Second hand smoke exposure in public venues and mental disorder: a representative nationwide study of China

Table 2 Mental disorder prevalence among urban residents in China, 2011

Group	Number	Mental disorder prevalence (%)	Unadjusted OR
Age (years)
< 25	2110	22.7	1.00
25–34	3061	23.2	1.03 (0.88,1.21)
35–44	2537	19.3	0.82 (0.64,1.04)
45–54	1620	21.0	0.91 (0.73,1.12)
55+	1878	20.3	0.87 (0.61,1.26)
Gender
Male	3747	14.1	1.00
Female	7459	24.1	1.93 (1.07,3.46)**
Ethnicity
Han	9776	17.9	1.00
Other	1430	50.6	4.67 (2.12,9.44)
Education
Elementary school or less	634	23.2	1.00
Junior high school	2390	13.7	0.52 (0.30,0.92)**
High school	4089	7.9	0.28 (0.13,0.64)***
Junior college or more	4093	37.2	1.96 (1.15.3.33)***
Occupation
Managers and clerks	576	21.7	1.00
Professionals	580	19.6	0.88 (0.30,0.92)
Commerce and service	1254	19.3	0.87 (0.55,1.37)
Operations	2811	10.3	0.42 (0.23,0.76)***
Students	1841	4.5	0.17 (0.05,0.55)***
Retired	1319	42.6	2.69 (2.69,5.19)***
Other	2825	40.5	2.16 (1.26,4.82)***
Income/person/year (Yuan)
< 10,000	1416	23.3	1.00
10,000–19,999	3130	12.1	0.45 (0.26,0.80)***
20,000–29,999	3103	8.6	0.31 (0.14,0.69)***
30,000–39,999	1413	14.1	0.54 (0.18,1.56)
40,000–49,999	990	39.4	2.16 (0.97,4.82)*
50,000+	1154	60.3	5.01 (0.41,17.76)**
Region location
East	4556	19.6	1.00
Middle	1664	21.8	1.14 (0.74,1.77)
West	4986	23.2	1.23 (0.81,1.88)
SHS exposure in work place
Never	530	18.1	1.00
Rarely	1869	11.1	0.56 (0.26,1.21)
Sometime	5357	11.4	0.58 (0.31,1.09)*
Often	2230	30.1	1.95 (0.98,3.87)*
Always	1220	71.3	11.25 (3.90,32.45)***
SHS exposure in public place
Never	365	19.5	1.00
Rarely	1729	14.9	0.72 (0.40,1.31)
Sometime	5629	9.0	0.41 (0.21,0.81)**
Often	1730	39.2	2.66 (1.29,5.48)***
Always	554	61.6	6.61 (2.40,18.20)***

ISSN: 1617-9625