Association of Environmental tobacco smoke exposure with depression among non-smoking adults (original) (raw)
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Drug and alcohol dependence, 2017
After declining sharply for many years, the prevalence of smoking has remained fairly stable over the past decade. One possible explanation is that there has been an increase in the prevalence of barriers to cessation, like depression, among remaining smokers. To estimate changes in the prevalence of depression among current, former and never smokers in the United States (U.S.) population from 2005 to 2013 overall and by age, gender, and income. Data were drawn from the National Household Survey on Drug Use (NSDUH), an annual cross-sectional study of persons ages 12 and over (N=496,805). The prevalence of past 12-month depression was examined annually among current (past 12-month), former (not past 12-month), and lifetime non-smokers from 2005 to 2013. Data were re-analyzed stratified by age, gender, and household income, and adjusted for demographics. Depression appears to have significantly increased in the United States from 2005 to 2013 among current, former, and never smokers. ...
PLOS ONE
Introduction Depression is a global burden that is exacerbated by smoking. The association between depression and chronic smoking is well-known; however, existing findings contain possible confounding between nicotine dependence (ND), a latent construct measuring addiction, and objective smoking behavior. The current study examines the possible unique role of ND in explaining depression, independently of smoking behavior. Methods A nationally-representative sample of current adult daily smokers was drawn by pooling three independent, cross-sectional, biennial waves (spanning 2011-16) of the National Health and Nutrition Examination Survey (NHANES). The association between ND (operationally defined as time to first cigarette (TTFC) after waking) and the amount of depression symptoms was examined after adjusting for both current and lifetime smoking behaviors (cigarettes per day and years of smoking duration) and sociodemographic factors (gender, age, race, education and income to poverty ratio). Results Earlier TTFC was associated with more depression symptoms, such that those smoking within 5 minutes of waking had an approximately 1.6-fold higher depression score (PRR = 1.576, 95% CI = 1.324-1.687) relative to those who smoke more than 1 hour after waking. This relationship remained significant after adjusting for current and lifetime smoking behavior as well as sociodemographic factors (PRR = 1.370, 95% CI = 1.113, 1.687).
Nicotine & Tobacco Research
Introduction We use multilevel modeling to parse out the effects of time-varying smoking abstinence and baseline depression (history and severity) on depression severity over 1 year. Aims and Methods Participants were 1000 smokers recruited worldwide for an online randomized controlled tobacco cessation trial. We examined whether changes in depression severity over time were associated with self-reported 7-day point prevalence smoking status assessed at 1-, 3-, 6-, and 12-month follow-up (FU) using baseline major depressive episode (MDE) history and baseline depression severity as time-invariant covariates. We present depression severity means and smoking abstinence at each FU. Results Regardless of concurrent abstinence status, baseline MDE history was significantly related to depression severity over time: those reporting a past MDE had worse depressive symptoms over time compared with those reporting no MDE history. Baseline depression severity interacted significantly with time-...
Journal of Diabetes, 2014
Background: The aim of the present study was to investigate the stability and longitudinal association between depression and smoking status within a community sample with type 2 diabetes (T2D) while controlling for sociodemographic and disease-related variables. Methods: Adults with T2D were recruited and agreed to be followed-up via random digit dialing for the Montreal Diabetes Health Study. At baseline, 1614 individuals were classified as never (n = 592), former (n = 690), light (≤10 cigarettes a day; n = 128) and moderate-heavy (11+ cigarettes a day; n = 204) smokers. Depression was assessed using the Patient Health Questionnaire-9 and individuals were classified as either "none" or having depression syndrome. Generalized estimating equations were used to test the association between depression syndrome and current smoking status while controlling for other demographic and health-related variables. Results: Prevalence rates of smoking and depression showed mild to substantial agreement over time. Depression syndrome was significantly associated with moderate-heavy smoking in the fully adjusted model using cross-sectional (all four waves; odds ratio [OR] 1.46; 95% confidence interval [CI] 1.08-1.99; P < 0.05) and longitudinal (controlling for depression at baseline; OR 1.54; 95% CI 1.02-2.31; P < 0.05) data. Conclusions: Smoking and depression prevalence rates appear to be stable over time in our community sample with T2D. Moderate-heavy smoking is strongly associated with elevated depression, both in cross-sectional and longitudinal models. Persistent moderate-heavy smokers may be at increased risk of both physical and mental health complications. This burden is even greater for those with T2D.
Smoking has physical and psychoactive effects, and heavy smoking is associated with depression
Japanese Journal of Health and Human Ecology
The effects of smoking on physical and mental health were assessed in a cohort of 3,376 middle-aged men by a health questionnaire, the Total Health Index, and by mortality risk ratio. Participants were grouped into the four following smoking classes: never smoked, smoke 1-19, 20-29, and ≥30 cigarettes a day. The Index has 15 physical and mental symptom scales that assess his perceived health of respiratory organs, digestive organs, short temper, depression, aggressiveness, et al. Each scale score was calculated as the sum of the positive number of symptoms, and a higher score indicates more symptoms. Starting from never smoked class, mean respiratory organ scale score increase linearly depending on the heavier smoking classes. Mean digestive organ scale score and the other three scale scores also showed linear dose-response relationship with the three classes of increasing number of cigarettes smoked a day. The other seven scale scores showed not a linear but J-shaped dose-response relationship. The never-smoked, smoke 1-19, and 20-29 cigarettes per day classes showed no increased response; only the heaviest class, smoke ≥30 cigs or more a day, had significantly higher mean scores for vague complaints, short temper, anxiety, depression, mouth, eye, and neurotics. Mortality risk of lung cancer was also high in heavy smokers (RR 3.71). Men of depression included more heavy smokers than the other non-depression men (P 0.0014). Key words：heavy smoking; physical health; mental effect; mortality risk; depression I. Introduction Smoking, a leading cause of lung cancer globally, has psychotropic effects, as well as a detrimental effect on physical health. Over the past 25 years, researchers have uncovered strong evidence for a relationship between smoking and health in many countries, including Japan, the US, Australia, the UK, France, Brazil, and Korea. 1-9) Associations between smoking and physical and mental health have been thoroughly examined in adolescents and people with psychiatric disorders. 10-15) In the present study, a questionnaire, the Total Health Index (THI) was used to assess the relationship of smoking classes and perceived physical and mental health 16,17) in a cohort of middle-aged men. We report smoking-related risks of depression and mortality of all causes of death and
Single versus recurrent depression history: Differentiating risk factors among current US smokers
Drug and alcohol …, 2010
The strong relationship between persistent tobacco use and Major Depressive Disorder (MDD) has motivated clinical trials of specialized treatments targeting smokers with a history of MDD. Meta-analyses suggest positive responses to specialized treatments have been observed consistently among smokers with history of recurrent rather than a single episode of MDD. Approximately 15% of current US smokers have a history of recurrent MDD. Little is known about the risk factors that contribute to persistent smoking and differentiate these at-risk smokers. US.