title: Predictors of tobacco smoking abstinence among tuberculosis patients in South Africa.
abstract: This study examines predictors of smoking cessation in tuberculosis patients with high HIV co-infection rates in a South African primary care setting. Current smokers were randomly allocated to brief motivational interviewing (n = 205) or receipt of a brief message (n = 204). Multi-level logistic regression was performed to identify predictors of sustained 3- and 6-month abstinence and 7-day point prevalence abstinence (PPA) at 1 month, with the facility as a random effect. The intervention was ineffective among smokers with high nicotine-dependence at 1 month, but was effective for all smokers over longer periods. Higher baseline self-efficacy predicted the 1-month 7-day PPA, but not sustained abstinence. HIV-positive participants' odds of sustained abstinence were about three times higher than those of their HIV-negative counterparts. Results support a more intensive motivational intervention and/or coping skills' training to increase self-efficacy and abstinence rates. Tobacco cessation services can be introduced in tuberculosis services where high HIV co-infection rates occur.
authors: Faculty of Health Sciences, School of Health Systems and Public Health, University of Pretoria, Private Bag X 323, Pretoria, 0001, Republic of South Africa, Goedele.louwagie@up.ac.za.
authors: Goedele M C
authors: GM
authors: Louwagie
authors: Olalekan A
authors: OA
authors: Ayo-Yusuf
mesh_terms: D000328:Adult; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D062405:Motivational Interviewing; D010353:Patient Education as Topic; D011320:Primary Health Care; D012907:Smoking / Q000009:adverse effects / Q000453:epidemiology* / Q000523:psychology*; D016540:Smoking Cessation / Q000523:psychology* / Q000706:statistics & numerical data*; D013019:South Africa; D014029:Tobacco Use Disorder / Q000453:epidemiology* / Q000523:psychology*; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology* / Q000523:psychology* / Q000628:therapy
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