Peer-reviewed articles, book chapters, encyclopedia entries, and research reports.
My publications examine social relationships, health, aging, caregiving, and social participation using longitudinal and comparative approaches. The list below is organized by year; use the search box to filter by topic, author, venue, or year.
2026
GGI
Associating Multimorbidity Patterns with Healthcare Utilization and Unmet Healthcare Needs among Older Koreans Living Alone
@article{yun2026multimorbidity,title={Associating Multimorbidity Patterns with Healthcare Utilization and Unmet Healthcare Needs among Older Koreans Living Alone},author={Yun, Hyunok and Son, Bugyeong and Sung, Pildoo},journal={Geriatrics & Gerontology International},volume={26},number={7},pages={e70663},year={2026},doi={10.1111/ggi.70663},}
JHP
Lonely by Comparison: Understanding Loneliness Through Network Alter Status, Ego Status, and Regional Status
@article{sung2026lonelycomparison,title={Lonely by Comparison: Understanding Loneliness Through Network Alter Status, Ego Status, and Regional Status},author={Sung, Pildoo and Sung, Wookje and Kim, Harris Hyun-Soo},journal={Journal of Health Psychology},year={2026},note={Online first},doi={10.1177/13591053261469755},}
GGI
Exploring Loneliness in Family Caregiver–Care Recipient Dyads: Implications for Caregiver Burden
@article{sung2026dyads,title={Exploring Loneliness in Family Caregiver--Care Recipient Dyads: Implications for Caregiver Burden},author={Sung, Pildoo and Chan, Angelique},journal={Geriatrics & Gerontology International},volume={26},number={5},pages={e70499},year={2026},doi={10.1111/ggi.70499},}
JDR
Oral Health-Related Quality of Life and Social Engagement: Gender Differences
Pildoo Sung, Yanan Zhang, Miseon Kang, and 1 more author
@article{sung2026oral,title={Oral Health-Related Quality of Life and Social Engagement: Gender Differences},author={Sung, Pildoo and Zhang, Yanan and Kang, Miseon and Kang, Sou Hwan},journal={Journal of Dental Research},year={2026},note={Online first},doi={10.1177/00220345261438375},}
JASP
Who Keeps on Learning? Understanding Heterogeneity in Resource Profiles of Older Learners to Promote Recurrent Engagement in Learning
Pildoo Sung, Ad Maulod, Angelique Chan, and 1 more author
@article{sung2026learning,title={Who Keeps on Learning? Understanding Heterogeneity in Resource Profiles of Older Learners to Promote Recurrent Engagement in Learning},author={Sung, Pildoo and Maulod, Ad and Chan, Angelique and Malhotra, Rahul},journal={Journal of Aging & Social Policy},year={2026},note={Accepted},}
PSP
Stability and Changes in Social Network Profiles After Widowhood and Their Implications for Depressive Symptoms Among Older Adults in South Korea
@article{sung2026widowhood,title={Stability and Changes in Social Network Profiles After Widowhood and Their Implications for Depressive Symptoms Among Older Adults in South Korea},author={Sung, Pildoo and Lim-Soh, Jeremy},journal={Population, Space and Place},volume={32},number={2},pages={e70231},year={2026},doi={10.1002/psp.70231},}
Soc. Networks
Getting Lonely and Isolated? Transitions in Social Isolation Profiles Over Time and Factors Associated with Them Among Older Adults
Pildoo Sung, Angelique Chan, Abhijit Visaria, and 1 more author
@article{sung2026isolation,title={Getting Lonely and Isolated? Transitions in Social Isolation Profiles Over Time and Factors Associated with Them Among Older Adults},author={Sung, Pildoo and Chan, Angelique and Visaria, Abhijit and Lee, June May-Ling},journal={Social Networks},volume={85},pages={98--107},year={2026},doi={10.1016/j.socnet.2025.12.005},}
