AARP (2020). Caregiving in the U.S. 2020: A Focused Look at Family Caregivers of Adults Age 50+. AARP. https://www.caregiving.org/wp-content/uploads/2021/05/AARP1340_RR_Caregiving50Plus_508.pdf.
Google Scholar Altieri, M., Santangelo, G. (2021). The psychological impact of COVID-19 pandemic and lockdown on caregivers of people with dementia. The American Journal of Geriatric Psychiatry, 29(1), 27-34. https://doi.org/10.1016/j.jagp.2020.10.009.
Google Scholar | Crossref | Medline Arechar, AA, Rand, DG (2021). Turking in the time of COVID. Behavior Research Methods, 2021, 1–5. https://doi.org/10.3758/s13428-021-01588-4.
Google Scholar Beach, S. R., Schulz, R., Donovan, H., Rosland, A.-M. (2021). Family caregiving during the COVID-19 Pandemic. The Gerontologist, 61(5), 650–660.
Google Scholar | Crossref | Medline Berinsky, A. J., Huber, G. A., Lenz, G. S. (2012). Evaluating online labor markets for experimental research: amazon.com’s mechanical turk. Political Analysis, 20(3), 351–368.
Google Scholar | Crossref | ISI Budnick, A., Hering, C., Eggert, S., Teubner, C., Suhr, R., Kuhlmey, A., Gellert, P. (2021). Informal caregivers during the COVID-19 pandemic perceive additional burden: Findings from an ad-hoc survey in Germany. BMC Health Services Research, 21(1), 353. https://doi.org/10.1186/s12913-021-06359-7.
Google Scholar | Crossref | Medline Carcavilla, N., Pozo, A. S., González, B., Moral-Cuesta, D., Roldán, J. J., Erice, V., Remírez, A. d. G. (2021). Needs of dementia family caregivers in Spain during the COVID-19 pandemic. Journal of Alzheimer’s Disease, 80, 533-537. https://doi.org/10.3233/JAD-201430.
Google Scholar | Crossref | Medline Carlozzi, N. E., Ianni, P. A., Tulsky, D. S., Brickell, T. A., Lange, R. T., French, L. M., Cella, D., Kallen, M. A., Miner, J. A., Kratz, A. L. (2019). Understanding health-related quality of life in caregivers of civilians and service members/veterans with traumatic brain injury: Establishing the reliability and validity of PROMIS fatigue and sleep disturbance item banks. Archives of Physical Medicine and Rehabilitation, 100(4), S102-S109. https://doi.org/10.1016/j.apmr.2018.05.020.
Google Scholar | Crossref | Medline Casagrande, M., Favieri, F., Tambelli, R., Forte, G. (2020). The enemy who sealed the world: effects quarantine due to the COVID-19 on sleep quality, anxiety, and psychological distress in the Italian population. Sleep Medicine, 75, 12-20. https://doi.org/10.1016/j.sleep.2020.05.01.
Google Scholar | Crossref | Medline Chaput, J.-P., Després, J.-P., Bouchard, C., Tremblay, A. (2007). Association of sleep duration with type 2 diabetes and impaired glucose tolerance. Diabetologia, 50(11), 2298-2304. https://doi.org/10.1007/s00125-007-0786-x.
Google Scholar | Crossref | Medline Chari, A. V., Engberg, J., Ray, K. N., Mehrotra, A. (2015). The opportunity costs of informal elder-care in the United States: new estimates from the American time use survey. Health Services Research, 50(3), 871-882. https://doi.org/10.1111/1475-6773.12238.
Google Scholar | Crossref | Medline | ISI Cohen, S. A., Ahmed, N., Brown, M. J., Meucci, M. R., Greaney, M. L. (2021). Rural‐urban differences in informal caregiving and health‐related quality of life. The Journal of Rural Health. Online ahead of print. https://doi.org/10.1111/jrh.12581.
Google Scholar | Crossref Cohen, S. A., Kunicki, Z. J., Drohan, M. M., Greaney, M. L. (2021). Exploring changes in caregiver burden and caregiving intensity due to COVID-19. Gerontology and Geriatric Medicine, 7, 233372142199927. https://doi.org/10.1177/2333721421999279.
Google Scholar | SAGE Journals | ISI Cohen, S. A., Sabik, N. J., Cook, S. K., Azzoli, A. B., Mendez-Luck, C. A. (2019). Differences within differences: Gender inequalities in caregiving intensity vary by race and ethnicity in informal caregivers. Journal of Cross-Cultural Gerontology, 34(3), 245-263. https://doi.org/10.1007/s10823-019-09381-9.
Google Scholar | Crossref | Medline Czeisler, M. É., Lane, R. I., Petrosky, E., Wiley, J. F., Christensen, A., Njai, R., Weaver, M. D., Robbins, R., Facer-Childs, E. R., Barger, L. K., et al. (2020). Mental health, substance use, and suicidal ideation during the COVID-19 pandemic – United States, June 24–30, 2020. Morbidity and Mortality Weekly Report, 69, 1049-1057. https://doi.org/10.15585/mmwr.mm6932a1.
