Main Organiser

Julius Centre University of Malaya


Department of Social and Preventive Medicine, Faculty of Medicine, University of Malay

Supported by

University of Malaya



Jayadevan Sreedharan, Jayakumary Muttappallymyalil, Elsheba Mathew, Merlin Thomas, Teena Thomas


Gulf Medical University, Ajman, UAE


Objectives: This study aims to assess the knowledge on third-hand smoke among health care professionals in a tertiary care hospital in Ajman, UAE.

Methods: This cross-sectional study was conducted among healthcare professionals in a tertiary care hospital in Ajman, UAE. A pre-tested questionnaire was used for collection of data. Data was analysed using SPSS 19 version.

Results: Among males 95.4% and females 78.5% aware that “yesterdays smoke residue can still harm health of infants and children. 31.8% males and 27.3% females heard about third hand smoking. 36.4% males and 24.4% females aware that third hand smoke harms children. 84.3% females and 90.9% males aware that invisible toxic gases and particles clinging to smoker’s hair and clothes are harmful. 69.8% males and 81.8% females were aware that residual nicotine reacts with ambient nitrous acid to form carcinogenic tobacco specific nitrosamines. The invisible toxic effects of gases and particles clinging to smokers’ hair and clothes particularly harms the toddlers and children was known to 86.4% males and 84.3% females respectively.

Conclusion: Most of the participants in the study were aware that third hand smoking is hazardous. There is a need to create awareness about this relatively new concept to protect the health of the non-smokers.