The IFH Data Core provides researchers with access to experienced and specialized data analysts, a wide variety of population-based surveys (see list below), and a powerful HIPAA-compliant computing environment that can facilitate productive, efficient, and sensitive research and training activities.
The IFH Data Core also offers access to a unique JAVA based web-application developed specifically for conducting multilingual, in-person research with difficult-to-reach populations. This survey application allows for flexible data collection, monitoring, and storage to adhere to regulatory standards and best practices. Our survey data collection system has been rigorously field-tested and implemented to collect data with thousands of participants around the world.
Our specialized survey platform provides these five primary benefits:
| Name | Avaliable Data Time Interval | Age | Ethinicity | Size (N/Year) | Location | Design | Eligibility Criteria | Study Units | Description |
|---|---|---|---|---|---|---|---|---|---|
| Longitudinal Aging Study in India (HRS Sister S: LASI) |
2010: Pilot (Data released) | 45+ | Indian | Began in late 2010 1683 individuals within 950 households |
India | Panel Study | (1) age 45+ (2) live in Karnataka, Kerala, Punjab, and Rajasthan |
Individual | The Longitudinal Aging Study in India (LASI) is a multidisciplinary panel study designed to be nationally representative of India’s population aged 45 and older. |
| Korean Longitudinal Study of Ageing (HRS Sister S: KLoSA) |
2006-2016 | 45+ | Korean | n1 ~ 10,000/ 2006 2006~2016 every two years |
South Korea | Panel Study | "Middle/old-aged population (45 or older) nationwide not including Jeju Island" | Individual | The data will help identify and observe different dimensions of an aged society, build datasets that enable studies in different fields, and generate data comparable with similar panel studies in other countries (eg. U.S., Europe) that can provide the basis for policy-making and academic studies. |
| China Health and Retirement Longitudinal Study (HRS Sister S: CHARLS) |
2011-2015 | 45+ | Chinese | N= 2,685 (1,570 Households)/ 2008 Pilot N= 17,708 (10,257)/ 2011 Wave1 (Baseline) N= 1,337/ 2012 Pilot Wave2 N= 18,604 (15,770 follow up + 2,834 new)/ 2013 Wave2 N= 20,654/ 2014 Wave3 (Life History Survey) N= 21,095/ 2015 Wave4 |
China | Panel Study | 1) 45 years or older | Individual | The China Health and Retirement Longitudinal Study (CHARLS) aims to collect a high quality nationally representative sample of Chinese residents ages 45 and older to serve the needs of scientific research on the elderly. |
| Population Study of Chinese Elderly in Chicago (PINE) | 2011-2017 | 60+ | Chinese | N=3157 / 2011-2013 N=3232 / 2013-2015 N=3057 / 2015-2017 N=3126 / 2017-2019 |
USA | Longitudinal | 1) 60 years or older 2) self-identify as Chinese 3) living in the community |
Individual | The PINE Study is a population-based study of Chinese older adults living in the Chicago area which focuses on culture, violence, health, and psycholgoical wellbeing. |
| Filial Piety Study (PINE Sister S) | 2012-2016 | 21+ | Chinese | N= 547 individuals, 773 dyads / 2012-2014 N= 669 individuals/ 2014-2016 N= 715 individuals/ 2017-2019 |
USA | Longitudinal | 1) 21 years or older 2) have family member who is Chinese, 60 years older and more, and living in the community |
Individual + Parent-children dyads | The PIETY Study is a population-based study of Chinese adult children in the US which focuses on culture, caregiving, and health and wellbeing. |
| Dementia and Caregiving Study (PINE Sister S) | 2014-2016 | 21+ | Chinese | Baseline N = 438 | USA | Longitudinal | 1) 21 years or older 2) have family member who is Chinese, 60 years older and more, living in the community, having mmse less than 20 or having low-z-score |
Individual | The Dementia and Caregiving Study is a sub study of the Filial Piety Study which focuses on those who have a parent or in law with memory problems. |
| Nanjing Longitudinal Study of Aging (PINE Sister S) | 2017-2018 | 60+ | Chinese | N= 1615 / 2017-2018 | China | Cross sectional | 1) 60 years or older 2) self-identify as Chinese 3) iving in the community |
Individual | Data were collected from 24 cmmunities from 12 streets, 6 district in Nanjing. |
| Midlife in Japan | 2018-2014 | 30-79 | Japanese | N= 1,027/2008 N= 382/ 2009-2010 Biomarker Project N= 57/ 2012 N= 328/ 2013-2014 Biomarker Project Biomarker Data N= 948/ 2013-2014 Biomarker Project Stacked Medications Data |
Japan | 2008 & 2012: Longitudinal | 1) 30-79 2) Japanese 3) Live in Tokyo |
