Do adolescents under-report their smoking status? – Findings from secondary school students in Kota Tinggi, Johor
Background: The denormalisation of smoking behavior and anti-smoking measures taken to curb smoking prevalence have created an environment which might contribute to the under-reporting of smoking status among adolescents. The detection of under-reporting is crucial in ascertaining the accuracy of sm...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Community Health Society Malaysia
2017
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| Online Access: | http://psasir.upm.edu.my/id/eprint/56791/1/Do%20adolescents%20under-report%20their%20smoking%20status%20Findings%20from%20secondary%20school%20students%20in%20Kota%20Tinggi%2C%20Johor.pdf http://psasir.upm.edu.my/id/eprint/56791/ http://publichealthmy.org/ejournal/ojs2/index.php/ijphcs/article/view/400 |
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| Summary: | Background: The denormalisation of smoking behavior and anti-smoking measures taken to curb smoking prevalence have created an environment which might contribute to the under-reporting of smoking status among adolescents. The detection of under-reporting is crucial in ascertaining the accuracy of smoking data, therefore this study was undertaken to determine the prevalence of under-reporting of smoking status among school-going adolescents.
Materials and Methods: A total of 405 of 2700 adolescents who participated in a longitudinal study in Kota Tinggi were randomly selected and their exhaled carbon monoxide concentration was measured using a pre-calibrated carbon monoxide (CO) analyzer. The cut-off point of exhaled CO of 5 parts per million (ppm) was used to determine smoking status. A total of 343 adolescents responded (84.69%) in the study, of which 85 smokers and 8 non-smokers with recent respiratory illness were excluded from the analysis.
Results: Of these 250 non-smoking adolescents, 44.6% (115) were male, and 76.4% (197) were in lower secondary school. Analysis showed that the concentration of exhaled CO among 257 adolescents (99.6%) were between 0 - 5.00ppm. In addition, the CO level of all non-smoking females and lower secondary school students were in the range of 0 - 5.00ppm. This study revealed that the under-reporting of smoking status was negligible.
Conclusion: Self-reported smoking status among adolescents can be accepted as valid answers for their smoking status. However, more studies in different localities on a larger scale are warranted to determine that self-reported smoking status is a valid measurement of actual smoking status among adolescents in the country. |
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