Circadian Rhythm of Wrist Temperature among Shift Workers in South Korea: A Prospective Observational Study
AbstractBackground: Human body temperature varies with circadian rhythm. To determine the effect of shift work on the circadian rhythm of the distal-skin temperature, wrist temperatures were measured. Methods: Wrist-skin temperatures were measured by an iButton® Temperature Logger. It was measured every 3 min for two and eight consecutive working days in the day and shift workers, respectively. Mesor, amplitude, and acrophase were measured by Cosinor analysis. Results: The shift-worker amplitude dropped significantly as the night shift progressed (0.92 to 0.85 °C), dropped further during rest (0.69 °C), and rose during the morning-shift days (0.82 °C). Day workers still had higher amplitudes (0.93 °C) than the morning-shift workers. The acrophase was delayed during the four night-shift days, then advanced during rest days and the morning-shift days. Nevertheless, the morning-shift worker acrophase was still significantly delayed compared to the day workers (08:03 a.m. vs. 04:11 a.m.). Conclusions: The further reduction of wrist-temperature amplitude during rest after the night shift may be due to the signal circadian rhythm disruption. Reduced amplitudes have been reported to be associated with intolerance to shift work. The findings of our study may help to design the most desirable schedule for shift workers. View Full-Text
Scifeed alert for new publicationsNever miss any articles matching your research from any publisher
- Get alerts for new papers matching your research
- Find out the new papers from selected authors
- Updated daily for 49'000+ journals and 6000+ publishers
- Define your Scifeed now
Jang, T.-W.; Kim, H.; Kang, S.-H.; Choo, S.-H.; Lee, I.-S.; Choi, K.-H. Circadian Rhythm of Wrist Temperature among Shift Workers in South Korea: A Prospective Observational Study. Int. J. Environ. Res. Public Health 2017, 14, 1109.
Jang T-W, Kim H, Kang S-H, Choo S-H, Lee I-S, Choi K-H. Circadian Rhythm of Wrist Temperature among Shift Workers in South Korea: A Prospective Observational Study. International Journal of Environmental Research and Public Health. 2017; 14(10):1109.Chicago/Turabian Style
Jang, Tae-Won; Kim, Hyunjoo; Kang, Suk-Hoon; Choo, Sang-Hyo; Lee, In-Seok; Choi, Kyung-Hwa. 2017. "Circadian Rhythm of Wrist Temperature among Shift Workers in South Korea: A Prospective Observational Study." Int. J. Environ. Res. Public Health 14, no. 10: 1109.
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.