Table 4 Age, chronic disease and the odds ratio of ADL and IADL

ADL

Model 1

Model 2

Model 3

OR(95%CI)

p for trend

OR(95%CI)

p for trend

OR(95%CI)

p for trend

Age

 < 0.001

 < 0.001

 < 0.001

 65–74 years (Ref)

 75–84 years

2.22(1.71–3.212.91)

2.03(1.55–2.66)

2.02(1.54,2.65)

 85–94 years

9.70(7.67–12.43)

8.29(6.51–10.69)

8.34(6.53,10.78)

 95–105 years

36.23(28.39–46.80)

28.19(21.86–36.77)

28.39(21.91,37.21)

Chronic disease

 < 0.001

 < 0.001

 < 0.001

 0 (Ref)

 1

1.16(0.99–1.35)

1.18(1.01–1.38)

1.18(1.01,1.39)

 2

1.90(1.59–2.27)

1.88(1.56–2.26)

1.87(1.55,2.26)

 3

2.94(2.35–3.68)

2.84(2.26–3.59)

2.84(2.24,3.59)

  ≥ 4

3.05(2.40–3.87)

2.91(2.27–3.71)

2.87(2.23,3.68)

IADL

Model 1

Model 2

Model 3

OR(95%CI)

p for trend

OR(95%CI)

p for trend

OR(95%CI)

p for trend

Age

 < 0.001

 < 0.001

 < 0.001

 65–74 years (Ref)

 75–84 years

3.76(3.33–4.23)

3.51(3.09–3.99)

3.51(3.08–4.00)

 85–94 years

16.72(14.51–19.29

14.89(12.79–17.38)

14.84(12.71–17.36)

 95–105 years

76.12(59.00–99.75)

53.44(41.02–70.65)

53.25(40.73–70.64)

Chronic disease

 < 0.001

 < 0.001

 < 0.001

 0 (Ref)

 1

1.25(1.11–1.42)

1.31(1.15–1.50)

1.32(1.15–1.51)

 2

1.76(1.52–2.05)

1.78(1.52–2.09)

1.77(1.51–2.09)

 3

2.54(2.09–3.10)

2.59(2.11–3.19)

2.55(2.07–3.14)

  ≥ 4

2.34(1.92–2.87)

2.41(1.95–2.99)

2.45(1.97–3.04)