Link Search Menu Expand Document

List of All Indicators

Indicator Description Survey Question Used Earliest Date Available
covid Respondents that have reported COVID-like illness (CLI). COVID-like illness: fever, along with cough, shortness of breath, or difficulty breathing. B1_1, B1_2, B1_3 2020-04-23
flu Respondents that have reported Influenza-like illness (ILI). Influenza-like illness: fever, along with cough or sore throat. B1_1, B1_2, B1_7 2020-04-23
mask Respondents who wore a mask all the time or most of the time when in public. C5 2020-04-23
contact Respondents that have reported having had direct contact (longer than 1 minute) with people not staying with them. C1_m 2020-04-23 to 2021-06-18
finance Respondents who are very worried or somewhat worried about themselves and their household’s finances. D5 2020-05-01
anosmia Respondents reporting anosmia (loss of smell or taste). B1_10 2020-04-23
vaccine_acpt Respondents definitely or probably choosing to get vaccinated if a COVID-19 vaccine was offered to them Note: Replaced by appointment_or_accept_covid_vaccine in Wave 11 V3 2020-12-21 to 2021-06-18
covid_vaccine Respondents vaccinated with a COVID-19 vaccine. V1 2021-02-05
trust_fam Respondents more likely to get vaccinated if recommended by friends and family. V4_1 2020-12-21 to 2021-06-18
trust_healthcare Respondents more likely to get vaccinated if recommended by local healthcare workers. Note: no longer being populated. It has been replaced by trust_doctors. V4_2 From 2020-12-21 To 2021-02-05
trust_who Respondents more likely to get vaccinated if recommended by the WHO. V4_3 2020-12-21 to 2021-06-18
trust_govt Respondents more likely to get vaccinated if recommended by government health officials. V4_4 2020-12-21 to 2021-06-18
trust_politicians Respondents more likely to get vaccinated if recommended by politicians. V4_5 2020-12-21 to 2021-06-18
twodoses Respondents having received 2 doses of a COVID-19 vaccine. V2 2021-01-14
concerned_sideeffects Respondents being very or moderately concerned about COVID-19 vaccine side effects. V9 2021-01-14
hesitant_sideeffects Respondents very or moderately concerned about COVID-19 vaccine side effects, conditional on being hesitant (would NOT choose to get vaccinated if offered a vaccine). V3, V9 Note:Item # change to V3a, V9 after 2021-05-20 2021-01-14
modified_acceptance Respondents that are vaccine accepting where people who are vaccinated are included as accepting. Note: Replaced by vaccinated_appointment_or_accept in Wave 11 V1, V3 2021-01-05 to 2021-06-18
access_wash Respondents with access to soap and water for washing their hands. C8 2020-06-27 to 2021-06-18
wash_hands_24h_3to6 Respondents who washed their hands 3 to 6 times in the last 24 hours. C7 2020-06-27 to 2021-06-18
wash_hands_24h_7orMore Respondents who washed their hands 7+ times in the last 24 hours. C7 2020-06-27 to 2021-06-18
cmty_covid Respondents who personally know anyone in their local community who is sick with a fever and either a cough or difficulty breathing. B3 2020-04-23
barrier_reason_side_effects Respondents who are concerned about possible side effects of a COVID-19 vaccine. V5a_1,V5b_1,V5c_1 2021-02-05
barrier_reason_wontwork Respondents who don’t know if a COVID-19 vaccine will work. V5a_2,V5b_2,V5c_2 2021-02-05
barrier_reason_dontbelieve Respondents who don’t believe they need a COVID-19 vaccine. V5a_3,V5b_3,V5c_3 2021-02-05
barrier_reason_dontlike Respondents who don’t like vaccines. V5a_4,V5b_4,V5c_4 202-02-05
barrier_reason_waitlater Respondents who plan to wait and see if the vaccine is safe and may get it later. V5a_5,V5b_5,V5c_5 2021-02-05
barrier_reason_otherpeople Respondents who think other people need the vaccine more than they do right now. V5a_6,V5b_6,V5c_6 2021-02-05
barrier_reason_cost Respondents who are concerned about the cost of a COVID-19 vaccine. V5a_7,V5b_7,V5c_7 2021-02-05
barrier_reason_religious Respondents whose religious beliefs are against vaccination. V5a_8,V5b_8,V5c_8 2021-02-05
barrier_reason_government Respondents who reported not trusting the government as a reasons why they would choose not to get a COVID-19 vaccine. V5a_10,V5b_10,V5c_10 2021-03-01
barrier_reason_other Respondents who have other reasons not to get a COVID-19 vaccine. V5a_9,V5b_9,V5c_9 2021-02-05
