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Do Subjective Memory Complaints Pred...

Lee, Chang Dae.

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Do Subjective Memory Complaints Predict Cognitive Impairment and Instrumental Activities of Daily Living Limitations in the Oldest-Old?

Record Type:	Electronic resources : Monograph/item
Title/Author:	Do Subjective Memory Complaints Predict Cognitive Impairment and Instrumental Activities of Daily Living Limitations in the Oldest-Old?/
Author:	Lee, Chang Dae.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
Description:	115 p.
Notes:	Source: Dissertations Abstracts International, Volume: 82-12, Section: B.
Contained By:	Dissertations Abstracts International82-12B.
Subject:	Occupational therapy. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28416195
ISBN:	9798505545928

Do Subjective Memory Complaints Predict Cognitive Impairment and Instrumental Activities of Daily Living Limitations in the Oldest-Old?
Lee, Chang Dae.

Do Subjective Memory Complaints Predict Cognitive Impairment and Instrumental Activities of Daily Living Limitations in the Oldest-Old? - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 115 p.

Source: Dissertations Abstracts International, Volume: 82-12, Section: B.

Thesis (Ph.D.)--New York University, 2021.

This item must not be sold to any third party vendors.

This dissertation consists of three studies designed to identify the relationships between subjective memory complaints (SMCs), depressive symptoms, cognitive impairment, and self-reported limitations in instrumental activities of daily living (IADLs) in the oldest-old. Study 1 was a preliminary cross-sectional study that examined the association between SMCs with cognitive impairment and self-reported limitations in IADL performance after controlling for depressive symptoms. The study sample was 42 community-dwelling oldest-old (80+) living in the New York metropolitan area. Data was analyzed using multiple linear regression analysis. The mean age of the participants was 85.19 (SD=4.30) and 24 (57.14%) were female. The results showed that SMCs were not associated with cognitive impairment (p>.05) but were associated with self-reported limitation in IADL performance (p<.05). Study 2 was conducted to validate the findings of Study 1 using a representative sample in the United States (US; N=1,621) from the Health and Retirement Study (HRS). In addition, Study 2 examined the role of depressive symptoms in the associations of SMCs to cognitive impairment and self-reported limitations in IADL performance. Structural equation modeling was used for analysis. The mean age of the participants was 84.12 (SD=3.70) and 921 (56.82%) were female. The results demonstrated that, contrary to Study1, SMCs were associated with cognitive impairment (p<.001) and that, similar to Study 1, SMCs were associated with self-reported limitations in IADL performance (p<.01). Study 2 also found that depressive symptoms mediated the association between SMCs and cognitive impairment and between SMCs and self-reported limitations in IADL performance.Study 3 examined the longitudinal relationship of SMCs with cognitive impairment and self-reported limitations in IADL performance over the course of eight years in a sample of 331 of the oldest-old from the HRS using repeated-measures analysis of variance. The mean age of the sample was 82.56 (SD=2.45) years and 54 (16.77%) respondents reported SMCs and 180 (55.90%) respondents were female. The results showed that SMCs did not predict cognitive decline or self-reported limitations in IADL performance over the eight years. In conclusion, SMCs have been suggested as an early indicator of cognitive impairment across different age groups; however, based on the findings of these three studies, SMCs are not recommended to be used as an early indicator of cognitive impairment and IADL limitations in the oldest-old.

ISBN: 9798505545928Subjects--Topical Terms:

617818
Occupational therapy.
Subjects--Index Terms:

Depressive symptoms

Do Subjective Memory Complaints Predict Cognitive Impairment and Instrumental Activities of Daily Living Limitations in the Oldest-Old?
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500 $a Source: Dissertations Abstracts International, Volume: 82-12, Section: B.
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520 $a This dissertation consists of three studies designed to identify the relationships between subjective memory complaints (SMCs), depressive symptoms, cognitive impairment, and self-reported limitations in instrumental activities of daily living (IADLs) in the oldest-old. Study 1 was a preliminary cross-sectional study that examined the association between SMCs with cognitive impairment and self-reported limitations in IADL performance after controlling for depressive symptoms. The study sample was 42 community-dwelling oldest-old (80+) living in the New York metropolitan area. Data was analyzed using multiple linear regression analysis. The mean age of the participants was 85.19 (SD=4.30) and 24 (57.14%) were female. The results showed that SMCs were not associated with cognitive impairment (p>.05) but were associated with self-reported limitation in IADL performance (p<.05). Study 2 was conducted to validate the findings of Study 1 using a representative sample in the United States (US; N=1,621) from the Health and Retirement Study (HRS). In addition, Study 2 examined the role of depressive symptoms in the associations of SMCs to cognitive impairment and self-reported limitations in IADL performance. Structural equation modeling was used for analysis. The mean age of the participants was 84.12 (SD=3.70) and 921 (56.82%) were female. The results demonstrated that, contrary to Study1, SMCs were associated with cognitive impairment (p<.001) and that, similar to Study 1, SMCs were associated with self-reported limitations in IADL performance (p<.01). Study 2 also found that depressive symptoms mediated the association between SMCs and cognitive impairment and between SMCs and self-reported limitations in IADL performance.Study 3 examined the longitudinal relationship of SMCs with cognitive impairment and self-reported limitations in IADL performance over the course of eight years in a sample of 331 of the oldest-old from the HRS using repeated-measures analysis of variance. The mean age of the sample was 82.56 (SD=2.45) years and 54 (16.77%) respondents reported SMCs and 180 (55.90%) respondents were female. The results showed that SMCs did not predict cognitive decline or self-reported limitations in IADL performance over the eight years. In conclusion, SMCs have been suggested as an early indicator of cognitive impairment across different age groups; however, based on the findings of these three studies, SMCs are not recommended to be used as an early indicator of cognitive impairment and IADL limitations in the oldest-old.
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