Table 2.

Differences in characteristics of participants between infrequent and frequent visitors

Characteristics	Total (n = 1508)	Frequent visitor n = 825	Infrequent visitor n = 683	P value
Urban/rural, n (%)				0.001
Urban	748 (49.6)	378 (45.8)	370 (54.2)
Rural	760 (50.4)	447 (54.2)	313 (45.8)
Gender, n (%)				0.493
Male	605 (40.1)	324 (39.3)	281 (41.1)
Female	903 (59.9)	501 (60.7)	402 (58.9)
Age, n (%)
Mean age, M (SD)	64.4 ± 10.6	64.3 ± 10.3	64.2 ± 10.9	0.873
≤ 55 yr	266 (17.6)	134 (16.2)	132 (19.3)	0.175
56-65 yr	534 (35.4)	305 (37.0)	229 (33.5)
≥ 66 yr	708 (46.9)	386 (46.8)	322 (47.1)
Years since diagnosis of diabetes ≥10 yr., n (%)	436 (28.9)	236 (28.6)	200 (29.3)	0.776
Family history of coronary disease, n (%)	184 (12.2)	110 (13.3)	74 (10.8)	0.198
Medical history, n (%)
Hyperlipidemia	556 (36.9)	309 (37.5)	247 (36.2)	0.592
Hypertension	822 (54.5)	479 (58.1)	343 (50.2)	0.002
Myocardial infarction	27 (1.8)	17 (2.1)	10 (1.5)	0.439
Stenting	10 (0.7)	5 (0.6)	5 (0.7)	0.763
CABG	10 (0.7)	4 (0.5)	6 (0.9)	0.363
Stroke	108 (7.2)	64 (7.8)	42 (6.4)
Educational level, n (%)				0.336
Intermediate school or lower	1264 (83.8)	699 (84.7)	565 (82.7)
High school	179 (11.9)	96 (11.6)	83 (12.2)
≥ College graduate	65 (4.4)	30 (3.7)	35 (5.1)
Per capita household income (yuan), n (%)				0.011
< 5000	434 (28.8)	223 (27)	211 (30.9)
5000~19,999	632 (41.9)	349 (42.3)	283 (41.4)
≥ 20,000	394 (26.1)	238 (28.8)	156 (22.8)
Refused to answer	48 (3.2)	15 (1.8)	33 (4.8)
Lack Health insurance in the past 12 months, n (%)	21 (1.4)	3 (0.36)	18 (2.6)	< 0.001
Health care service
Household visit	467 (31.0)	354 (42.9)	113 (16.5)	< 0.001
Telephone follow-up	739 (49.0)	472 (57.2)	267 (39.1)	< 0.001