trust_doctors Respondents more likely to get vaccinated if recommended by doctors and other health professionals they go to for medical care. V4_6 2021-02-05 to 2021-06-18
barrier_reason_dontneed_alreadyhad Respondents who do not believe they need a COVID-19 vaccine because they already had the COVID-19 virus. V6_1,V1 2021-02-05
barrier_reason_dontneed_dontspendtime Respondents who do not believe they need a COVID-19 vaccine because they do not spend time with any high-risk people. V6_2,V1 2021-02-05
barrier_reason_dontneed_nothighrisk Respondents who do not believe they need a COVID-19 vaccine because they are not part of a high-risk group. V6_3,V1 2021-02-05
barrier_reason_dontneed_takeprecautions Respondents who do not believe they need a COVID-19 vaccine because they plan to use masks or other precautions instead. V6_4,V1 2021-02-05
barrier_reason_dontneed_notserious Respondents who do not believe they need a COVID-19 vaccine because they do not belive COVID-19 is a seuorus illeness. V6_5,V1 2021-02-05
barrier_reason_dontneed_notbeneficial Respondents who do not believe they need a COVID-19 vaccine because they do not think vaccines are beneficial. V6_6,V1 2021-02-05
barrier_reason_dontneed_other Respondents who do not believe they need a COVID-19 vaccine because of other reasons which are not not listed. V6_7,V1 2021-02-05
informed_access Respondents who reported being very informed or moderately informed about how to be able to get a COVID-19 vaccine. V13 2021-03-01 to 2021-06-18
appointment_have Respondents who reported having an appointment to receive a COVID-19 vaccine. Note: Replaced by appointment_not_vaccinated in Wave 11 V15 2021-03-01 to 2021-06-18
appointment_tried Respondents who reported having tried to get an appointment to receive a COVID-19 vaccine. Note: Replaced by vaccine_tried in Wave 11 V16 2021-03-01 to 2021-06-18
work_outside_home_1d Respondents who worked outside their home in the past 24 hours. Note: Replaced by activity_work_outside_home in Wave 11 C0_1 2020-04-23 to 2021-06-18
shop_1d Respondents who went to a market, grocery store, or pharmacy in the past 24 hours.Note: Replaced by activity_shop in Wave 11 C0_2 2020-04-23 to 2021-06-18
restaurant_1d Respondents who went to a shopping center, restaurant, or cafe in the past 24 hours. Note: Replaced by activity_restaurant_bar in Wave 11 C0_3 2020-04-23 to 2021-06-18
spent_time_1d Respondents who spent time with someone who isn’t currently staying with them in the past 24 hours. Note: Replaced by activity_spent_time in Wave 11 C0_4 2020-04-23 to 2021-06-18
large_event_1d Respondents who attended an event with more than 10 people in the past 24 hours. Note: Replaced by activity_large_event in Wave 11 C0_5 2020-04-23 to 2021-06-18
public_transit_1d Respondents who used public transit in the past 24 hours. Note: Replaced by activity_public_transit in Wave 11 C0_6 2020-04-23 to 2021-06-18
food_security Respondents who are very worried or somewhat worried about having enough to eat in the next week. D4 2020-04-23
anxious_7d Respondents who reported feeling nervous for most or all of the time over the the past 7 days. D1 2020-04-23
depressed_7d Respondents who reported feeling depressed most or all of the time over the past 7 days. D2 2020-04-23
worried_become_ill Respondents who reported feeling very or somewhat worried that they or someone in their immediate family might become seriously ill from COVID-19. D3 2020-04-23
pay_test Respondents who pay for the COVID-19 test. B9 2020-06-27 to 2021-06-18
reduce_spending Respondents who report they reduce spending on things they need because of the cost of COVID-19 test. B10 2020-06-27 to 2021-06-18
symp_chills Respondents reporting chills. B1_13 2020-05-07
symp_sleep_changes Respondents reporting changes to sleep. B1_14 2020-11-23
testing_rate Respondents who report they have been tested for COVID-19 in the past 14 days, regardless of their test result. B7 2020-04-23
tested_positive_recent Respondents who report they have tested positive for COVID-19 in a recent test. B8 Note: Item # change to B8a since 2021-05-20 2020-04-23
tested_positive_14d Respondents who report they have been tested positive for COVID-19 in the past 14 days. Note: same as “tested_positive_recent” B7,B8 2020-04-23
symp_fever Respondents reporting fever. B1_1 2020-04-23
symp_cough Respondents reporting cough. B1_2 2020-04-23
