SELF-REPORTED EXPOSURE TO SECOND-HAND TOBACCO SMOKE AND LUNG FUNCTION IN UNDERGRADUATE MALE MEDICAL STUDENTS IN PAKISTAN

  • Huma Saeed Khan CMH Lahore Medical College and Institute of Dentistry https://orcid.org/0000-0002-3855-5154
  • Naveen Siddique Sheikh CMH-Lahore Medical College and Institute of Dentistry https://orcid.org/0000-0002-8549-2029
  • Maria Muhammad Ayub Lahore University of Management Sciences
  • Mehak Tariq CMH Lahore Medical College and Institute of Dentistry
  • Sidra Zahid CMH Lahore Medical College and Institute of Dentistry
  • Farida Hafeez CMH Lahore Medical College and Institute of Dentistry
Keywords: passive smoking, environmental tobacco smoke, second-hand smoke, PEFR, peak expiratory flow rate, lung function test

Abstract

Background: Passive smoking, where an individual inhales tobacco smoke, has been associated with many health issues from asthma to cancer and is attributed to affecting pulmonary function tests like the peak expiratory flow rate of individuals. Keeping this in mind, the study was conducted to compare the peak expiratory flow rate of passive smokers with that of non-smokers. Methods: A cross-sectional comparative study was conducted from 2017 to 2019 in which 184 male undergraduate medical students enrolled in the study at the time of admission for each successive year after informed consent. Participants were recruited by non probability consecutive sampling technique and divided into two groups based on status of passive smoking, passive smokers (n=97) and non-smokers (n=87). Their height, weight, waist to hip ratio, and peak expiratory flow rate were recorded. The recorded data was analysed on SPSS-26. Results: The current study showed that 52.7% of the study participants were passive smokers and 47.3% were non-smokers. A significant difference (p<0.01) of peak expiratory flow rate was seen between non-smokers and passive smokers on the Mann-Whitney U Test. As observed by mean ranks, nonsmokers had a higher peak expiratory flow rate (109.86 L/min) than passive smokers (76.93 L/min) (p=0.01). Spearman’s Rank Correlation Coefficient revealed a positive significant relationship between peak expiratory flow rate and height in passive smokers (rho=0.21, p=0.04). Conclusion: The peak expiratory flow rate of passive smokers is less than that of non-smokers and there is a positive significant relationship between height and peak expiratory flow rate.

Author Biographies

Huma Saeed Khan, CMH Lahore Medical College and Institute of Dentistry

Associate Professor,

Department of Physiology.

Maria Muhammad Ayub, Lahore University of Management Sciences

Clinical Psychologist,

Department of counseling and psychological services,

Office of student affairs, Lahore University of Management Sciences.

Sidra Zahid, CMH Lahore Medical College and Institute of Dentistry

Senior Demonstrator,

Department of Physiology.

Farida Hafeez, CMH Lahore Medical College and Institute of Dentistry

Head of Department (HOD),

Department of Physiology.

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Published
2021-09-30
How to Cite
1.
Khan H, Sheikh N, Ayub M, Tariq M, Zahid S, Hafeez F. SELF-REPORTED EXPOSURE TO SECOND-HAND TOBACCO SMOKE AND LUNG FUNCTION IN UNDERGRADUATE MALE MEDICAL STUDENTS IN PAKISTAN. PJP [Internet]. 30Sep.2021 [cited 18Jan.2022];17(3):32-5. Available from: https://pjp.pps.org.pk/index.php/PJP/article/view/1297

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