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Zahali, Zunura’in, Mitra, Amal, Abd Rashid, Ainaa Almardhiyah, Jan Mohamed, Hamid Jan. (1399). Serum Cotinine and Passive Smoking Status Associated with Non-Smoking Newly Diagnosed Women with Breast Cancer in Malaysia. سامانه مدیریت نشریات علمی, 12(1), 87-96. doi: 10.30476/mejc.2020.82353.1083
Zunura’in Zahali; Amal K. Mitra; Ainaa Almardhiyah Abd Rashid; Hamid Jan Jan Mohamed. "Serum Cotinine and Passive Smoking Status Associated with Non-Smoking Newly Diagnosed Women with Breast Cancer in Malaysia". سامانه مدیریت نشریات علمی, 12, 1, 1399, 87-96. doi: 10.30476/mejc.2020.82353.1083
Zahali, Zunura’in, Mitra, Amal, Abd Rashid, Ainaa Almardhiyah, Jan Mohamed, Hamid Jan. (1399). 'Serum Cotinine and Passive Smoking Status Associated with Non-Smoking Newly Diagnosed Women with Breast Cancer in Malaysia', سامانه مدیریت نشریات علمی, 12(1), pp. 87-96. doi: 10.30476/mejc.2020.82353.1083
Zahali, Zunura’in, Mitra, Amal, Abd Rashid, Ainaa Almardhiyah, Jan Mohamed, Hamid Jan. Serum Cotinine and Passive Smoking Status Associated with Non-Smoking Newly Diagnosed Women with Breast Cancer in Malaysia. سامانه مدیریت نشریات علمی, 1399; 12(1): 87-96. doi: 10.30476/mejc.2020.82353.1083

Serum Cotinine and Passive Smoking Status Associated with Non-Smoking Newly Diagnosed Women with Breast Cancer in Malaysia

Middle East Journal of Cancer
مقاله 9، دوره 12، شماره 1 - شماره پیاپی 45، فروردین 2021، صفحه 87-96    اصل مقاله (454.21 K)
نوع مقاله: Original Article(s)
شناسه دیجیتال (DOI): 10.30476/mejc.2020.82353.1083
نویسندگان
Zunura’in Zahali1؛ Amal K. Mitra2؛ Ainaa Almardhiyah Abd Rashid1؛ Hamid Jan Jan Mohamed* 1
1Nutrition and Dietetics Program, School of Health Sciences, Universiti Sains Malaysia, Malaysia
2Department of Epidemiology and Biostatistics, School of Public Health, Jackson State University, Jackson, Mississippi, USA
چکیده
Background: Evidence shows that exposure to passive smoking increases the risk of breast cancer. However, there is a lack of data on the role of serum cotinine level among passive smoker women with breast cancer. The purpose of this study was to investigate the association of serum cotinine level and passive smoking exposure with the risk of breast cancer.
Method: We conducted this case-control study on 78 women with newly diagnosed breast cancer and 83 healthy women, aged 21 to 59 years. Neither cases nor controls were ever smokers in their lifetime. The serum cotinine level, as a biological marker of secondhand smoking, was assessed among women exposed to passive smoking.
Results: The mean serum cotinine concentrations were higher among cases compared to controls although the difference was not statistically significant (4.6 ± 3.5 ng/mL vs. 2.8 ± 2.2 ng/mL, respectively, P = 0.059). However, serum cotinine significantly increased the risk of breast cancer (OR = 1.22; 95% CI = 1.02, 1.48, P = 0.034). Exposure to passive smoking at home and exposure from a smoker husband increased the risk of breast cancer compared with those with no exposure (OR = 2.17; 95% CI = 1.15, 4.08, P = 0.016; and OR = 2.67; 95% CI = 1.35, 5.29, P = 0.005, respectively).
Conclusion: Serum cotinine levels and passive smoking exposure appeared to be independent risk factors associated with the development of breast cancer.
کلیدواژه‌ها
Breast cancer؛ Cotinine؛ Passive smoker؛ Newly-diagnosed؛ Women
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How to cite this article:

Zahali Z, Mitra AK, Abd Rashid AA, Jan Mohamed. Serum cotinine and passive smoking status associated with non-smoking newly diagnosed women with breast cancer in Malaysia. Middle East J Cancer. 2021; 12(1):87-96. doi:10.30476/mejc. 2020.82353.1083.

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