JAH
Functional Limitations and Depressive Symptoms among Older Adults in Korea: Gender Differences in the Moderating Roles of Relationship Satisfaction with Family, Friends, and Neighbors
@article{choi2026functional,title={Functional Limitations and Depressive Symptoms among Older Adults in Korea: Gender Differences in the Moderating Roles of Relationship Satisfaction with Family, Friends, and Neighbors},author={Choi, Ji-Young and Sung, Pildoo},journal={Journal of Aging and Health},volume={38},number={1-2},pages={31--41},year={2026},doi={10.1177/08982643241304884},}
2025
IJGP
Stress, Social Isolation Profiles, and Depressive Symptoms Among Older Adults in a Low-Income Community in Singapore
Pildoo Sung, Vanessa Jean Wen Koh, and Angelique Chan
International Journal of Geriatric Psychiatry, 2025
@article{sung2025stress,title={Stress, Social Isolation Profiles, and Depressive Symptoms Among Older Adults in a Low-Income Community in Singapore},author={Sung, Pildoo and Koh, Vanessa Jean Wen and Chan, Angelique},journal={International Journal of Geriatric Psychiatry},volume={40},number={12},pages={e70183},year={2025},doi={10.1002/gps.70183},}
IJGP
The Mediating Role of Formal Social Engagement in the Relationship Between Oral Health and Depressive Symptoms Among Older Adults in South Korea
Pildoo Sung, Yanan Zhang, and Ji-Young Choi
International Journal of Geriatric Psychiatry, 2025
@article{sung2025oralmediation,title={The Mediating Role of Formal Social Engagement in the Relationship Between Oral Health and Depressive Symptoms Among Older Adults in South Korea},author={Sung, Pildoo and Zhang, Yanan and Choi, Ji-Young},journal={International Journal of Geriatric Psychiatry},volume={40},number={5},pages={e70085},year={2025},doi={10.1002/gps.70085},}
J. Gerontol. B
Sharing in Caring: Family Caregiving Task-Sharing Patterns for Older Adults in Singapore
Jeremy Lim-Soh, Pildoo Sung, Ha-Linh Quach, and 1 more author
The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, 2025
@article{limsoh2025sharing,title={Sharing in Caring: Family Caregiving Task-Sharing Patterns for Older Adults in Singapore},author={Lim-Soh, Jeremy and Sung, Pildoo and Quach, Ha-Linh and Malhotra, Rahul},journal={The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences},volume={80},number={1},pages={gbae186},year={2025},doi={10.1093/geronb/gbae186},}
JAH
Stress and Loneliness among Family Caregivers of Older Persons with Cognitive Impairment: The Mediating Role of Social Isolation and the Moderating Role of Personal Mastery
Pildoo Sung, Jeremy Lim-Soh, June May-Ling Lee, and 1 more author
@article{sung2025stressloneliness,title={Stress and Loneliness among Family Caregivers of Older Persons with Cognitive Impairment: The Mediating Role of Social Isolation and the Moderating Role of Personal Mastery},author={Sung, Pildoo and Lim-Soh, Jeremy and Lee, June May-Ling and Chan, Angelique},journal={Journal of Aging and Health},volume={37},number={7-8},pages={417--426},year={2025},doi={10.1177/08982643241262374},}
Book Ch.
Urban-rural Disparities in Social Network Profiles among Older Koreans at the Early Stage of the Pandemic
@incollection{sung2025urbanrural,title={Urban-rural Disparities in Social Network Profiles among Older Koreans at the Early Stage of the Pandemic},author={Sung, Pildoo},booktitle={Social Connection in Everyday Spaces},pages={102--117},publisher={Bristol University Press},year={2025},doi={10.51952/9781529246735.ch007},}
Book Ch.