symp_diff_breathing Respondents reporting difficulty breathing. B1_3 2020-04-23
symp_fatigue Respondents reporting fatigue. B1_4 2020-04-23
symp_stuffy_nose Respondents reporting stuffy or runny nose. B1_5 2020-04-23
symp_aches Respondents reporting aches or muscle pain. B1_6 2020-04-23
symp_sore_throat Respondents reporting sore_throat. B1_7 2020-04-23
symp_chest_pain Respondents reporting chest pain. B1_8 2020-04-23
symp_nausea Respondents reporting nausea. B1_9 2020-04-23
symp_eye_pain Respondents reporting eye pain. B1_11 2020-04-23
symp_headache Respondents reporting headache. B1_12 2020-04-23
ever_tested Respondents who report they have ever been tested for COVID-19. B6 2020-04-23 to 2021-06-18
sick_spending_time_7d Respondents who spent time with any of these people in the last 7 days (sick with a fever and either a cough or difficulty breathing). B5 2020-04-23 to 2021-06-18
flu_vaccine_thisyr Respondents who had a seasonal flu vaccination since July 1, 2020. C9a 2021-02-05 to 2021-06-18
flu_vaccine_lastyr Respondents who get a flu vaccine between June 2019 and February 2020. C12 2020-11-23 to 2021-06-18
avoid_contact Respondents who intentionally avoiding contact with other people all the time or most of the time. C14 Note: Item # change to C14a since 2021-05-20 2020-11-23
vaccinated_appointment_or_accept Respondents who had a vaccine, an appointment to get vaccinated or who would definitely or probably choosing to get vaccinated if a COVID-19 vaccine was offered to them, out of the respondents who have been vaccinated. V1, V15a, V3a 2021-05-20
appointment_or_accept_covid_vaccine Respondents who have an appointment to get vaccinated or who would definitely or probably choosing to get vaccinated if a COVID-19 vaccine was offered to them, out of the respondents who have not been vaccinated. V15a, V3a 2021-05-20
accept_covid_vaccine_no_appointment Respondents who would definitely or probably choosing to get vaccinated if a COVID-19 vaccine was offered to them. V3a 2021-05-20
appointment_not_vaccinated Respondents who reported having an appointment to receive a COVID-19 vaccine, out of all those that have not been vaccinated. V15a 2021-05-20
vaccine_tried Respondents who reported having tried to get a COVID-19 vaccine, out of all those that have not been vaccinated AND are not hesitant. V16a 2021-05-20
activity_large_event Respondents who attended an event with more than 10 people in the past 24 hours. C0a 2021-05-20
activity_public_transit Respondents who used public transit in the past 24 hours. C0a 2021-05-20
activity_restaurant_bar Respondents who went to a bar, restaurant, or cafe in the past 24 hours. C0a 2021-05-20
activity_shop Respondents who went to a market, grocery store, or pharmacy in the past 24 hours. C0a 2021-05-20
activity_spent_time Respondents who spent time with someone who isn’t currently staying with them in the past 24 hours. C0a 2021-05-20
activity_work_outside_home Respondents who worked outside their home in the past 24 hours. C0a 2021-05-20
cli_w11 Respondents that have reported COVID-like illness (CLI). COVID-like illness: fever, along with cough, shortness of breath, or difficulty breathing. B1_1, B1_2, B1_3 Note: Wave 11 data from 5/20/2021 to 6/7/2021 only. 2021-05-20 to 2021-06-17
ili_w11 Respondents that have reported Influenza-like illness (ILI). Influenza-like illness: fever, along with cough or sore throat. B1_1, B1_2, B1_7 Note:Use Wave 11 data only from 5/20/2021 to 6/7/2021. 2021-05-20 to 2021-06-17
wash_hands_24h_1to2 Respondents who washed their hands 1 to 2 times in the last 24 hours. C7 2020-06-27 to 2021-06-18
had_covid_ever Percentage of people reporting having had COVID-19. B0 2021-05-20
worried_catch_covid Percentage of people worrying either a great deal or a moderate amount about catching COVID-19. G1 2021-05-20
belief_distancing_effective Percentage of people who believe social distancing is either very or moderately effective for preventing the spread of COVID-19. G2 2021-05-20
belief_masking_effective Percentage of people who believe that wearing a face mask is very or moderately effective for preventing the spread of COVID-19. G3 2021-05-20
others_distanced_public Percentage of people who reported that all or most people they saw in public in the last 7 days maintained a distance of at least [1 meter / 6 feet]. H1 2021-05-20