Google Scholar | Crossref | Medline Du, C., Zan, M. C. H., Cho, M. J., Fenton, J. I., Hsiao, P. Y., Hsiao, R., Keaver, L., Lai, C.-C., Lee, H., Ludy, M.-J., Shen, W., Swee, W. C. S., Thrivikraman, J., Tseng, K.-W., Tseng, W.-C., Doak, S., Folk, S. Y. L., Tucker, R. M. (2021). The effects of sleep quality and resilience on perceived stress, dietary behaviors, and alcohol misuse: A mediation-moderation analysis of higher education students from Asia, Europe, and North America during the COVID-19 pandemic. Nutrients, 13(2), 442. https://doi.org/10.3390/nu13020442.
Google Scholar | Crossref | Medline Fleming, K. C., Evans, J. M., Chutka, D. S. (2003). Caregiver and clinician shortages in an aging nation. Mayo Clinic Proceedings, 78(8), 1026–1040.
Google Scholar | Crossref | Medline Gao, C., Chapagain, N., Scullin, M. (2019). Sleep duration and sleep quality in caregivers of patients With Dementia: a systematic review and meta-analysis. JAMA Network Open, 2(8), e1, 2(8), e199891. https://doi.org/10.1001/jamanetworkopen.2019.9891.
Google Scholar | Crossref | Medline Hanish, A., Han, J (2018). Delayed onset of sleep in adolescents with PAX6 Haploinsufficiency. Biol Res Nurs, 20(2), 237-243. https://doi.org/10.1177/1099800417753670.
Google Scholar | SAGE Journals | ISI Jahrami, H., BaHammam, A. S., Bragazzi, N. L., Saif, Z., Faris, M., Vitiello, M. V. (2021). Sleep problems during the COVID-19 pandemic by population: a systematic review and meta-analysis. Journal of Clinical Sleep Medicine, 17(2), 299-313. https://doi.org/10.5664/jcsm.8930.
Google Scholar | Crossref | Medline Koopman, E., Heemskerk, M., Beek, A. J., Coenen, P. (2020). Factors associated with caregiver burden among adult (19–64 years) informal caregivers – An analysis from Dutch municipal health service data. Health & Social Care in the Community, 28(5), 1578-1589. https://doi.org/10.1111/hsc.12982.
Google Scholar | Crossref | Medline Koyanagi, A., DeVylder, J. E., Stubbs, B., Carvalho, A. F., Veronese, N., Haro, J. M., Santini, Z. I. (2018). Depression, sleep problems, and perceived stress among informal caregivers in 58 low-, middle-, and high-income countries: A cross-sectional analysis of community-based surveys. Journal of Psychiatric Research, 96, 115-123. https://doi.org/10.1016/j.jpsychires.2017.10.001.
Google Scholar | Crossref | Medline Krupnikov, Y., Levine, A. S. (2014). Cross-sample comparisons and external validity. Journal of Experimental Political Science, 1(1), 59–80. https://doi.org/10.1017/xps.2014.7.
Google Scholar | Crossref Li, Q., Zhang, H., Zhang, M., Li, T., Ma, W., An, C., Chen, Y., Liu, S., Kuang, W., Yu, X., Wang, H. (2021a). Prevalence and risk factors of anxiety, depression, and sleep problems among caregivers of people living with neurocognitive disorders during the COVID-19 pandemic. Frontiers in Psychiatry, 11, 1516. https://doi.org/10.3389/fpsyt.2020.590343.
Google Scholar | Crossref Li, Q., Zhang, H., Zhang, M., Li, T., Ma, W., An, C., Chen, Y., Liu, S., Kuang, W., Yu, X., Wang, H. (2021b). Mental health multimorbidity among caregivers of older adults during the COVID-19 epidemic. Am J Geriatr Psychiatry, 29(7), 687–697. https://doi.org/10.1016/j.jagp.2021.01.006.
Google Scholar | Crossref | Medline Mason, W., Suri, S. (2012). Conducting behavioral research on amazon’s mechanical turk. Behavior Research Methods, 44(1), 1-23. https://doi.org/10.3758/s13428-011-0124-6.
Google Scholar | Crossref | Medline | ISI McCredie, M. N., Morey, L. C. (2019). Who are the turkers? A characterization of MTurk workers using the personality assessment inventory. Assessment, 26(5), 759–766.
Google Scholar | SAGE Journals | ISI Medic, G., Wille, M., Hemels, M. (2017). Short- and long-term health consequences of sleep disruption. Nature and Science of Sleep, 9, 151–161.