Individual | survey data were collected from a probability sample of Japanese adults (N=1,027) aged 30 to 79 from the Tokyo metropolitan area, resulting in the Survey of Midlife in Japan |
| Indonesia Family Life Surveys (IFLS) | 1993-2014 | 0+ | Multiple | N= 7,224 Households (22,000 individuals)/ 1993 (IFLS1) Aim to relocate and reinterview origin households: 94% of IFLS1 households and 91% IFLS1 individuals/ 1997 (IFLS2) 25% subsample of IFLS communities/ 1998 (IFLS2+) 91% of IFLS1 households/ 2000 (IFLS3+) N= 13,535 households (44,103 individuals)/ 2007 N= 16,204 households (50,148 individuals) + 2,662 proxy interviews/ 2014 |
Indonesia | Panel Study | It is based on a sample of households representing about 83% of the Indonesian population living in 13 of the nation’s 26 provinces | Individual | The Indonesia Family Life Survey is designed to provide data for studying behaviors and outcomes. The survey contains a wealth of information collected at the individual and household levels, including multiple indicators of economic and non-economic well-being: consumption, income, assets, education, migration, labor market outcomes, marriage, fertility, contraceptive use, health status, use of health care and health insurance, relationships among co-resident and non- resident family members, processes underlying household decision-making, transfers among family members and participation in community activities. |
| Korea National Health and Nutrition Examination Survey (KNHANES) | 1998-2016 | 1+ | Korean | N= 38,551/ 1998 (1st) N= 37,434/ 2001 (2nd) N= 33,805/ 2005 (3rd) N= 4,594/ 2007 (4th) N= 9,744/ 2008 (4th) N= 10,533/ 2009 (4th) N= 8,958/ 2010 (5th) N= 8,518/ 2011 (5th) N= 8,058/ 2012 N= 8,018/ 2013 N= 7,550/ 2014 N= 7,380/2015 N= 8,150/2016 |
South Korea | Cross sectional | (1) Korean citizens (2) Live in the community |
Individual | The Korea National Health and Nutrition Examination Survey (KNHANES) is a national surveillance system that has been assessing he health and nutritional status of Koreans since 1998. This nationally representative cross-sectional survey includes approximately 10 000 individuals each year as a survey sample and collects information on socioeconomic status, health-related behaviours, quality of life, healthcare utilization, anthropometric measures, biochemical and clinical profiles for non-communicable diseases and dietary intakes with three component surveys: health interview, health examination and nutrition survey. |
| California Health Interview Survey (CHIS) | 2001-2016 2001-2011: Biennial survey 2011 - now: Annual. |
0+ | Multiple | N= 55,000 Households/ 2001 N= 42,000 Households/ 2003 N= 45,000 Households/ 2005 N= 53,000 Househoolds (More than 51,000 adults + more than 13,000 teens and children)/ 2007 N= 49,000 Households (More than 47,000 adults + more than 12,000 teens and children)/ 2009 N= 44,559 Households (42,935 adults + 2,799 adolescents + 7,334 children)/ 2011-2012 N= 21,304 Households (20,724 adults + 1,201 adolescents + 2,920 children)/ 2013 N= 20,207 Households (19,516 adults + 1,052 adolescents + 2,592 children)/ 2014 N= 21,444 Households (21,034 adults + 754 adolescents + 2,157 children)/ 2015 N= 21,269 Households (21,055 adults + 840 adolescents + 2,136 children)/ 2016 |
USA | Cross sectional | The survey design supports study of California’s major race and ethnic groups, and a number of smaller ethnic groups within the state. Within each household, one adult (age 18 and over) respondent was randomly selected. In those households with adolescents (ages 12-17) and/or children (under age 12), one adolescent and one child of the randomly selected parent/guardian were randomly selected; the adolescent was interviewed directly, and the adult sufficiently knowledgeable about the child’s health completed the child interview. | Individual | CHIS is the nation's largest state health survey. CHIS is a random-dial telephone survey conducted on a continuous basis and covers a wide range of health topics. CHIS gives a detailed picture of the health and health care needs of California's large and diverse population. CHIS is a population-based, random-digit dial (RDD) telephone survey of California households. Within each household, separate interviews were conducted with a randomly selected adult (age 18 and over), adolescents (ages 12-17), and parents of children (ages 0 to 11). The CHIS sample is designed to meet two objectives: (1) provide estimates for most counties and groups of counties with small populations; and (2) provide estimates for California’s overall population, major racial and ethnic groups, and for several smaller ethnic subgroups as well |