Coffee And Depression : The Fifth Korean National Health And Nutrition Examination Survey

700 Words Nov 3rd, 2016 3 Pages
Coffee and depression in Korea: the fifth Korean National Health and Nutrition Examination Survey (3)

Introduction The article “Coffee and depression in Korea: the fifth Korean National Health and Nutrition Examination Survey” was published in the European Journal of Clinical Nutrition in 2015. The question the authors looked at was whether there was a correlation between coffee consumption and the prevalence of depression among South Korean adults. There had been no previous studies examining this association in South Korea.
Methodology
It was a cross-sectional study that was performed on humans in South Korea. The sample size consisted of 10,177 Korean individuals aged 20-97 who had participated in the fifth Korean National Health and Nutrition Examination Survey. Coffee consumption and depression were self-assessed by participants using a questionnaire. Participants were divided into five groups based on their consumption levels: drinking less than one cup of coffee a week, one to six cups a week, one cup a day, two cups a day and three or more cups a day. Subsequent multiple logistic regression analysis was used to evaluate odds ratios and 95% confidence intervals for depression.
Other factors that could potentially impact the results were also recorded. The height and weight of the participants were measured as part of a health examination and BMI was then calculated. Risk factors such as smoking status, alcohol consumption level, physical activity, educational…

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