cmu-delphi · capnrefsmmat · Jul 9, 2021 · Jul 1, 2021 · Jul 6, 2021 · Jul 6, 2021
diff --git a/docs/api/covidcast-signals/fb-survey.md b/docs/api/covidcast-signals/fb-survey.md
@@ -1,10 +1,10 @@
 ---
-title: Symptom Surveys
+title: COVID-19 Trends and Impact Survey
 parent: Data Sources and Signals
 grand_parent: COVIDcast Epidata API
 ---
 
-# Symptom Surveys
+# COVID-19 Trends and Impact Survey
 {: .no_toc}
 
 * **Source name:** `fb-survey`
@@ -17,9 +17,10 @@ grand_parent: COVIDcast Epidata API
 
 ## Overview
 
-This data source is based on symptom surveys run by the Delphi group at Carnegie
-Mellon. Facebook directs a random sample of its users to these surveys, which
-are voluntary. Users age 18 or older are eligible to complete the surveys, and
+This data source is based on the [COVID-19 Trends and Impact Survey
+(CTIS)](../../symptom-survey/) run by the Delphi group at Carnegie Mellon.
+Facebook directs a random sample of its users to these surveys, which are
+voluntary. Users age 18 or older are eligible to complete the surveys, and
 their survey responses are held by CMU and are sharable with other health
 researchers under a data use agreement. No individual survey responses are
 shared back to Facebook. See our [surveys
@@ -575,7 +576,7 @@ $$
 
 where $$\pi_i$$ is an estimated probability (produced by Facebook) that an
 individual with the same state-by-age-gender profile as user $$i$$ would be a
-Facebook user and take our CMU survey. The adjustment we make follows a standard
+Facebook user and take our survey. The adjustment we make follows a standard
 inverse probability weighting strategy (this being a special case of importance
 sampling).
 

diff --git a/docs/symptom-survey/coding.md b/docs/symptom-survey/coding.md
@@ -1,15 +1,15 @@
 ---
 title: Questions and Coding
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey
 nav_order: 6
 ---
 
 # Questions and Coding
 {: .no_toc}
 
-The symptom surveys have been deployed in several waves. We have tried to ensure
-the coding of waves is consistent. This page provides the full survey text and
-coding schemes.
+The COVID-19 Trends and Impacts Survey (CTIS) has been deployed in several waves.
+We have tried to ensure the coding of waves is consistent. This page provides
+the full survey text and coding schemes.
 
 
 ## Table of contents
@@ -467,7 +467,7 @@ new items were meant to capture reasons for vaccine hesitancy among respondents.
   when you use responses from multiple waves of this survey, since they may
   shift which occupations respondents choose.
 * C14a is a revision of item C14, changed from "the past 5 days" to "the past
-  7 days" to be consistent with other items on the COVID Symptom Survey.
+  7 days" to be consistent with other items on CTIS.
   C14a replaces C14.
 * C17a is a revision of item C17, which asked respondents if they have had a
   flu vaccination since June 2020. C17a changed the date to July 1, 2020 and

diff --git a/docs/symptom-survey/collaboration-revision.md b/docs/symptom-survey/collaboration-revision.md
@@ -1,24 +1,24 @@
 ---
 title: Collaboration and Survey Revision
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey
 nav_order: 1
 ---
 
 # Collaboration and Survey Revision
 
-Delphi continues to revise the COVID-19 Symptom Survey instruments in order to
-prioritize items that have the greatest utility for the response to the COVID-19
-pandemic. We conduct revisions in collaboration with data users, fellow
-researchers, and public health officials, to ensure the survey data best serves
-public health and research goals.
+Delphi continues to revise the COVID-19 Trends and Impact Survey (CTIS)
+instruments in order to prioritize items that have the greatest utility for the
+response to the COVID-19 pandemic. We conduct revisions in collaboration with
+data users, fellow researchers, and public health officials, to ensure the
+survey data best serves public health and research goals.
 
 ## Proposing Revisions
 
 If there is a revision or question you would like us to consider, please fill
 out [this form requesting details about your
 proposal](https://forms.gle/q6NS8fPJJofKQ9mM8). This request can be submitted by
 researchers regardless of whether they have a signed Data Use Agreement for the
-individual responses to the COVID Symptom Survey.
+individual responses to the COVID-19 Trends and Impact Survey.
 
 ## Collaboration Meetings
 

diff --git a/docs/symptom-survey/contingency-tables.md b/docs/symptom-survey/contingency-tables.md
@@ -1,14 +1,14 @@
 ---
 title: Contingency Tables
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey
 nav_order: 4
 ---
 
 # Contingency Tables
 {: .no_toc}
 
 This documentation describes the fine-resolution contingency tables produced by
-grouping [COVID Symptom Survey](./index.md) individual responses by various
+grouping [COVID-19 Trends and Impact Survey (CTIS)](./index.md) individual responses by various
 self-reported demographic features.
 
