2 research outputs found
The influence of chronotype on the body mass index of U.S. college students
Objectives: The relationship between a college student’s chronotype and body mass index (BMI) is important to understand for university decision makers who want to build healthy and inclusive academic communities. This study aimed to evaluate how a student’s chronotype influences their BMI.
Material and Methods: Participants were college students from Oral Roberts University (n=384) with a mean age of 18.94 years, a mean BMI of 24.7kg/m2, and a mean morningness-eveningness questionnaire (MEQ) score of 47.65.
Results: BMI values were significantly correlated with both chronotype (r=-.11, β=-.09, p=.03) and age (r=.12, β=.53, p=.02). The rate at which BMI increased with age depended upon the student’s chronotype (β=.81-.005 / MEQ, p=.005). The later the chronotype, the higher the rate of increase. Race had no significant influence on MEQ or BMI values except in the case of students who identified as Black and female. These students were found, on average, to have significantly higher BMI values (p<.01).
Conclusion: For college students, BMI tends to increase over time and at a rate that is dependent upon chronotype. The later the chronotype, the faster the rate at which BMI increases. BMI values were found to be significantly higher for Black females. However, this result is potentially spurious, as BMI does not take into account differences in body composition between genders and race/ethnicity groups
A Search for Low-mass Dark Matter via Bremsstrahlung Radiation and the Migdal Effect in SuperCDMS
In this paper, we present a re-analysis of SuperCDMS data using a profile
likelihood approach to search for sub-GeV dark matter particles (DM) through
two inelastic scattering channels: bremsstrahlung radiation and the Migdal
effect. By considering possible inelastic scattering channels, experimental
sensitivity can be extended to DM masses that would otherwise be undetectable
through the DM-nucleon elastic scattering channel, given the energy threshold
of current experiments. We exclude DM masses down to at
via the bremsstrahlung channel. The Migdal
channel search excludes DM masses down to at .Comment: This paper is being withdrawn due to an error in data selection
during the analysis. Although incorrect, the limits are roughly
representative of the sensitivity. The new corrected version of the result
will be uploaded once read