The Latent Classes of the Volunteer Satisfaction Index and Donation during the Pandemic in Singapore
Joonmo Son, Pildoo Sung, and Benjamin Tay
In Well-being During the Pandemic: Comparative Perspectives from the Global North and the Global South, 2025
@incollection{son2024volunteer,title={The Latent Classes of the Volunteer Satisfaction Index and Donation during the Pandemic in Singapore},author={Son, Joonmo and Sung, Pildoo and Tay, Benjamin},booktitle={Well-being During the Pandemic: Comparative Perspectives from the Global North and the Global South},pages={193--209},publisher={Springer Nature Switzerland},year={2025},doi={10.1007/978-3-031-63440-6_9},}
2024
Gerontology
A Reciprocal Relationship between Formal and Informal Social Engagement and Handgrip Strength of Older Adults in South Korea
@article{son2024grip,title={A Reciprocal Relationship between Formal and Informal Social Engagement and Handgrip Strength of Older Adults in South Korea},author={Son, Joonmo and Sung, Pildoo},journal={Gerontology},volume={70},number={10},pages={1088--1102},year={2024},doi={10.1159/000540344},}
Int. Sociol.
The Relationship among Generalized Trust, Social Networks, and Social Resources across 30 Countries
@article{son2024trust,title={The Relationship among Generalized Trust, Social Networks, and Social Resources across 30 Countries},author={Son, Joonmo and Sung, Pildoo},journal={International Sociology},volume={39},number={4},pages={375--398},year={2024},doi={10.1177/02685809241251770},}
JASP
Informal Caregiver Social Network Types and Mental Health: The Mediating Role of Psychological Resilience
@article{sung2024resilience,title={Informal Caregiver Social Network Types and Mental Health: The Mediating Role of Psychological Resilience},author={Sung, Pildoo and Lim-Soh, Jeremy and Malhotra, Rahul},journal={Journal of Aging & Social Policy},volume={36},number={4},pages={693--708},year={2024},doi={10.1080/08959420.2024.2319535},}
AHR
Trajectories of Adherence to a Falls Prevention Exercise Intervention in Singapore: A Mixed Methods Study
June May-Ling Lee, Pildoo Sung, Kok Yang Tan, and 4 more authors
@article{lee2024falls,title={Trajectories of Adherence to a Falls Prevention Exercise Intervention in Singapore: A Mixed Methods Study},author={Lee, June May-Ling and Sung, Pildoo and Tan, Kok Yang and Duncan, Pamela and Sim, Rita and Koh, Karen and Chan, Angelique},journal={Aging and Health Research},volume={4},number={1},pages={100181},year={2024},doi={10.1016/j.ahr.2024.100181},}
Dement. Geriatr.
Feeling Alone Together: Loneliness in Older Adults with Cognitive Impairment and Their Family Caregivers with Low Mastery
@article{sung2024feeling,title={Feeling Alone Together: Loneliness in Older Adults with Cognitive Impairment and Their Family Caregivers with Low Mastery},author={Sung, Pildoo and Chan, Angelique and Lim-Soh, Jeremy},journal={Dementia and Geriatric Cognitive Disorders},volume={53},number={2},pages={66--73},year={2024},doi={10.1159/000536644},}
JAH
Engagement in Physical Activity and Quality of Life Among Informal Caregivers of Older Adults
@article{aazman2024physical,title={Engagement in Physical Activity and Quality of Life Among Informal Caregivers of Older Adults},author={A'Azman, Shamirah and Sung, Pildoo and Malhotra, Rahul},journal={Journal of Aging and Health},volume={36},number={10},pages={667--677},year={2024},doi={10.1177/08982643231209086},}
2023
RSAP
Older Adult Patient Preferences for the Content and Format of Prescription Medication Labels – A Best-worst Scaling and Discrete Choice Experiment Study
Rahul Malhotra, Sumithra Devi Suppiah, Yi Wen Tan, and 8 more authors
Research in Social and Administrative Pharmacy, 2023
@article{malhotra2023labels,title={Older Adult Patient Preferences for the Content and Format of Prescription Medication Labels -- A Best-worst Scaling and Discrete Choice Experiment Study},author={Malhotra, Rahul and Suppiah, Sumithra Devi and Tan, Yi Wen and Sung, Pildoo and Tay, Sarah Siew Cheng and Tan, Ngiap Chuan and Koh, Gerald Choon-Huat and Chan, Alexandre and Chew, Lita Sui Tjien and Ozdemir, Semra and {PROMISE Study Group}},journal={Research in Social and Administrative Pharmacy},volume={19},number={11},pages={1455--1464},year={2023},doi={10.1016/j.sapharm.2023.07.009},}
Dement. Geriatr.
