<clinical_study>
  <!-- This xml conforms to an XML Schema at:
    https://clinicaltrials.gov/ct2/html/images/info/public.xsd -->
  <required_header>
    <download_date>ClinicalTrials.gov processed this data on September 20, 2023</download_date>
    <link_text>Link to the current ClinicalTrials.gov record.</link_text>
    <url>https://clinicaltrials.gov/ct2/show/NCT01707355</url>
  </required_header>
  <id_info>
    <org_study_id>HKCTR-1307</org_study_id>
    <nct_id>NCT01707355</nct_id>
  </id_info>
  <brief_title>Effectiveness of Educational Poster to Primary and Secondary Teachers Regarding Emergency Management of Dental Trauma</brief_title>
  <official_title>Effectiveness of Educational Poster to Primary and Secondary Teachers Regarding Emergency Management of Dental Trauma - A Cluster Randomised Controlled Trial</official_title>
  <sponsors>
    <lead_sponsor>
      <agency>The University of Hong Kong</agency>
      <agency_class>Other</agency_class>
    </lead_sponsor>
  </sponsors>
  <source>The University of Hong Kong</source>
  <oversight_info>
    <has_dmc>No</has_dmc>
  </oversight_info>
  <brief_summary>
    <textblock>
      The poster is effective in improving the level of knowledge regarding dental trauma of&#xD;
      primary and secondary schools teachers in Hong Kong.&#xD;
&#xD;
      A cluster randomized controlled trial was conducted in mid May 2011,to test the level of&#xD;
      knowledge regarding dental trauma with two groups, the intervention group with posters and&#xD;
      control group without posters. A questionnaire is used to test the level of knowledge.&#xD;
    </textblock>
  </brief_summary>
  <detailed_description>
    <textblock>
      A cluster randomized controlled trial was conducted in mid May 2011, Hong Kong where no&#xD;
      educational campaign regarding dental trauma targeting on primary and secondary school&#xD;
      teachers was implemented before.&#xD;
&#xD;
      Lists of Primary and secondary schools were requested from the Education Bereau. Schools were&#xD;
      invited to join the study from 1.3.2011 and then randomized to the intervention group and the&#xD;
      control group in the unit of school using computer generated numbers.&#xD;
&#xD;
      All teachers filled in the first questionnaire and send it back to the investigator in 1&#xD;
      week. 3 copies of the same educational poster were given to the intervention schools, these&#xD;
      schools were requested to display them in 1. the medical room 2. staff common room and 3&#xD;
      anywhere that information was usually placed for the teachers. No poster was given to the&#xD;
      control group. After 2 weeks, the posters were removed by the teacher in charge. The same&#xD;
      questionnaire was filled in by all the teachers in both groups and sent back in 1 week. The&#xD;
      data were processed to show whether the poster was effective to improve the knowledge of the&#xD;
      teachers. The study was complied with Declaration of Helsinki and ICH GCP guidelines&#xD;
&#xD;
      Primary outcome measures the score of the questionnaire&#xD;
    </textblock>
  </detailed_description>
  <overall_status>Completed</overall_status>
  <start_date>March 2011</start_date>
  <completion_date type="Actual">July 2011</completion_date>
  <primary_completion_date type="Actual">July 2011</primary_completion_date>
  <phase>N/A</phase>
  <study_type>Interventional</study_type>
  <has_expanded_access>No</has_expanded_access>
  <study_design_info>
    <allocation>Randomized</allocation>
    <intervention_model>Single Group Assignment</intervention_model>
    <primary_purpose>Prevention</primary_purpose>
    <masking>Double (Investigator, Outcomes Assessor)</masking>
  </study_design_info>
  <primary_outcome>
    <measure>questionnaire score</measure>
    <time_frame>2 weeks</time_frame>
    <description>Score - The questionnaire in a related survey - Emergency management of dental trauma: knowledge of Hong Kong primary and secondary school teachers. Young et al. Hong Kong Med J 2012;18:362-70. Chinese and English - 2 sections - 14 questions. - basic demographic information, whether the respondents had received formal first aid training or acquired dental trauma information and whether they thought that they could distinguish deciduous teeth from permanent teeth and management of dental traumatic injuries. The questionnaire was pilot-tested on 81 teachers for length and comprehensibility and was pre-tested before adoption. The face validity was established by expert opinion. The reliability was tested on 41 teachers from a school (14 days), 40 paired questionnaires test-retest reliability, paired t test mean difference between the scores from the 1st and 2nd questionnaires was 0.275. The P value of the t test was 0.4559, The Pearson's product moment correlation coefficient was 0.6887.</description>
  </primary_outcome>
  <number_of_arms>2</number_of_arms>
  <enrollment type="Actual">403</enrollment>
  <condition>Knowledge Regarding Dental Trauma</condition>
  <arm_group>
    <arm_group_label>invention with poster</arm_group_label>
    <arm_group_type>Active Comparator</arm_group_type>
    <description>intervention - poster</description>
  </arm_group>
  <arm_group>
    <arm_group_label>control</arm_group_label>
    <arm_group_type>No Intervention</arm_group_type>
    <description>control - no poster</description>
  </arm_group>
  <intervention>
    <intervention_type>Behavioral</intervention_type>
    <intervention_name>intervention - poster</intervention_name>
    <arm_group_label>invention with poster</arm_group_label>
  </intervention>
  <eligibility>
    <criteria>
      <textblock>
        Inclusion Criteria:&#xD;
&#xD;
          -  The targeted group of this study included teachers working in primary (US grade1-6)&#xD;
             and secondary (US grade 7-12 plus 1 year) schools in Hong Kong, who can read Chinese&#xD;
             or English.&#xD;
&#xD;
        Exclusion Criteria:&#xD;
&#xD;
          -  cannot read English or Chinese&#xD;
      </textblock>
    </criteria>
    <gender>All</gender>
    <minimum_age>18 Years</minimum_age>
    <maximum_age>N/A</maximum_age>
    <healthy_volunteers>Accepts Healthy Volunteers</healthy_volunteers>
  </eligibility>
  <overall_official>
    <last_name>Cecilia Young, BDS MPH</last_name>
    <role>Principal Investigator</role>
    <affiliation>The University of Hong Kong</affiliation>
  </overall_official>
  <location>
    <facility>
      <name>Primary and Secondary Schools</name>
      <address>
        <city>Hong Kong</city>
        <country>Hong Kong</country>
      </address>
    </facility>
  </location>
  <location_countries>
    <country>Hong Kong</country>
  </location_countries>
  <verification_date>October 2012</verification_date>
  <study_first_submitted>October 6, 2012</study_first_submitted>
  <study_first_submitted_qc>October 15, 2012</study_first_submitted_qc>
  <study_first_posted type="Estimate">October 16, 2012</study_first_posted>
  <last_update_submitted>October 15, 2012</last_update_submitted>
  <last_update_submitted_qc>October 15, 2012</last_update_submitted_qc>
  <last_update_posted type="Estimate">October 16, 2012</last_update_posted>
  <responsible_party>
    <responsible_party_type>Principal Investigator</responsible_party_type>
    <investigator_affiliation>The University of Hong Kong</investigator_affiliation>
    <investigator_full_name>Dr. Cecilia Young</investigator_full_name>
    <investigator_title>Dr Cecilia Young</investigator_title>
  </responsible_party>
  <keyword>education, knowledge, poster, dental trauma</keyword>
  <condition_browse>
    <!-- CAUTION:  The following MeSH terms are assigned with an imperfect algorithm            -->
    <mesh_term>Emergencies</mesh_term>
    <mesh_term>Wounds and Injuries</mesh_term>
  </condition_browse>
  <!-- Results have not yet been posted for this study                                          -->
</clinical_study>


