Epidemiology and clinical features of alcoholic liver disease in Hainan Province, China

Table 3 Harmful drinking rate among permanent residents of Hainan Province, n (%)

Features	Number of investigators	Harmful drinking rate	χ2	P value
Age			8.463	0.131
≥ 15-25	110	0 (0)
> 25-35	465	21 (4.5)
> 35-45	557	35 (6.3)
> 45-55	643	34 (5.3)
> 55-65	562	30 (5.3)
> 65	367	16 (4.4)
Sex			177.521	0.000
Male	949	120 (12.6)
Female	1755	16 (0.9)
Ethnicity			40.352	0.000
Han	1989	86 (4.3)
Li	668	42 (6.3)
Other ethnic minorities (Mongolian, Miao, Hui, etc.)	47	8 (17.0)
Household registration			0.461	0.497
Non-agricultural	765	35 (4.6)
Agricultural	1939	101 (5.2)
Literacy			1.203	0.752
Primary school	991	48 (4.8)
Junior high school	865	49 (5.7)
High school/secondary school	475	21 (4.4)
College/university and above	373	18 (4.8)
Marital status			0.603	0.758
Unmarried	810	37 (4.6)
Married	1845	96 (5.2)
Divorced/widowed	49	3 (6.1)
Personal monthly income (RMB)			23.613	0.000
≤ 3000	1768	71 (4.0)
3000-5000	706	38 (5.4)
5000-10000	211	23 (10.9)
> 10000	19	4 (21.1)