Health Profiles among Community-Dwelling Older Adults with Cognitive Impairment and Their Implications for Caregiving Experience
@article{sung2023healthprofiles,title={Health Profiles among Community-Dwelling Older Adults with Cognitive Impairment and Their Implications for Caregiving Experience},author={Sung, Pildoo and Lim-Soh, Jeremy and Chan, Angelique},journal={Dementia and Geriatric Cognitive Disorders},volume={52},number={3},pages={169--176},year={2023},doi={10.1159/000530606},}
J. Gerontol. B
Reciprocal Relationship Between Lifelong Learning and Volunteering Among Older Adults
Pildoo Sung, Arthur Chia, Angelique Chan, and 1 more author
The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, 2023
@article{sung2023learningvolunteering,title={Reciprocal Relationship Between Lifelong Learning and Volunteering Among Older Adults},author={Sung, Pildoo and Chia, Arthur and Chan, Angelique and Malhotra, Rahul},journal={The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences},volume={78},number={5},pages={902--912},year={2023},doi={10.1093/geronb/gbad003},}
JAH
Lonely in a Crowd: Social Isolation Profiles and Caregiver Burden Among Family Caregivers of Community-dwelling Older Adults with Cognitive Impairment
Pildoo Sung, June May-Ling Lee, and Angelique Chan
@article{sung2023lonelycrowd,title={Lonely in a Crowd: Social Isolation Profiles and Caregiver Burden Among Family Caregivers of Community-dwelling Older Adults with Cognitive Impairment},author={Sung, Pildoo and Lee, June May-Ling and Chan, Angelique},journal={Journal of Aging and Health},volume={35},number={5-6},pages={419--429},year={2023},doi={10.1177/08982643221137939},}
J. Appl. Gerontol.
The Reciprocal Relationship Between Social Engagement and Cognitive Function Among Older Adults in South Korea
@article{son2023cognitive,title={The Reciprocal Relationship Between Social Engagement and Cognitive Function Among Older Adults in South Korea},author={Son, Joonmo and Sung, Pildoo},journal={Journal of Applied Gerontology},volume={42},number={5},pages={928--941},year={2023},doi={10.1177/07334648221148953},}
Aging Ment. Health
Does a Reciprocal Relationship Exist between Social Engagement and Depression in Later Life?
@article{son2023depression,title={Does a Reciprocal Relationship Exist between Social Engagement and Depression in Later Life?},author={Son, Joonmo and Sung, Pildoo},journal={Aging & Mental Health},volume={27},number={1},pages={70--80},year={2023},doi={10.1080/13607863.2021.2024794},}
2022
ADAD
Met and Unmet Needs of Older Adults with Cognitive Impairment, and Burden and Benefits of Their Family Caregivers
Pildoo Sung, Nawal Hashim, Rahul Malhotra, and 1 more author
@article{sung2022needs,title={Met and Unmet Needs of Older Adults with Cognitive Impairment, and Burden and Benefits of Their Family Caregivers},author={Sung, Pildoo and Hashim, Nawal and Malhotra, Rahul and Chan, Angelique},journal={Alzheimer Disease & Associated Disorders},volume={36},number={4},pages={300--306},year={2022},doi={10.1097/WAD.0000000000000529},}
Dement. Geriatr.
Care Needs Profiles and Their Association with Caregiver Strain among Community-Dwelling Older Adults with Cognitive Impairment
@article{sung2022careneeds,title={Care Needs Profiles and Their Association with Caregiver Strain among Community-Dwelling Older Adults with Cognitive Impairment},author={Sung, Pildoo and Chan, Angelique Wei-Ming},journal={Dementia and Geriatric Cognitive Disorders},volume={51},number={4},pages={340--347},year={2022},doi={10.1159/000525999},}
J. Gerontol. B
The Negative Impact of Adult Children’s Marital Dissolution on Older Parents’ Mental Health in South Korea
Pei-Chun Ko and Pildoo Sung
The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, 2022
@article{ko2022divorce,title={The Negative Impact of Adult Children's Marital Dissolution on Older Parents' Mental Health in South Korea},author={Ko, Pei-Chun and Sung, Pildoo},journal={The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences},volume={77},number={9},pages={1721--1731},year={2022},doi={10.1093/geronb/gbac056},}
Soc. Sci. Med.
