Key result
Female students in the Russian North exhibited significantly higher emotional excitability scores (43.4 vs 38.5, p<0.001) and greater parasympathetic regulation of heart rhythm compared to male students.
Cross-Sectional (n=1,508)
Yes
Mean Difference: 4.9
Absolute Event Rate: 43.4% vs 38.5%
p-value: p=<0.001
In young people living in northern Russia, emotional excitability and autonomic regulation exhibit significant gender and latitudinal differences, with females showing higher emotionality linked to parasympathetic regulation.
Gender differences in emotional excitability and autonomic tone warrant consideration in northern youth evaluations; leaves open links to cardiovascular outcomes.
Manifestations of emotional excitability, the vegetative status and regulation of the heart rhythm in inhabitants of the North of Russia, students (n = 1 370, 853 girls and 517 young men aged 17-22 years, the North Group) and inhabitants of the Polar region, students of Vorkuta (n = 138, 79 girls and 59 young men, the Polar Group) have been studied. There were determined: emotional excitability (ЕЕ) by means of the Russian prototype «Scale of Emotional Arousability» (Braithwaite, 1987), the heat rate variability on the basis of registration of 500 ECG cycles with use of the computerized complex «REO-32» (firm "Micar", Russia), direct and calculated parameters of the system haemodynamics. The EE analysis has shown that the girls were described by higher manifestations of general emotionality, expressiveness of anger, shyness, absence of emotions control and, in aggregate, emotional excitability in comparison with the young men. Bigger dependence of the EE level on prevalence of mechanisms of parasympathetic regulation for the girls, rather than for young men has been established. It has been shown, that the level of neurotism among the youth of the Far North was stipulated not only by the gender dependence, but also by the north-latitude dependence.
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Bocharov et al. (2015) conducted a cross-sectional in Healthy young adults (n=1,508). Female gender vs. Male gender was evaluated on Emotional excitability score (SEA) in the North group (MD 4.9, p=<0.001). Female students in the Russian North exhibited significantly higher emotional excitability scores (43.4 vs 38.5, p<0.001) and greater parasympathetic regulation of heart rhythm compared to male students.
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