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The 1985 Detroit Area Study surveyed life events of respondents. Questions addressed alcohol and drug use, emotional state, incidents of depression and fear, stress caused by children and work, and respondent's general health. Information on the respondent's family background was also collected, with specific emphases on children, parenting, and marriage. Gender comparison questions were posed to explore in detail issues such as the benefits/responsibilities of marriage, marriage roles and careers, and division of housework tasks. The survey also included items on the respondent's financial situation, social life, social support network, and demographic characteristics such as age, race, sex, education, religion, and income.

The University of Michigan Health and Retirement Study (HRS) is a longitudinal panel study that surveys a representative sample of approximately 20,000 people in America, supported by the National Institute on Aging and the Social Security Administration.

The HRS aims to provide multidisciplinary data that researchers can use to address important questions about the challenges and opportunities of aging. The HRS includes the "original" HRS and the Asset and Health Dynamics Among the Oldest-Old (AHEAD) study. These studies were merged in 1998 and now represent the United States population over age 50. Two new cohorts were added in 1998: the Children of the Depression (born 1924-1930) and the War Babies (1942-1947). A fourth cohort, the Early Baby Boomers (1948-1953), was added in 2004; a fifth cohort, the Mid Baby Boomers (1954-1959), was added in 2010; and in 2016, the Late Baby Boomers cohort (1960-1965) became the sixth.

Questionnaire topics include physical and cognitive functioning, retirement plans, family structure and transfers, demographic characteristics, housing, employment status, income, disability, health insurance, pension plans, job history, and attitudes, preferences, and expectations for the future. The survey data are linked with administrative records from the Employer Pension Study (1993 and 1999), National Death Index, Social Security Administration earnings and projected benefits data and W-2 self-employment data, and Medicare files.

This collection of tweet IDs pertains to the first two weeks of the #MeToo hashtag campaign in October 2017. During this time period there were over 1.5 million tweets with the #MeToo hashtag. Tweets containing the hashtag #MeToo were collected retroactively from a full historical Twitter Firehose (100%) collection, and reply threads in response to those tweets were separately collected from Twitter. According to Twitter Terms of Service, full tweet objects cannot be disseminated, but the tweet IDs can be rehydrated through Twitter's public GET statuses/lookup API endpoint.

The available data for this study exist in one zipped folder containing 28 files. There are 14 .csv files, one for each day, between October 15th to October 28th, containing the tweet ID with one tweet ID appearing per line. Each file only contains a single column of data (tweet_id). There were on average 109,237 tweets per day during this two-week period ranging between 16,074 to 528,143 tweets per day. Tweets must have been public and not deleted or taken down at the time of collection in order to appear in this dataset.

The other 14 .csv files correspond to the reply threads for each day in response to tweets containing the hashtag #MeToo. Each line indicates the tweet ID of a reply in a thread of replies to a #MeToo tweet (tweet_id) and the tweet ID of the tweet immediately preceeding that tweet in the reply thread (in_reply_to_tweet_id) as comma-separated values. There were on average 21,072 replies to tweets per day during this period with a range of 2,388 to 110,789 replies per day.

The National Health and Nutrition Examination Surveys (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. The NHANES combines personal interviews and physical examinations, which focus on different population groups or health topics. These surveys have been conducted by the National Center for Health Statistics (NCHS) on a periodic basis from 1971 to 1994. In 1999 the NHANES became a continuous program with a changing focus on a variety of health and nutrition measurements which were designed to meet current and emerging concerns. The surveys examine a nationally representative sample of approximately 5,000 persons each year. These persons are located in counties across the United States, 15 of which are visited each year.

