Table 1 Characteristics of ADEs in older comorbidity patients(N = 329)

Age

 61–90 Y

Use of alcohol

 60–69 Y

141(42.9)

 No

282(85.7)

 70–79 Y

108(32.8)

 Drinking

47 (14.3)

 ≥ 80 Y

80 (24.3)

Smoking

Gender

 No smoker

273(83.0)

 Female

169(51.4)

 Smoker

56(17.0)

 Male

160(48.6)

BMI

Marital status

 ≤18.4

26(7.9)

 Married

218(66.3)

 18.5–23.9

147(44.7)

 Divorced/widowed

111(33.7)

 ≥24

156(47.4)

Educational level

Fall within 1 year

 Primary school or less

158(48.0)

 N

303 (92.1)

 Junior high school

93(28.3)

 Y

26 (7.9)

 High school

35(10.6)

Admission in preceding 3 months

 College or above

43(13.1)

 N

203(61.7)

Living status

 Y

126(38.3)

 With spouse

172(52.3)

ADL

 With daughter/son

64 (19.5)

 No assistance

259(78.7)

 With spouse and daughter/son

46(14.0)

 Assistance with ≥ 1 ADL

70 (21.3)

Frailty

 Alone

42 (12.8)

 No

58(17.6)

 With others

5 (1.5)

 Pre-frailty (1–2)

136(41.3)

Medical payment

 Frailty (≥3)

135(41.0)

 Medical insurance

286(86.9)

Medication compliance

 Self-paying

5(1.5)

 Poor

203(61.7)

 Free

38(11.6)

 Fair

67(20.4)

Pre-retirement occupation

 Good

59(17.9)

 Doctor/nurse

11 (3.3)

Use of TCM

 Teacher

37 (11.2)

 No

104(31.6)

 Worker

85 (25.8)

 Farmer

69(21.0)

 Yes

225(68.4)

 Other

127(38.6)

Types of daily drug

1–17

Family income, CNY

 <5

82(24.9)

 <5000

166(50.5)

 5–10

210(63.8)

 5000–9999

99(30.1)

 >10

37(11.2)

 10,000–14,999

48(14.6)

Numbers of daily drug

1–51

 ≥ 15,000

16(4.9)

 ≤12

162(49.2)

Numbers of chronic conditions

2–11

 >12

167(50.8)

 2–5

299(69,6)

Time interval

 6–9

94(28.6)

 No

200(60.8)

 ≥ 10

6(1.8)

 Yes

129(39.2)