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. Author manuscript; available in PMC: 2023 May 1.
Published in final edited form as: J Am Geriatr Soc. 2022 Feb 5;70(5):1461–1470. doi: 10.1111/jgs.17682

Table 3.

Sensitivity analysis using different approaches to missing assessment data on dementia status

Pneumonia Hip Fracture Widowhood
Dementia No Dementia Dementia No Dementia Dementia No Dementia
Incidence rate per 1000 person-years
(95% CI)
Incidence rate per 1000 person-years
(95% CI)
Incidence Rate Ratio
(95% CI)
Incidence rate per 1000 person-years
(95% CI)
Incidence rate per 1000 person-years
(95% CI)
Incidence Rate Ratio
(95% CI)
Incidence rate per 1000 person-years
(95% CI)
Incidence rate per 1000 person-years
(95% CI)
Incidence Rate Ratio
(95% CI)
Last dementia status carried forward 114.5
(95.4, 133.6)
65.2
(57.4, 72.9)
1.76
(1.48, 2.09)
12.4
(9.2, 15.7)
8.0
(7.0, 9.1)
1.6
(1.1, 2.2)
25.6
(20.4, 30.8)
21.2
(19.6, 22.7)
1.2
(1.0, 1.5)
Change all missing to dementia 109.1
(92.8, 125.4)
63.4
(55.9, 71.0)
1.72
(1.49, 1.99)
10.9
(8.5, 13.3)
8.2
(7.0, 9.3)
1.3
(1.0, 1.8)
18.5
(15.1, 22.0)
22.2
(20.6, 23.9)
0.8
(0.7, 1.0)
Change all missing to no dementia 114.7
(95.6, 133.8)
65.2
(57.4, 72.9)
1.76
(1.48, 2.09)
12.5
(9.2, 15.7)
8.0
(7.0, 9.1)
1.6
(1.1, 2.2)
25.7
(20.5, 31.0)
21.2
(19.6, 22.7)
1.2
(1.0, 1.5)

Notes. Data source: Health and Retirement Study, 2010–2018. All analyses age-adjusted and weighted to account for complex survey design. Abbreviations: CI=confidence interval