 * [Weekly files](https://www.cmu.edu/delphi-web/surveys/weekly-rollup/)
@@ -119,6 +119,7 @@ Within a CSV, the first few columns store metadata of the aggregation:
 | `ISO_3` | Three-letter ISO country code ("USA") |
 | `GID_0` | GADM level 0 ID |
 | `state` | State name; "Overall" if aggregation not grouped at the state level |
+| `GID_1` | GADM level 1 ID |
 | `state_fips` | State FIPS code; `NA` if aggregation not grouped at the state level |
 | `county` | County name; "Overall" if aggregation not grouped at the county level |
 | `county_fips` | County FIPS code; `NA` if aggregation not grouped at the county level |

diff --git a/docs/symptom-survey/data-access.md b/docs/symptom-survey/data-access.md
@@ -1,16 +1,16 @@
 ---
 title: Getting Data Access
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey
 nav_order: 0
 ---
 
 # Getting Data Access
 
 The Delphi Research Group at Carnegie Mellon University (CMU), in partnership
-with Facebook, has conducted the COVID Symptom Survey to better understand the
-spread of COVID-19 and its effects on public health and well-being. This may
-help improve our local and national responses to the pandemic and our
-understanding of how it has affected society.
+with Facebook, has conducted the COVID-19 Trends and Impact Survey (CTIS) to
+better understand the spread of COVID-19 and its effects on public health and
+well-being. This may help improve our local and national responses to the
+pandemic and our understanding of how it has affected society.
 
 [High-level aggregates](../api/covidcast.md) of select survey items are
 publicly available in the [COVIDcast API](../api/covidcast-signals/fb-survey.md).
@@ -25,9 +25,9 @@ Agreement (DUA). To request access to the data please submit the information
 requested in [Facebook's page on obtaining data
 access](https://dataforgood.fb.com/docs/covid-19-symptom-survey-request-for-data-access/),
 which sets out the basic conditions and provides a form to request access. An
-[international version of the COVID Symptom Survey](https://covidmap.umd.edu/)
-is conducted by the University of Maryland (UMD) and access can be requested
-through the same form.
+[international version of CTIS](https://covidmap.umd.edu/) is conducted by the
+University of Maryland (UMD) and access can be requested through the same
+form.
 
 The United States survey protocol has been reviewed by the Carnegie Mellon
 University Institutional Review Board with IRB ID STUDY2020_00000162.

diff --git a/docs/symptom-survey/index.md b/docs/symptom-survey/index.md
@@ -1,12 +1,12 @@
 ---
-title: COVID Symptom Survey
+title: COVID-19 Trends and Impact Survey
 has_children: true
 nav_order: 2
 ---
 
-# COVID Symptom Survey
+# COVID-19 Trends and Impact Survey
 
-Since April 2020, Delphi has conducted a voluntary COVID-19 symptom survey,
+Since April 2020, Delphi has conducted a voluntary survey about COVID-19,
 distributed daily to users in the United States via a partnership with Facebook.
 This survey asks respondents about COVID-like symptoms, their behavior (such as
 social distancing), mental health, and economic and health impacts they have
@@ -29,7 +29,7 @@ If you have questions about the survey or getting access to data, contact us at
 
 ## Credits
 
-The COVID Symptom Survey is a project of the [Delphi
+The COVID-19 Trends and Impact Survey (CTIS) is a project of the [Delphi
 Group](https://delphi.cmu.edu/) at Carnegie Mellon University. The Principal
 Investigator is [Alex Reinhart](https://www.refsmmat.com/); Wichada La
 Motte-Kerr is Survey Coordinator. The survey protocol is reviewed by the
@@ -59,18 +59,30 @@ the survey in publications based on the data. Specifically, we ask that you:
 2. Cite this web page for details about the survey. For example, you may cite it
    as
 
-    > Delphi Group (2021). COVID Symptom Survey.
+    > Delphi Group (2021). COVID-19 Trends and Impact Survey.
     > <https://cmu-delphi.github.io/delphi-epidata/symptom-survey/>
 
