Table 1.

Adherence level based on sociodemographic characteristics

Demographic characteristics	Total (n=1,916)		Adherence (n=1,629)		Nonadherence (n=287)		χ2	P-value
	n	%	n	%	n	%
Age (years)							12.564	0.014a
35–64	249	13.0	203	81.5	46	18.5
65–69	352	18.4	287	81.5	65	18.5
70–74	514	26.8	458	89.1	56	10.9
75–80	518	27.0	439	84.7	79	15.3
>80	283	14.8	242	85.5	41	14.5
Gender							2.829	0.093
Male	762	39.8	635	83.3	127	16.7
Female	1,154	60.2	994	86.1	160	13.9
Race							0.319	0.572
Han	1,874	97.8	1,592	85.0	282	15.0
Others	42	2.2	37	88.1	5	11.9
Residence							4.549	0.033a
Urban	583	30.4	511	87.7	72	12.3
Rural	1,333	69.6	1,118	83.9	215	16.1
Marital status							0.339	0.560
Married	1,520	79.3	1,296	85.3	224	14.7
Others	396	20.7	333	84.1	63	15.9
Educational level							12.004	0.007a
Illiterate	727	37.9	623	85.7	104	14.3
Primary school	632	33.0	539	85.3	93	14.7
Middle school	356	18.6	285	80.1	71	19.9
High school or above	201	10.5	182	90.5	19	9.5
Family members							0.018	0.893
1	245	12.8	209	85.3	36	14.7
>1	1,671	87.2	1,420	85.0	251	15.0
Underprivileged							0.281	0.596
No	1,840	96.0	1,566	85.1	274	14.9
Yes	76	4.0	63	82.9	13	17.1
Annual household income (yuan)							7.799	0.020a
<48,000	606	31.6	499	82.3	107	17.7
48,000–68,399	661	34.5	581	87.9	80	12.1
≥68,400	649	33.9	549	84.6	100	15.4
Employment							4.944	0.084
Unemployed	55	2.9	43	78.2	12	21.8
Employed	85	4.4	67	78.8	18	21.2
Retired	1,776	92.7	1,519	85.5	257	14.5
Outpatient medical reimbursement							11.395	0.001a
No	1,348	70.4	1,122	83.2	226	16.8
Yes	568	29.6	507	89.3	61	10.7

Note:

^aP<0.05.