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Table 1 Partial total, disability-free, and disabled life expectancy in ages 80–89, 90–99, and 100–105 across 10-year birth cohorts, overall and by sex

From: Are China’s oldest-old living longer with less disability? A longitudinal modeling analysis of birth cohorts born 10 years apart

 

Octogenarians (aged 80–89)

Diff

P value

Birth cohort

1909–1918

1919–1928

Overall

 Total

6.38 [6.1–6.59]

6.58 [6.36–6.82]

0.20

0.044

 Disability-free

5.32 [5.01–5.5]

5.47 [5.2–5.72]

0.15

0.110

 ADL disabled

1.06 [0.95–1.24]

1.1 [0.96–1.28]

0.04

0.740

Men

 Total

6.14 [5.8–6.42]

6.22 [5.93–6.49]

0.08

0.566

 Disability-free

5.29 [4.91–5.55]

5.28 [4.93–5.55]

− 0.01

0.950

 ADL disabled

0.86 [0.73–1.03]

0.94 [0.82–1.16]

0.08

0.226

Women

 Total

6.62 [6.27–6.9]

6.94 [6.67–7.26]

0.32

0.012

 Disability-free

5.35 [4.98–5.59]

5.67 [5.38–6.02]

0.32

0.004

 ADL disabled

1.27 [1.1–1.49]

1.27 [1.04–1.47]

0.00

0.592

 

Nonagenarians (aged 90–99)

Diff

P value

Birth cohort

1899–1908

1909–1918

Overall

 Total

3.96 [3.78–4.13]

3.94 [3.81–4.1]

− 0.02

0.932

 Disability-free

2.47 [2.26–2.69]

2.88 [2.75–3.06]

0.41

< 0.001

 ADL disabled

1.49 [1.34–1.64]

1.06 [0.95–1.17]

− 0.43

< 0.001

Men

 Total

3.83 [3.6–4.08]

3.71 [3.55–3.9]

− 0.12

0.310

 Disability-free

2.65 [2.42–2.9]

2.83 [2.71–3.05]

0.18

0.054

 ADL disabled

1.18 [1.03–1.32]

0.88 [0.76–0.99]

− 0.30

< 0.001

Women

 Total

4.07 [3.84–4.27]

4.1 [3.95–4.29]

0.03

0.606

 Disability-free

2.33 [2.11–2.55]

2.91 [2.75–3.1]

0.58

< 0.001

 ADL disabled

1.74 [1.55–1.93]

1.19 [1.06–1.33]

− 0.55

< 0.001

 

Centenarians (aged 100–105)

Diff

P value

Birth cohort

1893–1899

1903–1909

Overall

 Total

1.38 [1.31–1.47]

1.4 [1.31–1.48]

0.02

0.756

 Disability-free

0.65 [0.59–0.72]

0.72 [0.66–0.82]

0.07

0.050

 ADL disabled

0.73 [0.67–0.79]

0.67 [0.59–0.75]

− 0.06

0.088

Men

 Total

1.3 [1.16–1.44]

1.32 [1.18–1.47]

0.02

0.744

 Disability-free

0.76 [0.63–0.88]

0.75 [0.64–0.91]

− 0.01

0.832

 ADL disabled

0.54 [0.46–0.66]

0.56 [0.46–0.66]

0.02

0.872

Women

 Total

1.41 [1.32–1.49]

1.42 [1.32–1.51]

0.01

0.794

 Disability-free

0.63 [0.57–0.7]

0.72 [0.65–0.82]

0.09

0.016

 ADL disabled

0.78 [0.71–0.85]

0.7 [0.62–0.78]

− 0.08

0.052

  1. Data are life expectancy in years unless specified, with the 95% confidence interval in brackets after point estimate. Models adjusted for age, sex (only for overall), education, and urban/rural residence. Abbreviations: Diff difference, ADL activity of daily living