Global School-based Student Health Survey 2007
Trinidad and Tobago, 2007
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Identification
Survey ID Number
TTO_2007_GSHS_v01_M
Title
Global School-based Student Health Survey 2007
Country
| Name | Country code |
|---|---|
| Trinidad and Tobago | TTO |
Study type
World Health Survey [hh/whs]
Series Information
The Global school-based student health survey (GSHS) is a collaborative surveillance project designed to help countries measure and assess the behavioural risk factors and protective factors in 10 key areas among young people aged 13 to 17 years. The GSHS is a relatively low-cost school-based survey which uses a self-administered questionnaire to obtain data on young people's health behaviour and protective factors related to the leading causes of morbidity and mortality among children and adults worldwide. The GSHS was developed by the World Health Organization (WHO) in collaboration with United Nations' UNICEF, UNESCO, and UNAIDS; and with technical assistance from CDC.
As of December 2011, representatives from more than 107 countries have been trained and 73 countries have completed a GSHS. Twenty-nine countries have been trained but have not conducted their surveys because of insufficient funds, staff turnover, or other in-country barriers. More than 420,000 students have participated in a GSHS survey.
As of December 2011, representatives from more than 107 countries have been trained and 73 countries have completed a GSHS. Twenty-nine countries have been trained but have not conducted their surveys because of insufficient funds, staff turnover, or other in-country barriers. More than 420,000 students have participated in a GSHS survey.
Abstract
This report describes results from the first Global School-based Student Health Survey (GSHS) conducted in Trinidad and Tobago by the Ministry of Health and Ministry of Education from 19-30, April 2007.
The purpose of the GSHS is to provide accurate data on health behaviours and protective factors among students to:
- Help countries develop priorities, establish programmes, and advocate for resources for school health and youth health programmes and policies;
- Establish trends in the prevalence of health behaviours and protective factors by country for use in evaluation of school health and youth health promotion; and
- Allow countries, international agencies, and others to make comparisons across countries and within countries regarding the prevalence of health behaviours and protective factors
The purpose of the GSHS is to provide accurate data on health behaviours and protective factors among students to:
- Help countries develop priorities, establish programmes, and advocate for resources for school health and youth health programmes and policies;
- Establish trends in the prevalence of health behaviours and protective factors by country for use in evaluation of school health and youth health promotion; and
- Allow countries, international agencies, and others to make comparisons across countries and within countries regarding the prevalence of health behaviours and protective factors
Kind of Data
Sample survey data [ssd]
Unit of Analysis
Students aged 13-15 years
Version
Version Description
- v01: Edited, anonymous datasets for public distribution.
Scope
Notes
The 2007 Trinidad and Tobago GSHS measured alcohol and other drug use; sexual behaviours that contribute to HIV infections, other STIs, and unintended pregnancies; unintentional injuries and violence; hygiene; dietary behaviours and overweight; physical activity; tobacco use; mental health; and protective factors.
Coverage
Geographic Coverage
National coverage
Universe
Students in the age group 13-15 years
Producers and sponsors
Primary investigators
| Name | Affiliation |
|---|---|
| Ministry of Health | |
| Ministry of Education | |
| Centers for Disease Control and Prevention | |
| Pan American Health Organization | World Health Organization |
Producers
| Name |
|---|
| United Nations Children's Fund |
| United Nations Educational, Scientific and Cultural Organization |
| Joint United Nations Programme on HIV/AIDS |
Funding Agency/Sponsor
| Name | Abbreviation | Role |
|---|---|---|
| World Health Organization | WHO | Financial and Technical Assistance |
| Centers for Disease Control and Prevention | CDC | Financial and Technical Assistance |
Other Identifications/Acknowledgments
| Name |
|---|
| Tobago House of Assembly |
Sampling
Sampling Procedure
The 2007 Trinidad and Tobago GSHS employed a two-stage cluster sample design to produce a representative sample of students in Forms 1-4. The first-stage sampling frame consisted of all schools containing any of Forms 1-4. (25 schools in Trinidad and 7 schools in Tobago). Schools were selected with probability proportional to school enrolment size. 32 schools were selected to participate in the Trinidad and Tobago GSHS.
The second stage of sampling consisted of randomly selecting intact classrooms (using a random start) from each school to participate. All classrooms in each selected school were included in the sampling frame. All students in the sampled classrooms were eligible to participate in the GSHS. Students completed the 66 item self- administered questionnaire during one classroom period. The questionnaire addressed the following areas: respondent demographics, alcohol and other drug use; BMI and dietary behaviours; hygiene-related behaviours; mental health issues; physical activity; protective factors; sexual behaviours that contribute to HIV infection, other STI,and unintended pregnancy; tobacco use; and violence and unintentional injury. Survey procedures were designed to protect students' privacy by allowing for anonymous, confidential, and voluntary participation.
The second stage of sampling consisted of randomly selecting intact classrooms (using a random start) from each school to participate. All classrooms in each selected school were included in the sampling frame. All students in the sampled classrooms were eligible to participate in the GSHS. Students completed the 66 item self- administered questionnaire during one classroom period. The questionnaire addressed the following areas: respondent demographics, alcohol and other drug use; BMI and dietary behaviours; hygiene-related behaviours; mental health issues; physical activity; protective factors; sexual behaviours that contribute to HIV infection, other STI,and unintended pregnancy; tobacco use; and violence and unintentional injury. Survey procedures were designed to protect students' privacy by allowing for anonymous, confidential, and voluntary participation.
