Analysis of multidimensional factors in attempts to quit using tobacco by Korean adolescents

Table 3 Factors influencing attempts to quit using tobacco in adolescent tobacco users

Categories	Variables	Subcategories	AOR (95% CI)^a	p
General characteristics	Academic performance	High	0.87 (0.72–1.06)	.171
		Middle	0.85 (0.69–1.04)	.112
		Low	Reference
Psychological dimension	Perceived stress	High	Reference
Psychological dimension	Perceived stress	Low	1.12 (0.94–1.32)	.197
Physical dimensions	Asthma	Yes	1.25 (0.98–1.59)	.076
	Asthma	No	Reference
	Obesity	Yes	Reference	.164
	Obesity	No	1.15 (0.95–1.39)
Behavioral dimensions	Participation in sports activities	Yes	1.20 (1.01–1.41)	.032
	Participation in sports activities	No	Reference
	Vigorous physical activity (≥ 3 days/week)	Yes	1.24 (1.06–1.46)	.009
	Vigorous physical activity (≥ 3 days/week)	No	Reference
	Type of tobacco product used	Only cigarettes	1.65 (1.24–2.21)	.001
		E-cigarettes with nicotine or HTPs (without cigarettes)	Reference
		Dual use	1.62 (1.22–2.15)	.001
Environmental dimensions	Pictorial cigarette pack warnings (perceived smoking as unhealthy)	Yes	1.91 (1.56–2.36)	< .001
		No	Reference
	Secondhand smoking at home (≥ 1 day/week)	Yes	Reference	.035
	Secondhand smoking at home (≥ 1 day/week)	No	1.18 (1.01–1.38)

CI confidence interval, AOR adjusted odds ratio
^aNagelkerke R² = .035, Cox and Snell R² = .024; adjusted for academic performance, perceived stress, asthma, obesity, participation in sports activities, vigorous physical activity (≥ 3 days/week), type of tobacco product used, pictorial cigarette pack warnings being used to recognize cigarettes as unhealthy, secondhand smoking at home (≥ 1 days/week)

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