Socioeconomic Factors and Inequality in the Prevalence and Treatment of Diabetes among Middle-Aged and Elderly Adults in China

Table 1

Description of samples.

	Urban areas		Rural areas		Total
		%		%		%
Gender
Male	995	51.80%	3581	45.80%	4576	46.99%
Female	926	48.20%	4237	54.20%	5163	53.01%
Age group (years)
45–55	537	27.95%	2611	33.40%	3148	32.32%
56–65	728	37.90%	3087	39.49%	3815	39.17%
>65	656	34.15%	2120	27.12%	2776	28.50%
Ethnicity
Han	1794	93.39%	7247	92.70%	9041	92.83%
Other ethnic groups	127	6.61%	571	7.30%	698	7.17%
Marital status
Divorced/single/separated	259	13.48%	996	12.74%	1255	12.89%
Married/partnered	1662	86.52%	6822	87.26%	8484	87.11%
Education level
Less than primary school	387	20.15%	4089	52.30%	4476	45.96%
Less than lower secondary	933	48.57%	3280	41.95%	4213	43.26%
Upper secondary, vocational training	601	31.29%	449	5.74%	1050	10.78%
Family size
≤2	801	41.70%	2733	34.96%	3534	36.29%
≥3	1120	58.30%	5085	65.04%	6205	63.71%
Household income per capita ()	17,369	957.04	6611	400.23	11,019	555.23
Type of labour
Farmer	589	30.66%	6324	80.89%	6913	70.98%
Self-employed/employed	975	50.75%	1352	17.29%	2327	23.89%
Government & institutions	357	18.58%	142	1.82%	499	5.12%
Drinking
Never drunk	960	49.97%	4467	57.14%	5427	55.72%
History of drinking	961	50.03%	3351	42.86%	4312	44.28%
Smoking
Never smoked	1095	57.00%	4509	57.67%	5604	57.54%
History of smoking	826	43.00%	3309	42.33%	4135	42.46%
ADL
Without ADL	1779	92.61%	7018	89.77%	8797	90.33%
With any ADL	142	7.39%	800	10.23%	942	9.67%
BMI
≤18.5	801	41.70%	3992	51.06%	4793	49.21%
18.6–24.1	70	3.64%	513	6.56%	583	5.99%
>24.1	1050	54.66%	3313	42.38%	4363	44.80%
Self-reported health ()	3.7315	0.0267	3.9175	0.0201	3.8413	0.0174
Has hypertension
No	1246	64.86%	5581	71.39%	6827	70.10%
Yes	675	35.14%	2237	28.61%	2912	29.90%

Note: calculations were weighted using individual sampling weights and adjusted for household and individual responses.