Table A2.

Related influence factors of electronic cigarette use among school personnel stratified by gender.

	Male		Female
	Ora (95%CI)	p Value	Ora (95%CI)	p Value
School
Junior high school	ref = 1		ref = 1
Senior high school	2.11 (1.12–3.95)	0.021	1.26 (0.40–3.96)	0.340
Vocational school	1.62 (0.84–3.12)	0.143	2.12 (0.59–7.55)	0.795
Age group
<40 y old	ref = 1		ref = 1
≥40 y old	0.49 (0.29–0.82)	0.007	0.37 (0.14–0.96)	0.041
Education
Bachelor’s and above	ref = 1		ref = 1
College and below	0.69 (0.33–1.43)	0.316	0.46 (0.12–2.08)	0.314
Position
Teachers	ref = 1		ref = 1
Non-teaching staff	1.85 (1.01–3.38)	0.047	0.47 (0.16–1.39)	0.175
Low score	ref = 1		ref = 1
High score	2.07 (1.26–2.38)	0.004	0.63 (0.26–1.51)	0.301
Attitude to conventional cigarette
Negative	ref = 1		ref = 1
Positive	0.85 (0.52–1.39)	0.528	2.18 (0.88–5.38)	0.090
SHS exposure
No exposure	ref = 1		ref = 1
Exposure	1.06 (0.61–1.85)	0.839	1.17 (0.44–3.15)	0.748
School rule enforcement
Strict	ref = 1		ref = 1
Not strict	0.80 (0.44–1.45)	0.456	0.75 (0.25–2.23)	0.604
Attitude toward e-cigarette
Negative	ref = 1		ref = 1
Positive	2.59 (1.58–4.24)	<0.001	1.81 (0.75–4.37)	0.189
E-cigarette exposure
No exposure	ref = 1		ref = 1
Exposure	3.09 (1.87–5.10)	<0.001	4.33 (1.64–11.37)	0.003
Smoking status
Never and former smoker	ref = 1		ref = 1
Current smoker	6.44 (3.75–11.08)	<0.001	-	-

Note: Confidence interval (CI); adjusted odds ratio (Ora).