     A journal article describing the survey and its methods is currently in
     preparation, and we will update this page when it is available so that you
     can cite it instead.
-3. Send a copy of your publication, once it appears publicly as a preprint or
-   journal article, to <[email protected]>.
-
-Additionally, please note that the data use agreement requires that if you
-disclose survey microdata, Delphi must agree on the aggregation method that you
-will use to ensure reported estimates do not disclose any individual
-identifiable information, including individual survey results. If you are unsure
-whether a particular aggregation will prevent disclosure of individual survey
-results, please email us at <[email protected]>.
+3. The data use agreement requires that if you disclose survey microdata, Delphi
+   must agree on the aggregation method that you will use to ensure reported
+   estimates do not disclose any individual identifiable information, including
+   individual survey results. If you are unsure whether a particular aggregation
+   will prevent disclosure of individual survey results, please email us at
+   <[email protected]>.
+4. Finally, send a copy of your publication, once it appears publicly as a
+   preprint or journal article, to <[email protected]>.
+
+When referring to the survey in text, we prefer the following formats:
+
+* Long form (such as in an introduction or methods description): "The Delphi
+  Group at Carnegie Mellon University U.S. COVID-19 Trends and Impact Survey, in
+  partnership with Facebook".
+* Short form (used after the long form has been introduced): "The U.S. COVID-19
+  Trends and Impact Survey"
+* Acronym form: "Delphi US CTIS"
+
+Prior to July 2021, the survey was known as the COVID Symptom Survey (CSS), and
+some older documentation and publication may still refer to this name. We prefer
+that new publications and materials refer to the new name.
diff --git a/docs/symptom-survey/modules.md b/docs/symptom-survey/modules.md
@@ -1,17 +1,17 @@
 ---
 title: Survey Modules & Randomization
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey
 nav_order: 7
 ---
 
 # Questions and Coding
 {: .no_toc}
 
-To reduce the overall length of the instrument and minimize response burden, the
-COVID Symptom Survey will consist of a block of daily core questions and will
-use a randomized module approach for the other topics. Implementation of this
-approach started in [Wave 11](coding.md#wave-11), which launched on May 20,
-2021.
+To reduce the overall length of the instrument and minimize response burden,
+the COVID-19 Trends and Impact Survey (CTIS) will consist of a block of daily
+core questions and will use a randomized module approach for the other topics.
+Implementation of this approach started in [Wave 11](coding.md#wave-11), which
+launched on May 20, 2021.
 
 Each respondent invited to take the survey will be asked the daily core
 questions. The daily core questions for Wave 11 include:

diff --git a/docs/symptom-survey/problems.md b/docs/symptom-survey/problems.md
@@ -1,15 +1,15 @@
 ---
 title: Problems and Data Errors
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey
 nav_order: 8
 ---
 
 # Problems and Data Errors
 {: .no_toc}
 
-Given the scale of the COVID Symptom Survey, we occasionally encounter data
-errors or survey implementation problems that affect the interpretation of
-results. All problems will be logged here.
+Given the scale of the COVID-19 Trends and Impact Survey (CTIS), we occasionally
+encounter data errors or survey implementation problems that affect the
+interpretation of results. All problems will be logged here.
 
 ## Table of contents
 {: .no_toc .text-delta}

diff --git a/docs/symptom-survey/server-access.md b/docs/symptom-survey/server-access.md
@@ -1,15 +1,16 @@
 ---
 title: SFTP Server Access
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey
 nav_order: 2
 ---
 
 # SFTP Server Access
 
 Researchers with data use agreements to access the raw data from the COVID-19
-symptom survey can access the data over SFTP. (If you do not have a data use
-agreement, see the [main survey page](index.md) for information about getting
-access and about aggregate data that is available for public download.)
+Trends and Impact Survey (CTIS) can access the data over SFTP. (If you do not
+have a data use agreement, see the [main survey page](index.md) for
+information about getting access and about aggregate data that is available
+for public download.)
 
 If you're not familiar with SFTP, it is a protocol for securely accessing and downloading
 large amounts of data from remote servers. The instructions below explain how to

diff --git a/docs/symptom-survey/survey-files.md b/docs/symptom-survey/survey-files.md
@@ -1,16 +1,17 @@
 ---
 title: Response Files
-parent: COVID Symptom Survey
+parent: COVID-19 Trends and Impact Survey (CTIS)
 nav_order: 3
 ---
 
 # Response Files
 {: .no_toc}
 
-Users with access to the [COVID Symptom Survey](./index.md) individual response
-data should have received SFTP credentials for a private server where the data
-are stored. To connect to the server, see the [server access documentation](server-access.md).
-This documentation describes the survey data available on that server.
+Users with access to the [COVID-19 Trends and Impact Survey (CTIS)](./index.md)
+individual response data should have received SFTP credentials for a private
+server where the data are stored. To connect to the server, see the [server
+access documentation](server-access.md). This documentation describes the
+survey data available on that server.
 
 You must sign a Data Use Agreement with Facebook and with CMU to gain
 access to the individual survey responses. If you have not done so, aggregate