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Author (up) Leivseth, L.; Nilsen, T.I.L.; Mai, X.-M.; Johnsen, R.; Langhammer, A. url  doi
  Title Lung function and anxiety in association with dyspnoea: the HUNT study Type Journal Article
  Year 2012 Publication Respiratory Medicine Abbreviated Journal Respir Med  
  Volume 106 Issue 8 Pages 1148-1157  
  Keywords Adult; Aged; Anxiety/*complications/epidemiology/physiopathology; Cross-Sectional Studies; Dyspnea/epidemiology/*etiology/physiopathology/psychology; Female; Forced Expiratory Volume/physiology; Humans; Lung/*physiopathology; Male; Middle Aged; Norway/epidemiology; Psychiatric Status Rating Scales; Vital Capacity/physiology; Walking/physiology  
  Abstract BACKGROUND: Few studies from the general population have investigated the role of anxiety in reporting dyspnoea. We examined the independent and combined association of lung function and anxiety symptoms with the prevalence of dyspnoea in different situations. METHODS: The study included 5627 women and 5066 men who participated in the Lung study of the Nord-Trondelag Health Study second survey in 1995-97. In a cross-sectional design we used logistic regression to calculate adjusted odds ratios (ORs) for reporting dyspnoea associated with levels of percent predicted FEV(1) (ppFEV(1)) and anxiety (Hospital Anxiety and Depression Scale). RESULTS: Overall, there was a linear inverse association between ppFEV(1) and dyspnoea (all P(trend) < 0.001), and a positive association between anxiety symptoms and dyspnoea (all P(trend) < 0.001). In combined analysis, using people with ppFEV(1) >/=100 without anxiety as reference, the OR (95% confidence interval) for reporting dyspnoea when walking on flat ground was 6.23 (3.45-11.28) in women with ppFEV(1) <80 without anxiety and 15.14 (7.13-32.12) in women with ppFEV(1) <80 with anxiety. The corresponding ORs among men were 5.75 (2.23-14.18) and 15.19 (4.74-48.64), respectively. Similar patterns were seen for dyspnoea when sitting still and woken at night by dyspnoea. CONCLUSION: Impaired lung function and anxiety symptoms were independently associated with reporting dyspnoea. Within lung function levels, reporting dyspnoea was more common among people with anxiety symptoms than among people without. This suggests that, in addition to its relation to reduced lung function, the subjective experience of breathing discomfort may also influence or be influenced by anxiety.  
  Address Norwegian University of Science and Technology (NTNU), Faculty of Medicine, Department of Public Health and General Practice, P.O. Box 8905, MTFS, NO-7491 Trondheim, Norway. linda.leivseth@ntnu.no  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0954-6111 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:22579439 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1544  
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