A Case-Control Study on Risk Factors and Their Interactions with Prediabetes among the Elderly in Rural Communities of Yiyang City, Hunan Province

Table 1

Sociodemographic characteristics of the study subjects.

Variables	Cases ()		Controls ()		Value	value
	No.	%	No.	%
Age (years)
60-69	232	54.6	236	55.5	4.40	0.111
70-79	169	39.8	161	37.9
≥80	24	5.6	28	6.6
Gender
Male	180	42.4	180	42.4	—	1.000
Female	245	57.6	245	57.6
Occupation
Farmer	194	45.6	207	48.7	8.26	0.220
Worker	98	23.1	99	23.3
Retired	69	16.2	59	13.9
Other occupation	64	15.1	60	14.1
Marriage status
Married	308	72.5	303	71.3	0.10	0.756
Nonmarried	117	27.5	122	28.7
Education
≤6 years	344	80.9	353	83.1	0.51	0.474
>6 years	81	19.1	72	16.9
Personal annual income
≤2800 CNY/year	89	20.9	76	17.9	1.17	0.279
>2800 CNY/year	336	79.1	349	82.1
Family history of diabetes
Yes	36	8.5	13	3.1	10.30	0.001
No	389	91.5	412	96.9
History of hyperglycaemia
Yes	27	6.4	21	4.9	0.57	0.451
No	398	93.6	404	95.1