was no significant difference in dinner-to-bed time intervals between non-erosive GERD and erosive esophagitis.
In this matched case-control study, shorter dinner-to-bed time was significantly associated with an increased OR for GERD.

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