Improve Research Reproducibility A Bio-protocol resource
- Home
- Protocols
-
Ask a
question
Favorite
Employment status was categorized as employed (either full-time or part-time) and not employed. Data on occupation and total family annual income, marital status, race/ethnic background, and education level were also collected on the detailed questionnaire administered at the first visit each year.
Copyright and License information: The Author(s). ©2017
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.
Post a Question0 Q&A