others_masked_public Percentage of people who reported that all or most people they saw in public in the last 7 days wore a mask. H2 2021-05-20
covid_vaccinated_friends Percentage of people who reported that all or most of their friends and family have gotten a COVID-19 vaccine. H3 2021-05-20
belief_vaccinated_mask_unnecessary Percentage of people who indicate that “Getting the COVID-19 vaccine means that you can stop wearing a mask around people outside your household.” is definitely or probably true. I1 2021-05-20
belief_children_immune Percentage of people who indicate that “Children cannot get COVID-19” is definitely or probably true. I2 2021-05-20
belief_no_spread_hot_humid Percentage of people who indicate that “COVID-19 cannot spread in hot and humid climates” definitely or probably true. I8 2021-05-20
received_news_local_health Percentage of respondents reporting having received news about COVID-19 in the past 7 days from local health workers, clinics, and community organizations. I5 2021-05-20
received_news_experts Percentage of respondents reporting having received news about COVID-19 in the past 7 days from scientists and other health experts. I5 2021-05-20
received_news_who Percentage of respondents reporting having received news about COVID-19 in the past 7 days from the World Health Organization (WHO). I5 2021-05-20
received_news_govt_health Percentage of respondents reporting having received news about COVID-19 in the past 7 days from government health authorities or officials. I5 2021-05-20
received_news_politicians Percentage of respondents reporting having received news about COVID-19 in the past 7 days from politicians. I5 2021-05-20
received_news_journalists Percentage of respondents reporting having received news about COVID-19 in the past 7 days from journalists. I5 2021-05-20
received_news_friends Percentage of respondents reporting having received news about COVID-19 in the past 7 days from friends and family. I5 2021-05-20
received_news_religious Percentage of respondents reporting having received news about COVID-19 in the past 7 days from religious leaders. I5 2021-05-20
received_news_none Percentage of respondents reporting having received news about COVID-19 in the past 7 days from “None of the above.” I5 2021-05-20
trust_covid_info_local_health Percentage of people who trust COVID info from local health works, clinics, and community organizations. I6_1 2021-05-20
trust_covid_info_experts Percentage of people who trust COVID info from scientists and other health experts. I6_2 2021-05-20
trust_covid_info_who Percentage of people who trust COVID info from the World Health Organization. I6_3 2021-05-20
trust_covid_info_govt_health Percentage of people who trust COVID info from government health authorities. I6_4 2021-05-20
trust_covid_info_politicians Percentage of people who trust COVID info from politicians. I6_5 2021-05-20
trust_covid_info_journalists Percentage of people who trust COVID info from journalists. I6_6 2021-05-20
trust_covid_info_friends Percentage of people who trust COVID info from friends and family. I6_7 2021-05-20
trust_covid_info_religious Percentage of people who trust COVID info from religious leaders. I6_8 2021-05-20
want_info_covid_treatment Percentage of people who say they want more information about the treatment of COVID-19. I7 2021-05-20
want_info_vaccine_access Percentage of people who say they want more information about how to get a COVID-19 vaccine. I7 2021-05-20
want_info_vaccine_types Percentage of people who say they want more information about different types of COVID-19 vaccines. I7 2021-05-20
want_info_covid_variants Percentage of people who say they want more information about variants of COVID-19 (also known as coronavirus mutations). I7 2021-05-20
want_info_children_education Percentage of people who say they want more information about how to support their children’s education. I7 2021-05-20
want_info_economic_impact Percentage of people who say they want more information about the economic impact of COVID-19 to themselves personally. I7 2021-05-20
want_info_mental_health Percentage of people who say they want more information about how to maintain their mental health. I7 2021-05-20
want_info_relationships Percentage of people who say they want more information about how to maintain their social relationships despite physical distancing. I7 2021-05-20