Response Rate
The Global School-Based Student Health Survey (GSHS), was completed by 2969 students in 32 schools in Trinidad and Tobago during 2007. The school response rate was 100%, the student response rate was 78%; 2998 of the 3,786 sampled students completed questionnaires The data set was cleaned and edited for inconsistencies (2969 questionnaires were usable after data editing) and the overall response rate was 78%.
Weighting
A weight has been associated with each questionnaire to reflect the likelihood of sampling each student and to reduce bias by compensating for differing patterns of non-response. A weighting factor was applied to each student record to adjust for non-response and for the varying probabilities of selection.
The weighting formula used for calculation was
W1 = the inverse of the probability of selecting the school
W2 = the inverse of the probability of selecting classrooms,
f 1 = a school–level non-response adjustment factor,
f 2 = a student-level non-response adjustment factor calculated by classroom, and
f 3 = a post stratification adjustment factor calculated by sex within grade.
The weighting formula used for calculation was
W1 = the inverse of the probability of selecting the school
W2 = the inverse of the probability of selecting classrooms,
f 1 = a school–level non-response adjustment factor,
f 2 = a student-level non-response adjustment factor calculated by classroom, and
f 3 = a post stratification adjustment factor calculated by sex within grade.
Data Collection
Dates of Data Collection
| Start | End |
|---|---|
| 2007-04-19 | 2007-04-30 |
Data Collection Mode
Face-to-face [f2f]
Data Collection Notes
Survey administration occurred from 19 April 2007 to 30 April 2007. Survey procedures were designed to protect student privacy by allowing for anonymous and voluntary participation. Students completed the self-administered questionnaire during one classroom period and recorded their responses directly on a computer-scannable answer sheet. Approximately, 53 survey administrators were specially trained to conduct the GSHS.
Data Collectors
| Name |
|---|
| Ministry of Health |
| Ministry of Education |
Questionnaires
Questionnaires
The Trinidad and Tobago GSHS questionnaire contained 66 questions, fifty four (54) questions (1-54) were from the core questionnaire modules and twelve (12) questions (55-66) were the core expanded GSHS questions and country–specific questions. The core GSHS questionnaire consists of all core questionnaire addressing the following topics:
- Alcohol and other drug use
- Dietary behaviours
- Hygiene
- Mental health
- Physical activity
- Protective factors
- Sexual behaviours that contribute to HIV infection, other STI, and unintended pregnancy
- Tobacco use
- Violence and unintentional injury
- Alcohol and other drug use
- Dietary behaviours
- Hygiene
- Mental health
- Physical activity
- Protective factors
- Sexual behaviours that contribute to HIV infection, other STI, and unintended pregnancy
- Tobacco use
- Violence and unintentional injury
Data Processing
Data Editing
Missing data were not statistically imputed. Software that takes into consideration the complex sample design was used to compute prevalence estimates and 95% confidence intervals. Computer packages like SUDAAN, SPSS and EPI INFO were used to analyse the data.
Access policy
Contacts
Access conditions
GSHS data release and publication policies and procedures are based on the following guiding principles:
- GSHS data are owned by the official country-level agency (ex. Ministry of Health) conducting or sponsoring the survey.
- Public health and scientific advancement are best served by an open and timely exchange of data and data analyses.
- The privacy of participating schools and students must be protected.
- Data quality must be maintained.
- GSHS data are owned by the official country-level agency (ex. Ministry of Health) conducting or sponsoring the survey.
- Public health and scientific advancement are best served by an open and timely exchange of data and data analyses.
- The privacy of participating schools and students must be protected.
- Data quality must be maintained.
Citation requirements
Use of the dataset must be acknowledged using a citation which would include:
- the Identification of the Primary Investigator
- the title of the survey (including country, acronym and year of implementation)
- the survey reference number
- the source and date of download
Example:
Ministry of Health and Ministry of Education of Trinidad and Tobago, World Health Organization and Centers for Disease Control and Prevention. Trinidad and Tobago Global School-based Student Health Survey (GSHS) 2007, Ref. TTO_2007_GSHS_v01_M. Dataset downloaded from [url] on [date].
- the Identification of the Primary Investigator
- the title of the survey (including country, acronym and year of implementation)
- the survey reference number
- the source and date of download
Example:
Ministry of Health and Ministry of Education of Trinidad and Tobago, World Health Organization and Centers for Disease Control and Prevention. Trinidad and Tobago Global School-based Student Health Survey (GSHS) 2007, Ref. TTO_2007_GSHS_v01_M. Dataset downloaded from [url] on [date].
Access authority
| Name | Affiliation | URL | |
|---|---|---|---|
| Department of Chronic Diseases and Health Promotion | World Health Organization | chronicdiseases@who.int | Link |
Disclaimer and copyrights
Disclaimer
The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.
Metadata production
DDI Document ID
DDI_TTO_2007_GSHS_v01_M_WB
Producers
| Name | Abbreviation | Affiliation | Role |
|---|---|---|---|
| Development Data Group | DECDG | The World Bank | Documentation of the DDI |
Date of Metadata Production
2013-10-18
DDI Document version
Version 01 (October 2013)