download date: ClinicalTrials.gov processed this data on September 20, 2023
link text: Link to the current ClinicalTrials.gov record.
url: https://clinicaltrials.gov/ct2/show/NCT01707355
org study id: HKCTR-1307
nct id: NCT01707355
lead sponsor: 
has dmc: No
The poster is effective in improving the level of knowledge regarding dental trauma of
      primary and secondary schools teachers in Hong Kong.

      A cluster randomized controlled trial was conducted in mid May 2011,to test the level of
      knowledge regarding dental trauma with two groups, the intervention group with posters and
      control group without posters. A questionnaire is used to test the level of knowledge.
A cluster randomized controlled trial was conducted in mid May 2011, Hong Kong where no
      educational campaign regarding dental trauma targeting on primary and secondary school
      teachers was implemented before.

      Lists of Primary and secondary schools were requested from the Education Bereau. Schools were
      invited to join the study from 1.3.2011 and then randomized to the intervention group and the
      control group in the unit of school using computer generated numbers.

      All teachers filled in the first questionnaire and send it back to the investigator in 1
      week. 3 copies of the same educational poster were given to the intervention schools, these
      schools were requested to display them in 1. the medical room 2. staff common room and 3
      anywhere that information was usually placed for the teachers. No poster was given to the
      control group. After 2 weeks, the posters were removed by the teacher in charge. The same
      questionnaire was filled in by all the teachers in both groups and sent back in 1 week. The
      data were processed to show whether the poster was effective to improve the knowledge of the
      teachers. The study was complied with Declaration of Helsinki and ICH GCP guidelines

      Primary outcome measures the score of the questionnaire
allocation: Randomized
intervention model: Single Group Assignment
primary purpose: Prevention
masking: Double (Investigator, Outcomes Assessor)
measure: questionnaire score
time frame: 2 weeks
description: Score - The questionnaire in a related survey - Emergency management of dental trauma: knowledge of Hong Kong primary and secondary school teachers. Young et al. Hong Kong Med J 2012;18:362-70. Chinese and English - 2 sections - 14 questions. - basic demographic information, whether the respondents had received formal first aid training or acquired dental trauma information and whether they thought that they could distinguish deciduous teeth from permanent teeth and management of dental traumatic injuries. The questionnaire was pilot-tested on 81 teachers for length and comprehensibility and was pre-tested before adoption. The face validity was established by expert opinion. The reliability was tested on 41 teachers from a school (14 days), 40 paired questionnaires test-retest reliability, paired t test mean difference between the scores from the 1st and 2nd questionnaires was 0.275. The P value of the t test was 0.4559, The Pearson's product moment correlation coefficient was 0.6887.
arm group label: invention with poster
arm group type: Active Comparator
description: intervention - poster
arm group label: control
arm group type: No Intervention
description: control - no poster
intervention type: Behavioral
intervention name: intervention - poster
arm group label: invention with poster
criteria: 
gender: All
minimum age: 18 Years
maximum age: N/A
healthy volunteers: Accepts Healthy Volunteers
last name: Cecilia Young, BDS MPH
role: Principal Investigator
affiliation: The University of Hong Kong
facility: 
country: Hong Kong
responsible party type: Principal Investigator
investigator affiliation: The University of Hong Kong
investigator full name: Dr. Cecilia Young
investigator title: Dr Cecilia Young
mesh term: Emergencies
mesh term: Wounds and Injuries