want_info_employment Percentage of people who say they want more information about employment and other economic and financial issues. I7 2021-05-20
want_info_none Percentage of people reporting that they want more information about “None of the above”. I7 2021-05-20
news_online Percentage of people who got news about COVID-19 in the last 7 days from online sources. I9_noneu 2021-05-20
news_messaging Percentage of people who got news about COVID-19 in the last 7 days from messaging apps. I9_noneu 2021-05-20
news_newspaper Percentage of people who got news about COVID-19 in the last 7 days from newspapers. I9_noneu 2021-05-20
news_television Percentage of people who got news about COVID-19 in the last 7 days from television. I9_noneu 2021-05-20
news_radio Percentage of people who got news about COVID-19 in the last 7 days from radio. I9_noneu 2021-05-20
news_none Percentage of people who got news about COVID-19 in the last 7 days from “none of the above”. I9_noneu 2021-05-20
trust_news_online Percentage of people who report trusting online sources to provide accurate news and information about COVID-19. I10_noneu_1 2021-05-20
trust_news_messaging Percentage of people who report trusting messaging apps to provide accurate news and information about COVID-19. I10_noneu_2 2021-05-20
trust_news_newspaper Percentage of people who report trusting newspapers to provide accurate news and information about COVID-19. I10_noneu_3 2021-05-20
trust_news_television Percentage of people who report trusting television to provide accurate news and information about COVID-19. I10_noneu_4 2021-05-20
trust_news_radio Percentage of people who report trusting radio to provide accurate news and information about COVID-19. I10_noneu_5 2021-05-20
vaccinate_children Percentage of respondents with children who report that they will definitely or probably get the vaccine for their children. J2 2021-05-20
delayed_care_cost Percentage of respondents who have not sought medical care in the past year because of cost. K1 2021-05-20
vaccine_barrier_eligible Percentage of people reporting eligibilty requirements is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_no_appointments Percentage of people reporting no appointments available is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_appointment_time Percentage of people reporting that available appointment times did not work for them is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_technical_difficulties Percentage of people reporting that technical difficulties are a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_document Percentage of people reporting that inability to provide required document is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_technology_access Percentage of people reporting that limited access to internet or phone is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_travel Percentage of people reporting that difficulty traveling to vaccination site is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_language Percentage of people reporting that information not in their native language is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_childcare Percentage of people reporting lack of childcare is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_time Percentage of people that report difficulty getting time away from school or work is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_type Percentage of people that report type of vaccine available is a barrier to getting the vaccine. V18a / V18b 2021-05-20
vaccine_barrier_none Percentage of people that report “none of the above” as their barrier to getting the vaccine. V18a / V18b 2021-05-20
try_vaccinate_1m Percentage of people reporting they will try to get the vaccine within a month. V19 2021-05-20
