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An Epidemiological Investigation on Correct Wearing of Mask by Hood Test

14. oktober 2020 opdateret af: Fuwai Yunnan Cardiovascular Hospital
The purpose of this study was to explore the relationship between the transmission of respiratory diseases and the correct wearing of masks, as well as the factors affecting the correct wearing of masks. The research is beneficial to the prevention of respiratory diseases and moves the barrier of prevention and control forward. It is of great significance to COVID-19 's practical prevention and control.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

  1. Overall design：This study uses the methods of cross-sectional survey and chance sampling.
  2. Sign the Informed Consent Form.
  3. Investigation on the basic situation of personnel: The gender, age and education level of the subjects were analyzed as the factors influencing whether the mask was worn correctly or not.
  4. Investigation on the types of wearing masks： 1) The types of masks worn by the subjects were recorded as the basis of stratified statistics.

2) Mask suitability testing：

  1. Visual inspection whether the mask is close to the face with obvious gaps.
  2. Breathing test Are there any obvious gaps or whether the cotton around the mask is blown when the subject taking a deep breath.
  3. Spray test The FT-30 qualitative fitness test system of 3M company was used to test the suitability and correctness of wearing mask.

In the spray test, all subjects underwent a sensitivity test to prove their ability to smell the bitterness of the reagent, and then sensitive subjects can participate in the hood test..

In order to objectively reflect the overall situation of the subjects, it is necessary to cover many ages and educational levels of men and women.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

6000

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Kina
    • Beijing
      • Beijing, Beijing, Kina, 100037
        • Fuwai hospital, Beijing
    • Jiangsu
      • Taizhou, Jiangsu, Kina, 225300
        • Taizhou Health Bureau
    • Shanxi
      • Jinzhong, Shanxi, Kina, 032005
        • Bin Health Wen
      • Yuncheng, Shanxi, Kina, 043700
        • Yuanqu Health Bureau
    • Yunnan
      • Kunming, Yunnan, Kina, 655601
        • Fuwai Yunnan Cardiovascular Hospital
      • Qujing, Yunnan, Kina, 655601
        • Luliang Health Bureau
      • Qujing, Yunnan, Kina, 655700
        • Shizong Health Bureau
      • Qujing, Yunnan, Kina, 655816
        • Luoping Health Bureau

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

7 år og ældre (Barn, Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Sandsynlighedsprøve

Studiebefolkning

Those who are 7 years old or above, have the ability of autonomous behavior and language expression, are willing to take the test.

Beskrivelse

Inclusion Criteria:

  1. Healthy people with autonomous behavior ability and language expression ability who are older than or equal to 7 years old, Persons under the age of 18 need to obtain the consent of their legal guardians；
  2. The subjects and / or their legal guardians have the ability to understand the contents of the study and to participate in all the research processes with the subjects；
  3. People who volunteered to take part in the study；
  4. There was no respiratory infection in nearly one month.

Exclusion Criteria:

  1. People with a history of allergies, including those who are allergic to pollen, dust mites, etc；
  2. People with any history of drug allergy；
  3. People who have participated in the experiment are not allowed to participate in this study for the second time;
  4. Pregnant women；
  5. The healer after COVID-19 's infection；
  6. After questioning, it was found that the subjects were the factors that affected the study, such as dysosmia, or those who had decreased olfactory ability due to disease, or facial paralysis, which affected the judgment of the test；
  7. Those who are participating in clinical trials of other drugs / devices；
  8. Subjects with poor compliance or unwilling to cooperate with the operation as required；
  9. The researchers believe that any other situation that may affect the evaluation of the study.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Can't fell bitterness
  1. The subject wears a mask and a hood, opens his/her mouth to breathe, and sticks out his/her tongue properly. Using the fitness test reagent to spray into the hood, the number of sprays should be the same as that of the sensitivity test.
  2. Record whether the subject feels bitterness, if there is no feeling, the test is over.
Can fell bitterness
  1. The subject wears a mask and a hood, opens his/her mouth to breathe, and sticks out his/her tongue properly. Using the fitness test reagent to spray into the hood, the number of sprays should be the same as that of the sensitivity test.
  2. Record whether the subject feels bitterness, If there is a sensation, put the adhesive strip on the upper edge of the subject's mask and put on the hood to carry out the above fitness test again.
  3. Record whether the subject feels bitterness, if not, the test is over. If there is any sensation, ask the subject to change to a medical surgical mask, and put an adhesive strip on the upper edge of the mask, and put on the hood to carry out the above fitness test again.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
kan eller kan ikke falde bitterhed
Tidsramme: Umiddelbart efter sprøjtetest

Når motivet føles bittert, betyder det, at masken ikke passer godt til motivets ansigt.

Hvis forsøgspersonerne ikke føler sig bitre hele tiden, betyder det, at masken passer til forsøgspersonernes ansigt og kan bæres.
Umiddelbart efter sprøjtetest

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Fuwai Yunnan Cardiovascular Hospital

Efterforskere

  • Ledende efterforsker: Lin Duo, Fuwai Yunnan Cardiovascular Hospital

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

19. juni 2020

Primær færdiggørelse (Faktiske)

31. august 2020

Studieafslutning (Faktiske)

31. august 2020

Datoer for studieregistrering

Først indsendt

30. juli 2020

Først indsendt, der opfyldte QC-kriterier

30. juli 2020

Først opslået (Faktiske)

4. august 2020

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

19. oktober 2020

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

14. oktober 2020

Sidst verificeret

1. oktober 2020

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 2020-KZLXB-02-02

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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