Table 3.

The associated factors of ever-smoking in male participants in Hebei Province, central China, 2017.

	n	%	C-OR	95% CI		p	A-OR	95% CI		p
Age (every 10 years)	NA	NA	1.16	1.09	1.23	<0.001	1.06	0.99	1.14	0.094
Resident area
Urban	1,090	42.02	1	NA	NA	NA	1	NA	NA	NA
Rural	1,503	57.94	1.55	1.31	1.82	<0.001	1.06	0.86	1.31	0.573
Education attainment
Primary school or lower	564	21.74	3.85	2.95	5.02	<0.001	3.07	2.16	4.36	<0.001
High school	1,488	57.36	2.15	1.76	2.63	<0.001	1.84	1.42	2.39	<0.001
College or higher	541	20.86	1	NA	NA	NA	1	NA	NA	NA
Occupation
Farmer	395	15.23	1	NA	NA	NA	1	NA	NA	NA
Factory worker	161	6.21	0.98	0.64	1.49	0.921	1.27	0.79	2.07	0.327
Technician	400	15.42	0.43	0.32	0.58	<0.001	0.89	0.61	1.32	0.568
Officer	133	5.13	0.35	0.23	0.53	<0.001	0.70	0.43	1.15	0.158
Unemployed	157	6.05	0.95	0.62	1.44	0.798	1.01	0.65	1.58	0.969
Others	1,348	51.97	0.73	0.57	0.94	0.015	1.03	0.75	1.40	0.869
Personal income (RMB per year)a
<10,000	591	22.78	1	NA	NA	NA	1	NA	NA	NA
10,000–29,999	753	29.03	0.79	0.62	1.01	0.063	0.98	0.74	1.30	0.886
30,000–49,999	754	29.07	0.52	0.41	0.66	<0.001	0.87	0.64	1.19	0.389
≥50,000	491	18.93	0.58	0.45	0.75	<0.001	1.02	0.73	1.44	0.889
Alcohol consumption (g/day)
Never drinking	305	11.76	1	NA	NA	NA	1	NA	NA	NA
<40	1,576	60.76	1.26	0.98	1.62	0.071	1.44	1.11	1.86	0.007
41–60	273	10.52	2.57	1.78	3.72	<0.001	2.80	1.91	4.11	<0.001
>60	440	16.96	2.27	1.65	3.12	<0.001	2.40	1.72	3.33	<0.001

^a1 RMB ≈ 0.14 USD. A-OR, adjusted odds ratio; CI, confidence interval; C-OR, crude odds ratio; NA, not applicable.