Table 4.

Adjusted odds ratios (AORs)^a of reporting a specific reason (top five reasons presented)^* for never having tried e-cigarettes among current adult smokers who had heard but never used e-cigarettes in four Chinese cities overall, 2018 (N=1007)

Characteristics	Reason A		Reason B		Reason C		Reason D		Reason E
	AOR	95% CI	AOR	95% CI	AOR	95% CI	AOR	95% CI	AOR	95 % CI
Sex
Female	1.8	0.9–3.7	1.5	0.6–3.6	1.5	0.7–3.3	2.7	0.9–7.9	1.6	0.5–5.2
Male	Ref.		Ref.		Ref.		Ref.		Ref.
Age (years)
15–24	0.9	0.3–2.1	1.1	0.3–3.7	0.6	0.1–2.2	0.8	0.1–6.4	1.1	0.2–6.2
25–44	1.1	0.6–2.1	2.0	0.9–4.9	2.1	0.9–5.2	2.4	0.7–7.7	1.8	0.6–5.3
45–64	1.1	0.6–2.2	2.2	0.9–5.0	1.6	0.6–4.1	2.1	0.7–6.6	1.9	0.6–5.7
≥65	Ref.		Ref.		Ref.		Ref.		Ref.
Education level
Primary school or below	1.0	0.4–2.4	1.3	0.5–3.5	0.4	0.2–1.1	3.3	0.8–13.1	2.4	0.6–10.2
Junior high school completed	0.9	0.5–1.6	0.8	0.5–1.5	1.3	0.8–2.4	1.0	0.5–2.0	1.4	0.7–2.7
Senior high school completed	0.8	0.5–1.3	0.7	0.4–1.2	0.8	0.4–1.6	1.1	0.6–2.2	0.9	0.5–1.8
College degree or above	Ref.		Ref.		Ref.		Ref.		Ref.
Occupation
Gov. employee, teacher, healthcare provider	0.5	0.3–0.9	0.7	0.4–1.2	1.6	0.8–3.5	1.9	0.7–4.7	0.8	0.4–1.8
Factory, business, service industry employee	0.8	0.5–1.3	0.6	0.4–1.0	1.0	0.6–1.7	1.4	0.9–2.4	1.1	0.7–1.8
Not in the labor force	Ref.		Ref.		Ref.		Ref.		Ref.

^aThe logistic regression models were adjusted for sex, age, education level, and occupation type.

^*A: I do not want to quit smoking; B: I do not think they would help me to quit or cut down; C: I am not addicted to smoking and don’t need help to quit; D: I am concerned they are not safe enough; E: I do not want to substitute one addiction for another.