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Methodology
How Does the 优蜜传媒National Health and Well-Being Index Work?
Methodology

How Does the 优蜜传媒National Health and Well-Being Index Work?

What is the 优蜜传媒National Health and Well-Being Index?

In 2008, 优蜜传媒began measurement for the 优蜜传媒National Health and Well-Being Index, merging decades of clinical research, health leadership and behavioral economics research to track and understand the key factors that drive wellbeing. The index provides an in-depth view of Americans' wellbeing and offers insights into their attitudes and behaviors at the national, state and community levels. It examines this through five interrelated elements that make up wellbeing: career (formerly known as purpose), social, financial, physical and community.

How are surveys conducted for the 优蜜传媒National Health and Well-Being Index?

Beginning in January 2018, 优蜜传媒began surveying U.S. adults aged 18 and older living in all 50 states and the District of Columbia using a dual mail- and web-based methodology. 优蜜传媒samples individuals using an address-based sampling (ABS) frame, which is a representative list of all U.S. households. In their survey invitation, sample members are provided with a mail survey and a link and unique access code if they would prefer to complete the survey online. 优蜜传媒purchases samples for this study from Survey Sampling International. 优蜜传媒chooses respondents at random within each household based on which member has the next birthday. 优蜜传媒includes Spanish-language surveys and related materials for households that have a high likelihood of including a Spanish-language speaker, based on U.S. Census records.

Since 2020, 优蜜传媒has administered web-based surveys to the , a probability-based panel of about 100,000 adults across all 50 states and the District of Columbia. Tests of parallel samples have yielded highly convergent estimates between ABS mail/web and the Panel for wellbeing metrics.

Before 2018, 优蜜传媒used a phone-based dual-frame design, which included both landline and cellphone numbers. 优蜜传媒sampled landline and cellphone numbers using random-digit-dial methods and conducted interviews in Spanish for respondents who were primarily Spanish-speaking.

Because the means of data collection (mail/web versus phone) can result in differing estimates for some metrics in randomized nationwide polling, 优蜜传媒typically does not extend trend lines derived from different modes of data collection.

How often are 优蜜传媒National Health and Well-Being Index surveys conducted?

优蜜传媒surveys approximately 5,000 U.S. adults aged 18 and older each quarter. More than 3 million surveys have been conducted since 2008.

Are the national samples weighted?

Yes, 优蜜传媒weights samples to correct for nonresponse. 优蜜传媒also weights its final samples to match the U.S. population according to gender, age, race, Hispanic ethnicity, education, region and population density. Demographic weighting targets for the U.S. and for individual states are based on the most recent Current Population Survey figures for the aged 18 and older U.S. population, while weighting targets for metropolitan areas are based on Nielsen Claritas statistics. Population density targets are based on the most recent U.S. Census. All reported margins of sampling error include computed design effects for weighting.

Where can I find results from the 优蜜传媒National Health and Well-Being Index and learn more about the survey?

优蜜传媒reports findings from the 优蜜传媒National Health and Well-Being Index on News.Gallup.com. Sign up for to get these articles as soon as they are published. For questions about how this survey is conducted, please contact galluphelp@gallup.com.

To get the full trends for U.S. wellbeing data collected through the 优蜜传媒National Health and Well-Being Index, subscribe to .


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