For NHANES 2003-2004, there were 12,761 persons selected for the sample, 10,122 of those were interviewed (79.3 percent) and 9,643 (75.6 percent) were examined in the mobile examination centers (MEC). Many of the NHANES 2003-2004 questions were also asked in NHANES II 1976-1980, Hispanic HANES 1982-1984, NHANES III 1988-1994, and NHANES 1999-2002. New questions were added to the survey based on recommendations from survey collaborators, NCHS staff, and other interagency work groups. As in past health examination surveys, data were collected on the prevalence of chronic conditions in the population. Estimates for previously undiagnosed conditions, as well as those known to and reported by survey respondents, are produced through the survey. Risk factors, those aspects of a person's lifestyle, constitution, heredity, or environment that may increase the chances of developing a certain disease or condition, were examined. Data on smoking, alcohol consumption, sexual practices, drug use, physical fitness and activity, weight, and dietary intake were collected. Information on certain aspects of reproductive health, such as use of oral contraceptives and breastfeeding practices, were also collected. The diseases, medical conditions, and health indicators that were studied include: anemia, cardiovascular disease, diabetes and lower extremity disease, environmental exposures, equilibrium, hearing loss, infectious diseases and immunization, kidney disease, mental health and cognitive functioning, nutrition, obesity, oral health, osteoporosis, physical fitness and physical functioning, reproductive history and sexual behavior, respiratory disease (asthma, chronic bronchitis, emphysema), sexually transmitted diseases, skin diseases, and vision. The sample for the survey was selected to represent the United States population of all ages. Special emphasis in the 2003-2004 NHANES was on adolescent health and the health of older Americans. To produce reliable statistics for these groups, adolescents aged 15-19 years and persons aged 60 years and older were over-sampled for the survey. African Americans and Mexican Americans were also over-sampled to enable accurate estimates for these groups. Several important areas in adolescent health, including nutrition and fitness and other aspects of growth and development, were addressed. Since the United States has experienced dramatic growth in the number of older people during the twentieth century, the aging population has major implications for health care needs, public policy, and research priorities. NCHS is working with public health agencies to increase the knowledge of the health status of older Americans. NHANES has a primary role in this endeavor. In the examination, all participants visit the physician who takes their pulse or blood pressure. Dietary interviews and body measurements are included for everyone. All but the very young have a blood sample taken and see the dentist. Depending upon the age of the participant, the rest of the examination includes tests and procedures to assess the various aspects of health listed above. Usually, the older the individual, the more extensive the examination. Some persons who are unable or unwilling to come to the examination center may be given a less extensive examination in their homes.

Demographic data file variables are grouped into three broad categories: (1) Status Variables: provide core information on the survey participant. Examples of the core variables include interview status, examination status, and sequence number. (Sequence number is a unique ID assigned to each sample person and is required to match the information on this demographic file to the rest of the NHANES 2003-2004 data). (2) Recoded Demographic Variables: these variables include age (age in months for persons through age 19 years, 11 months; age in years for 1- to 84-year-olds, and a top-coded age group of 85 years of age and older), gender, a race/ethnicity variable, current or highest grade of education completed, (less than high school, high school, and more than high school education), country of birth (United States, Mexico, or other foreign born), Poverty Income Ratio (PIR), income, and a pregnancy status variable (adjudicated from various pregnancy related variables). Some of the groupings were made due to limited sample sizes for the two-year data set. (3) Interview and Examination Sample Weight Variables: sample weights are available for analyzing NHANES 2003-2004 data. For a complete listing of survey contents for all years of the NHANES see the document -- Survey Content -- NHANES 1999-2010.

The National Survey of American Life Adolescent Supplement (NSAL-A), 2001-2004, was designed to estimate the lifetime-to-date and current prevalence, age-of-onset distributions, course, and comorbidity of DSM-IV disorders among African American and Caribbean adolescents in the United States; to identify risk and protective factors for the onset and persistence of these disorders; to describe patterns and correlates of service use for these disorders; and to lay the groundwork for subsequent follow-up studies that can be used to identify early expressions of adult mental disorders. In addition and similar to the NSAL adult dataset (Collaborative Psychiatric Epidemiology Surveys (CPES), 2001-2003 [United States] (ICPSR 20240)), the adolescent dataset contains detailed measures of health; social conditions; stressors; distress; racial identity; subjective, neighborhood conditions; activities and school; media; and social and psychological protective and risk factors. Numerous variables from the adult dataset have been merged into the adolescent dataset, as the NSAL adult and adolescent respondents reside in the same households. Some of these variables apply to the entire household (i.e. region, urbanicity, and family income), while others apply specifically to the NSAL adult respondent living in the adolescent's household (i.e. adult years of education, adult marital status, and adult nativity [foreign-born vs. US born]). The immigration measures were asked of Caribbean black adult respondents only. No comparable measures assess the immigration and generational status of the Caribbean black adolescent respondents. The adult dataset measures are merged into the adolescent dataset to assist in approximating these measures for adolescent respondents. The NSAL adolescent dataset also includes variables for other non-core and experimental disorders. These include tobacco use/nicotine dependence, premenstrual syndrome, minor depression, recurrent brief depression, hypomania, and hypomania sub-threshold. Demographic variables include age, race and ethnicity, ancestry or national origins, height, weight, marital status, income, and education level.