Transitions between Social Network Profiles and Their Relation with All-cause Mortality among Older Adults
Grand H.-L. Cheng, Pildoo Sung, Angelique Chan, and 2 more authors
@article{cheng2022mortality,title={Transitions between Social Network Profiles and Their Relation with All-cause Mortality among Older Adults},author={Cheng, Grand H.-L. and Sung, Pildoo and Chan, Angelique and Ma, Stefan and Malhotra, Rahul},journal={Social Science & Medicine},volume={292},pages={114617},year={2022},doi={10.1016/j.socscimed.2021.114617},}
Gerontology
Transitions in Social Network Types over Time among Older Adults
Pildoo Sung, Rahul Malhotra, Grand H.-L. Cheng, and 1 more author
@article{sung2022transitions,title={Transitions in Social Network Types over Time among Older Adults},author={Sung, Pildoo and Malhotra, Rahul and Cheng, Grand H.-L. and Chan, Angelique Wei-Ming},journal={Gerontology},volume={68},number={7},pages={817--828},year={2022},doi={10.1159/000521213},}
JAH
Types of Caregiving Experience and Their Association with Caregiver Depressive Symptoms and Quality of Life
Pildoo Sung, Veronica Shimin Goh, Nur Diyana Azman, and 2 more authors
@article{sung2022caregiving,title={Types of Caregiving Experience and Their Association with Caregiver Depressive Symptoms and Quality of Life},author={Sung, Pildoo and Goh, Veronica Shimin and Azman, Nur Diyana and Visaria, Abhijit and Malhotra, Rahul},journal={Journal of Aging and Health},volume={34},number={4-5},pages={591--601},year={2022},doi={10.1177/08982643211051568},}
Report
Met and Unmet Needs of Community-dwelling Older Singaporeans with Cognitive Impairment
@techreport{sung2022report,title={Met and Unmet Needs of Community-dwelling Older Singaporeans with Cognitive Impairment},author={Sung, Pildoo and Hashim, N. and Chan, A.},institution={Centre for Ageing Research and Education, Research Brief Series 13},year={2022},}
2021
Encyc.
Buffering Function
Pildoo Sung
In Encyclopedia of Gerontology and Population Aging, 2021
@incollection{sung2021buffering,title={Buffering Function},author={Sung, Pildoo},booktitle={Encyclopedia of Gerontology and Population Aging},pages={717--720},publisher={Springer International},year={2021},doi={10.1007/978-3-030-22009-9_506},}
2020
IJCS
In-Group Trust and Self-Rated Health in East Asia Using Quadri-National Survey Data
Pildoo Sung and Joonmo Son
International Journal of Comparative Sociology, 2020
@article{sung2020trust,title={In-Group Trust and Self-Rated Health in East Asia Using Quadri-National Survey Data},author={Sung, Pildoo and Son, Joonmo},journal={International Journal of Comparative Sociology},volume={61},number={1},pages={27--58},year={2020},doi={10.1177/0020715220937752},}
Report
Transitions in Health, Employment, Social Engagement and Intergenerational Transfers in Singapore Study (THE SIGNS Study) – II: Cross-Sectional and Longitudinal Analyses of Key Aspects of Successful Ageing
A. Chan, R. Malhotra, A. Visaria, and 3 more authors
@techreport{chan2020signs,title={Transitions in Health, Employment, Social Engagement and Intergenerational Transfers in Singapore Study (THE SIGNS Study) -- II: Cross-Sectional and Longitudinal Analyses of Key Aspects of Successful Ageing},author={Chan, A. and Malhotra, R. and Visaria, A. and Sung, Pildoo and Ching, B. J. S. S. and Wen, T. Y.},institution={Centre for Ageing Research and Education},year={2020},}