Table 1 Overall socioeconomic status and health status of subjects by means of transportation

Decline in IADL in 2016 (<5 points)*

yes

945(11.46)

712(11.34)

215(11.53)

Decline in IADL in 2019 (<5 points)*

yes

999(12.12)

727(11.58)

255(13.67)

Gender

Female

4,422(53.63)

2,814(44.81)

1,558(83.54)

Age,yr

65–69

2,688(32.6)

2,156(34.33)

504(27.02)

70–74

2,425(29.41)

1,871(29.79)

528(28.31)

75–79

1,902(23.07)

1,430(22.77)

451(24.18)

80–84

927(11.24)

649(10.33)

262(14.05)

≧ 85

303(3.67)

174(2.77)

120(6.43)

Family structure

Married couple living together (spouse 65 years or older)

977(11.85)

786(12.52)

189(10.13)

Married couple living together (spouse under 65 years old)

3,526(42.77)

2,650(42.2)

865(46.38)

Two households with son or daughter

477(5.79)

420(6.69)

56(3)

living alone

1,591(19.3)

1,198(19.08)

384(20.59)

Other

1,474(17.88)

1,127(17.95)

340(18.23)

Subjective economic poverty

Very leeway

457(5.54)

335(5.33)

116(6.22)

Leeway

1,737(21.07)

1,341(21.35)

387(20.75)

Normal

5,286(64.11)

4,054(64.55)

1216(65.2)

Slightly hard

551(6.68)

446(7.1)

104(5.58)

Very hard

78(0.95)

58(0.92)

20(1.07)

BMI

< 18.5

5,900(71.56)

4,586(73.03)

1,295(69.44)

≥ 18.5-<25

830(10.07)

526(8.38)

229(12.28)

≥ 25-<30

1,386(16.81)

1,080(17.2)

302(16.19)

≥ 30-<50

129(1.56)

88(1.4)

39(2.09)

Smoking

None

664(8.05)

589(9.38)

68(3.65)

Past

95(1.15)

75(1.19)

19(1.02)

Sometime

2,391(29)

2,143(34.12)

219(11.74)

Every day

4,965(60.22)

3,390(53.98)

1,528(81.93)

Cognitive decline

Yes

4,773(57.89)

3,700(58.92)

1,015(54.42)

Number of chronic diseases

0

327(3.97)

238(3.79)

72(3.86)

1

4,327(52.48)

3,413(54.35)

869(46.6)

2

2,008(24.35)

1,530(24.36)

459(24.61)

3+

1,583(19.2)

1,099(17.5)

465(24.93)