Health signs and symptoms n = 56 articles (58%) | General health perceptions n = 18 articles (18%) | Quality of life (QoL)/Health-related Quality of Life (HRQoL)/Functional Status n = 9 articles (9%) | Individual characteristics n = 8 articles (8%) | Environmental characteristics n = 11 articles (11%) | Biomarkers and biological endpoints n = 12 articles (12%) |
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Mental health and cognitive functioning n = 28 articles [45, 50, 51, 54, 56, 57, 60, 61, 65, 66, 72,73,74, 80, 83, 91, 94, 96, 101, 105, 108, 111, 117, 124, 126, 127, 129, 130] Oral health n = 4 articles Pain and physical trauma n = 6 articles Respiratory, cardiovascular and inflammatory conditions n = 5 articles Other health conditions (including insomnia, liver disease, eye health, hearing loss) n = 5 articles Smoking cessation-related health signs and symptoms (health benefits, dependence, addiction, withdrawal symptoms) n = 8 articles | General health perceptions and cigarettes n = 9 articles [41, 52, 58, 67, 74, 78, 86, 88, 103] Health perceptions related to e-cigarettes and other TNPs n = 9 articles | Smoking and otherwise healthy individuals n = 5 articles Smoking and comorbid health conditions n = 1 article [77] Nicotine reduction, smoking cessation, and quality of life n = 3 articles | General observations (demographics, smoking and TNP use patterns) n = 4 articles Smoking cessation (intention to quit) n = 1 article [70] E-cigarettes (use patterns) n = 3 articles | Initiating/continuing to smoke n = 3 articles Social functioning and stigma n = 5 articles Family and peer influence and Second-hand smoke n = 2 articles Regulations and policies regarding public smoking and tobacco control and bans n = 1 article [69] | Cardiovascular risk inflammation and physiological stress n = 5 articles Depression, stress and anxiety n = 2 articles Internal microbiome and risk of infection n = 1 article [47] Oral health n = 1 article [64] Respiratory function n = 1 article [119]; Renal function n = 1 article [84] Metabolic function n = 1 article [113] |