Table 3.

Percentages and 95% confidence intervals (CIs) of current adult smokers who had heard but never used e-cigarettes that reported a specific reason (top five reasons presented)^* for never having tried e-cigarettes in four Chinese cities overall by sociodemographic characteristics, 2018 (N=1007)

Characteristics	Reason A		Reason B		Reason C		Reason D		Reason E
	%	95% CI	%	95% CI	%	95% CI	%	95% CI	%	95% CI
Total	35.4	26.6–44.1	24.3	18.7–29.9	14.9	10.5–19.4	14.9	10.7–19.1	14.8	10.6–19.1
Sex
Female	50.0	28.7–71.2	31.9	8.2–55.5	15.1	4.7–25.5	27.6	1.8–53.4	21.4	0.0–47.9
Male	34.3	26.6–42.0	23.8	18.3–29.2	14.9	10.8–19.1	14.0	9.7–18.2	14.4	9.9–18.8
Age (years)
15–24	31.4	12.3–50.5	17.8	2.9–32.7	5.5	0.0–11.3	8.2	0.0–21.8	10.5	0.0–24.3
25–44	35.0	26.2–43.7	24.5	17.8–31.2	18.7	13.1–24.3	17.1	11.4–22.9	15.0	9.6–20.4
45–64	37.1	28.7–45.5	27.7	21.3–34.0	15.1	9.6–20.5	15.7	10.4–21.0	17.0	10.5–23.4
>65	38.8	24.0–53.6	19.7	8.9–30.4	8.7	2.9–14.5	10.0	3.3–16.7	12.5	4.5–20.5
Education level
Primary school or below	42.3	19.8–64.8	33.5	8.9–58.1	5.9	0.8–11.1	28.7	3.9–53.4	25.6	0.0–52.2
Junior high school completed	36.3	26.7–46.0	24.6	16.7–32.4	19.3	12.9–25.6	12.4	6.7–18.1	18.1	10.7–25.5
Senior high school completed	33.5	24.3–42.6	21.6	13.3–29.8	12.3	6.0–18.7	14.2	7.8–20.7	12.5	5.8–19.3
College degree or above	35.4	23.8–47.0	25.2	18.3–32.1	16.6	11.2–22.0	14.4	8.7–20.0	13.3	8.7–17.8
Occupation
Gov. employee, teacher,healthcare provider	26.0	15.6–36.4	24.9	14.7–35.1	21.6	9.4–33.8	19.0	8.8–29.2	11.8	4.8–18.8
Factory, business, service industry employee	33.9	23.4–44.5	20.8	14.2–27.4	14.9	9.8–20.0	15.6	10.5–20.7	15.1	9.5–20.7
Not in the labor force	40.3	31.3–49.3	28.7	21.6–35.8	13.4	9.2–17.6	13.0	6.7–19.3	15.6	9.2–22.0

^*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.