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Logo of agpsychBioMed Centralbiomed central web sitesearchsubmit a manuscriptregisterthis articleAnnals of General Psychiatry
Ann Gen Psychiatry. 2010; 9(Suppl 1): S160.
Published online 2010 April 22. doi:  10.1186/1744-859X-9-S1-S160
PMCID: PMC2991848

Association between depression and body mass index in patients with chronic obstructive pulmonary disease


It is well known that Chronic Obstructive Pulmonary Disease (COPD) is a disease with psychological comorbidities [1,2]. Especially depression (which its prevalence ranging between 10% and 42%) affects physical functioning in these patients and may lead to increased risk of COPD exacerbations and rehospitalization [3]. Depression characterized, among other symptoms, by a significant weight loss or weight gain or decrease or increase in appetite nearly every day. Aim of the study is to investigate the association between depression and Body Mass Index (BMI) in patients with COPD.

Materials and methods

The study was performed in one of the largest hospitals in Greece and included 119 (95 male and 24 female) outpatient with COPD. The patients responded to the Beck Depression Inventory (BDI). BMI, age and education level were also recorded.


Mean age and mean education level were 65.21 (± 7.99) and 11.05 (± 4.22), respectively, with no statistical difference as to genders (T-test p > 0.05). Mean BDI score was 11.69 (± 7.54), while a percentage of 52% presented with moderate to severe depression. The percentage of women with positive BDI score was increased compared with that of men (x2 p = 0.05). Mean BMI was 27.22 (± 4.71), while a percentage of 59.6% presented BMI > 25 (with no differences between genders). Regarding the total sample, no correlation was observed between age, education level, BMI and BDI score (Pearson correlation p > 0.05). However, separating the subjects as to gender, we observed a positive correlation between BMI and BDI score in women (spearman correlation p < 0.05).


This study confirms the high prevalence of depression in COPD patients, and especially in women. Additionally, the association between depression and BMI seems to be clearer in female gender. However, further studies are required in order to clarify these findings.


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Articles from Annals of General Psychiatry are provided here courtesy of BioMed Central