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Monroe DC, McDowell CP, Kenny RA, Herring MP. Dynamic associations between anxiety, depression, and tobacco use in older adults: Results from The Irish Longitudinal Study on Ageing. J Psychiatr Res 2021; 139:99-105. [PMID: 34058656 PMCID: PMC8527842 DOI: 10.1016/j.jpsychires.2021.05.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 03/29/2021] [Accepted: 05/01/2021] [Indexed: 12/14/2022]
Abstract
Evidence supports moderate-to-large reductions in anxiety, depression, and perceived stress after smoking cessation; however, much of the available evidence has focused on young adults. Therefore, this study quantified associations between smoking and smoking cessation on prevalent and incident generalised anxiety disorder (GAD) and major depression (MDD) in a nationally representative sample of Irish older adults. Participants (n = 6201) were community dwelling adults aged ≥50 years resident in Ireland. Smoking status and self-reported doctor diagnosis of anxiety or depression prior to baseline were assessed at baseline (i.e., Wave 2). At baseline and 2-, 4-, and 6-year follow-up (i.e., Waves 3-5), GAD and MDD were assessed by the Composite International Diagnostic Interview Short-Form. Logistic regression quantified cross-sectional and prospective associations (odds ratios (ORs) and 95% confidence intervals (95%CIs)) between smoking status and mental health. Prevalence and incidence of GAD was 9.1% (n = 566) and 2.8% (n = 148), respectively. Prevalence and incidence of depression was 11.1% (n = 686) and 6.4% (n = 342), respectively. Following full adjustment, current smokers had higher odds of prevalent GAD (OR = 1.729, 1.332-2.449; p < 0.001) and MDD (OR = 1.967, 1.548-2.499; p < 0.001) than non-smokers. Former smokers had higher odds of prevalent GAD than non-smokers (OR = 1.276, 1.008-1.616; p < 0.001). Current smokers did not have higher odds of incident MDD (OR = 1.399, 0.984-1.990; p = 0.065) or GAD than non-smokers (1.039, 0.624-1.730; p = 0.881). Findings may have important implications for interventions designed to curb tobacco abuse, which tend to be less successful among those with anxiety and depression.
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Affiliation(s)
- Derek C. Monroe
- Department of Kinesiology, University of North Carolina at Greensboro, NC, USA,Department of Neurology, University of California-Irvine, Irvine, CA, USA
| | - Cillian P. McDowell
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Ireland,School of Medicine, Trinity College Dublin, Ireland,Physical Activity for Health Research Cluster, Health Research Institute, University of Limerick, Limerick, Ireland
| | - Rose Anne Kenny
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Ireland,School of Medicine, Trinity College Dublin, Ireland,Mercer’s Institute for Successful Ageing, St James’s Hospital, Dublin, Ireland
| | - Matthew P. Herring
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Ireland,Physical Activity for Health Research Cluster, Health Research Institute, University of Limerick, Limerick, Ireland,Department of Physical Education and Sport Sciences, University of Limerick, Limerick, Ireland
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