Diurnal Cortisol Rhythm in Female Flight Attendants

Małgorzata Radowicka, Bronisława Pietrzak and Mirosław Wielgoś
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Małgorzata Radowicka: Department of Obstetrics and Gynecology, Medical University of Warsaw, 02-015 Warsaw, Poland
Bronisława Pietrzak: Department of Obstetrics and Gynecology, Medical University of Warsaw, 02-015 Warsaw, Poland
Mirosław Wielgoś: Department of Obstetrics and Gynecology, Medical University of Warsaw, 02-015 Warsaw, Poland

IJERPH, 2021, vol. 18, issue 16, 1-10

Abstract: The work of flight attendants is associated with exposure to long-term stress, which may cause increased secretion of cortisol. The aim of the study is to determine the circadian rhythm of cortisol and to seek factors of potential influence on the secretion of cortisol in female flight attendants working within one time zone as well as on long-distance flights. The prospective study covers 103 women aged 23–46. The study group (I) was divided into two subgroups: group Ia, comprising female flight attendants flying within one flight zone, and group Ib, comprising female flight attendants working on long-distance flights. The control group (II) are women of reproductive age who sought medical assistance due to marital infertility in whom the male factor was found to be responsible for problems with conception in the course of the diagnostic process. The assessment included: age, BMI, menstrual cycle regularity, the length of service, the frequency of flying, diurnal profile of the secretion of cortisol, testosterone, estradiol, 17-OH progesterone, SHBG, androstenedione, and progesterone concentration. Descriptive methods and inferential statistics methods were used to compile the data. Comparing the profile of flight attendants from groups Ia and Ib shows that the curve flattened among women flying within one time zone. The secretion curve is also more flattened in women with less years worked and in flight attendants working less than 60 h per month. Due to the character of work, the female flights attendants do not have hypersecretion of cortisol. Frequency of flying and length of work affect the dysregulation of HPA axis.

Keywords: cortisol; shift work; flight attendants; cortisol curve (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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