vaccine_barrier_eligible_has Estimated percentage of vaccinated respondents who report eligibility requirements as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_no_appointments_has Estimated percentage of vaccinated respondents who report lack of vaccine or vaccine appointments as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_appointment_time_has Estimated percentage of vaccinated respondents who report available appointment times as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_technical_difficulties_has Estimated percentage of vaccinated respondents who report technical difficulties as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_document_has Estimated percentage of vaccinated respondents who report inability to provide required document as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_technology_access_has Estimated percentage of vaccinated respondents who report limited access to internet or phone as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_travel_has Estimated percentage of vaccinated respondents who report difficulty traveling to vaccination site as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_language_has Estimated percentage of vaccinated respondents who report information not available in native language as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_childcare_has Estimated percentage of vaccinated respondents who report the lack of childcare as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_time_has Estimated percentage of vaccinated respondents who report difficulty getting time away from work or school as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_type_has Estimated percentage of vaccinated respondents who report type of vaccine as a barrier to getting the vaccine V18a 2021-05-20
vaccine_barrier_none_has Estimated percentage of vaccinated respondents who report “None of the above” to the question about barriers to getting the vaccine V18a 2021-05-20
vaccine_barrier_eligible_tried Estimated percentage of respondents who have tried to get the vaccine that report eligibility requirements as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_no_appointments_tried Estimated percentage of respondents who have tried to get the vaccine that report lack of vaccine or vaccine appointments as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_appointment_time_tried Estimated percentage of respondents who have tried to get the vaccine that report available appointment times as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_technical_difficulties_tried Estimated percentage of respondents who have tried to get the vaccine that report technical difficulties as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_document_tried Estimated percentage of respondents who have tried to get the vaccine that report inability to provide required document as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_technology_access_tried Estimated percentage of respondents who have tried to get the vaccine that report limited access to internet or phone as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_travel_tried Estimated percentage of respondents who have tried to get the vaccine that report difficulty traveling to vaccination site as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_language_tried Estimated percentage of respondents who have tried to get the vaccine that report information not available in native language as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_childcare_tried Estimated percentage of respondents who have tried to get the vaccine that report the lack of childcare as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_time_tried Estimated percentage of respondents who have tried to get the vaccine that report difficulty getting time away from work or school as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_type_tried Estimated percentage of respondents who have tried to get the vaccine that report type of vaccine as a barrier to getting the vaccine V18b 2021-05-20
vaccine_barrier_none_tried Estimated percentage of respondents who have tried to get the vaccine that report “None of the above” to the question about barriers to getting the vaccine V18b 2021-05-20
mask_work_outside_home_1d Estimated percentage of respondents who wore mask when worked outside home indoors C0a, C13a 2021-05-20
mask_shop_1d Estimated percentage of respondents who wore mask when shopped indoors C0a, C13a 2021-05-20
mask_restaurant_1d Estimated percentage of respondents who wore mask in restaurant indoors C0a, C13a 2021-05-20
mask_spent_time_1d Estimated percentage of respondents who wore mask when spent time indoors C0a, C13a 2021-05-20
mask_large_event_1d Estimated percentage of respondents who wore mask when at a large event indoors C0a, C13a 2021-05-20
mask_public_transit_1d Estimated percentage of respondents who wore mask when using public transit C0a, C13a 2021-05-20