Google Scholar | Crossref | Medline Miyawaki, CE, Bouldin, ED, Taylor, CA, McGuire, LC (2020). Baby boomers as caregivers: Results from the behavioral risk factor surveillance system in 44 states, the District of Columbia, and Puerto Rico, 2015–2017. Preventing Chronic Disease, 17(17), E80.
Google Scholar | Medline Mochari-Greenberger, H., Mosca, L. (2012). Caregiver burden and nonachievement of healthy lifestyle behaviors among family caregivers of cardiovascular disease patients. American Journal of Health Promotion, 27(2), 84–89.
Google Scholar | SAGE Journals | ISI Novak, M., Guest, C. (1989). Application of a multidimensional caregiver burden inventory. The Gerontologist, 29(6), 798–803.
Google Scholar | Crossref | Medline | ISI Paolacci, G., Chandler, J. (2014). Inside the Turk. Current Directions in Psychological Science, 23(3), 184–188.
Google Scholar | SAGE Journals | ISI Park, S. (2021). Caregivers’ mental health and somatic symptoms during COVID-19. J Gerontol B Psychol Sci Soc Sci, 76(4), e235-e240. https://doi.org/10.1093/geronb/gbaa121.
Google Scholar | Crossref | Medline Reinhard, S. C., Feinberg, L. F., Houser, A., Choula, R., Evans, M. (2019). Valuing the Invaluable: 2019 Update: Charting a Path Forward. AARP.
Google Scholar | Crossref Robbins, R., Affouf, M., Weaver, M. D., Czeisler, M. É., Barger, L. K., Quan, S. F., Czeisler, C. A. (2021). Estimated sleep duration before and during the COVID-19 pandemic in major metropolitan areas on different continents: observational study of smartphone app data. [Journal of Medical Internet Research Electronic Resource], 23(2), e20546. https://doi.org/10.2196/20546.
Google Scholar | Crossref | Medline Ross, J., Irani, L., Silberman, M. S., Zaldivar, A., Tomlinson, B. (2010). Who are the crowdworkers? Shifting demographics inMechanical Turk. In CHI ’10 Extended Abstracts on Human Factors in Computing Systems (pp. 2863–2872). Proceedings.
Google Scholar | Crossref Serafini, G., Parmigiani, B., Amerio, A., Aguglia, A., Sher, L., Amore, M. (2020). The psychological impact of COVID-19 on the mental health in the general population. An International Journal of Medicine, 113(8), 531-537. https://doi.org/10.1093/qjmed/hcaa201.
Google Scholar Spillman, B. (2014). Informal caregiving for older Americans: An analysis of the 2011 National Study of Caregiving. ASPE. https://aspe.hhs.gov/system/files/pdf/77146/NHATS-IC.pdf.
Google Scholar Tsamakis, K., Tsiptsios, D., Ouranidis, A., Mueller, C., Schizas, D., Terniotis, C., Nikolakakis, N., Tyros, G., Kympouropoulos, S., Lazaris, A., Spandidos, D., Smyrnis, N., Rizos, E. (2021). COVID‐19 and its consequences on mental health (Review). Experimental and Therapeutic Medicine, 21(3), 244. https://doi.org/10.3892/etm.2021.9675.
Google Scholar | Crossref | Medline US Department of Health and Human Services (2021). Health Measures Retrived April 7, 2021. U S Department of HHS. http://www.nihpromis.org.
Google Scholar Watanabe, M., Kikuchi, H., Tanaka, K., Takahashi, M. (2010). Association of short sleep duration with weight gain and obesity at 1-year follow-up: a large-scale prospective study. Sleep, 33(2), 161-167. https://doi.org/10.1093/sleep/33.2.161.
Google Scholar | Crossref | Medline Weinberg, J., Freese, J., McElhattan, D. (2014). Comparing data characteristics and results of an online factorial survey between a population-based and a crowdsource-recruited sample. Sociological Science, 1, 292-310. https://doi.org/10.15195/v1.a19.
Google Scholar | Crossref Wimberly, C., Towry, L., Caudill, C., Johnston, E., Walsh, K. (2021). Impacts of COVID-19 on caregivers of childhood cancer survivors. Pediatric Blood & Cancer, 68(4), e28943. https://doi.org/10.1002/pbc.28943.
Google Scholar | Crossref | Medline Yu, L., Buysse, D. J., Germain, A., Moul, D. E., Stover, A., Dodds, N. E., Johnston, K. L., Pilkonis, P. A. (2012). Development of short forms from the PROMIS sleep disturbance and sleep-related impairment item banks. Behavioral Sleep Medicine, 10(1), 6-24. https://doi.org/10.1080/15402002.2012.636266.
Google Scholar | Crossref Zheng, M. X., Yao, J., Narayanan, J. (2020). Mindfulness buffers the impact of COVID-19 outbreak Information on sleep duration. Frontiers in Psychology. https://doi.org/10.31234/osf.io/wuh94.
Google Scholar