Policing the Rainbow is a mixed-methods study utilizing qualitative interviews and a survey conducted through the AmeriSpeak Panel at NORC at the University of Chicago. The aim of Policing the Rainbow was to better understand the relationship between law enforcement and the LGBTQ community.

Project STRIDE is a three-year research project that examines the effect of stress and minority identity related to sexual orientation, race/ethnicity and gender on mental health. The research describes social stressors that affect minority populations, explores the coping and social support resources that they utilize as they confront these social stressors, and assesses the associations of stress and coping with mental health outcomes including mental disorders and wellbeing. The study also explores the impact of various identity characteristics, such as whether an identity is viewed positively or negatively, or whether it is prominent or not to the relationship of stress and mental health outcomes.

The study, using extensive quantitative and some qualitative measures, is a longitudinal survey of 525 men and women between the ages 18 and 59 who are residents of New York City. Socio-demographic information collected about respondents included age, education, race and Hispanic ethnicity, adopting the measures developed and used by the United States Census Bureau in the United States population survey of 2000. In addition to these items, racial/ethnic identity was also assessed with the question "What is the country of origin related to your or your family's ethnic or national background, if any?" Respondents were allowed to select up to two nations from a comprehensive listing. For the purposes of the study, the instrument also assessed whether or not participants were natives of New York City or migrated as adults. Additional demographic variables include employment status, religion, relationship status, and sexual orientation.

The Social Justice Sexuality Project (SJS) is one of the largest national surveys of Black, Latina/o, Asian and Pacific Islander, and multiracial lesbian, gay, bisexual, and transgender (LGBT) people. With over 5,000 respondents, the final sample includes respondents from all 50 states; Washington, DC, and Puerto Rico; in rural and suburban areas, in addition to large urban areas; and from a variety of ages, racial/ethnic identities, sexual orientations, and gender identities. The purpose of the SJS Project is to document and celebrate the experiences of lesbian, gay, bisexual and transgender (LGBT) people of color. All too often, when we think about LGBT people of color, it's from a perspective of pathology. In contrast, the SJS Project is designed and dedicated to describing a more dynamic experience. It's a knowledge-based study that investigates the sociopolitical experiences of this population around five themes: racial and sexual identity; spirituality and religion; mental and physical health; family formations and dynamics; civic and community engagement. Demographic variables include: race/ethnicity, sexual orientation, gender identity, age, education, religion, household, income, height, weight, location, birthplace, and political affiliation.

Additional information about the SJS Project can be found on the Social Justice Sexuality Project Web site.

The Stroke Recovery in Underserved Populations 2005-2006 study was created to address the National Institute on Aging (NIA) Request For Application entitled "Research on Mind-Body Interactions and Health" (RFA OD-03-008). It addressed the NIA interest in "the impact of optimism, happiness, or a positive attitude on well-being and health; and social functioning and health." The study examined how positive emotion (e.g., joy, gratitude, love, contentment) and social networks independently and interactively contribute to recovery of functional status after stroke within two underserved groups. The specific study aims were to:

1. Examine recovery of functional status (motor and cognitive function), for White, African American and Hispanic persons with stroke discharged from rehabilitation facilities
2. Examine the contributions of positive emotion and social networks on recovery of functional status (motor and cognitive function), for White, African American, and Hispanic persons with stroke discharged from rehabilitation facilities; and
3. Examine the interaction between positive emotion and social networks on recovery of functional status (motor and cognitive function) for White, African American, and Hispanic persons with stroke discharged from rehabilitation facilities.

The data were collected by the IT Health Track at four time points: at admission and discharge from rehabilitation facility, and 80-180 days and 365-425 days after discharge. These data emphasize recovery of motor and cognitive functional status, positive emotion, and social networks

The dataset contains 226 variables and 1219 cases from 11 rehabilitation facilities across the United States.