Neuroendocrine recovery after 2-week 12-h day and night shifts: an 11-day follow-up

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Neuroendocrine recovery after 2-week 12-h day and night shifts : an 11-day follow-up. / Merkus, Suzanne L; Holte, Kari Anne; Huysmans, Maaike A; Hansen, Åse Marie; van de Ven, Peter M; van Mechelen, Willem; van der Beek, Allard J.

In: International Archives of Occupational and Environmental Health, Vol. 88, No. 2, 02.2015, p. 247-257.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Merkus, SL, Holte, KA, Huysmans, MA, Hansen, ÅM, van de Ven, PM, van Mechelen, W & van der Beek, AJ 2015, 'Neuroendocrine recovery after 2-week 12-h day and night shifts: an 11-day follow-up', International Archives of Occupational and Environmental Health, vol. 88, no. 2, pp. 247-257. https://doi.org/10.1007/s00420-014-0954-5

APA

Merkus, S. L., Holte, K. A., Huysmans, M. A., Hansen, Å. M., van de Ven, P. M., van Mechelen, W., & van der Beek, A. J. (2015). Neuroendocrine recovery after 2-week 12-h day and night shifts: an 11-day follow-up. International Archives of Occupational and Environmental Health, 88(2), 247-257. https://doi.org/10.1007/s00420-014-0954-5

Vancouver

Merkus SL, Holte KA, Huysmans MA, Hansen ÅM, van de Ven PM, van Mechelen W et al. Neuroendocrine recovery after 2-week 12-h day and night shifts: an 11-day follow-up. International Archives of Occupational and Environmental Health. 2015 Feb;88(2):247-257. https://doi.org/10.1007/s00420-014-0954-5

Author

Merkus, Suzanne L ; Holte, Kari Anne ; Huysmans, Maaike A ; Hansen, Åse Marie ; van de Ven, Peter M ; van Mechelen, Willem ; van der Beek, Allard J. / Neuroendocrine recovery after 2-week 12-h day and night shifts : an 11-day follow-up. In: International Archives of Occupational and Environmental Health. 2015 ; Vol. 88, No. 2. pp. 247-257.

Bibtex

@article{d6c030af42664a9b973f1f74d23ae5e3,
title = "Neuroendocrine recovery after 2-week 12-h day and night shifts: an 11-day follow-up",
abstract = "PURPOSE: The study aimed to investigate the course and duration of neuroendocrine recovery after 2-week 12-h day and night shift working periods and to study whether there were differences in recovery between the shift groups.METHODS: Twenty-nine male offshore employees working 2-week 12-h shift tours participated in the study; 15 participated after a day shift tour and 14 after a night shift tour. Salivary cortisol was assessed at awakening, 30 min after awakening, and before bedtime on the 1st, 4th, 7th, and 11th day of the free period, with a reference day prior to the offshore tour. Differences were tested using generalised estimating equations analysis.RESULTS: Compared to the reference day, night shift workers had a significantly flatter cortisol profile on the 1st day off, significantly lower cortisol concentrations at 30 min after awakening on day 4 and at awakening on day 7, and a significantly smaller decline to evening concentration on days 4 and 11. Compared to the reference day, day shift workers only showed a significantly lower cortisol concentration at awakening on the 1st day off. Compared to day workers, night shift workers had a flatter profile on the 1st day off and a lower cortisol concentration at awakening on the 4th day.CONCLUSIONS: Following 2-week 12-h night shift working periods, recovery was not fully complete up to day 11. Following 2-week 12-h day shift working periods, an indication of incomplete recovery was found on the 1st day off, with full recovery reached on day 4.",
author = "Merkus, {Suzanne L} and Holte, {Kari Anne} and Huysmans, {Maaike A} and Hansen, {{\AA}se Marie} and {van de Ven}, {Peter M} and {van Mechelen}, Willem and {van der Beek}, {Allard J}",
year = "2015",
month = "2",
doi = "10.1007/s00420-014-0954-5",
language = "English",
volume = "88",
pages = "247--257",
journal = "International Archives of Occupational and Environmental Health",
issn = "0340-0131",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - Neuroendocrine recovery after 2-week 12-h day and night shifts

T2 - an 11-day follow-up

AU - Merkus, Suzanne L

AU - Holte, Kari Anne

AU - Huysmans, Maaike A

AU - Hansen, Åse Marie

AU - van de Ven, Peter M

AU - van Mechelen, Willem

AU - van der Beek, Allard J

PY - 2015/2

Y1 - 2015/2

N2 - PURPOSE: The study aimed to investigate the course and duration of neuroendocrine recovery after 2-week 12-h day and night shift working periods and to study whether there were differences in recovery between the shift groups.METHODS: Twenty-nine male offshore employees working 2-week 12-h shift tours participated in the study; 15 participated after a day shift tour and 14 after a night shift tour. Salivary cortisol was assessed at awakening, 30 min after awakening, and before bedtime on the 1st, 4th, 7th, and 11th day of the free period, with a reference day prior to the offshore tour. Differences were tested using generalised estimating equations analysis.RESULTS: Compared to the reference day, night shift workers had a significantly flatter cortisol profile on the 1st day off, significantly lower cortisol concentrations at 30 min after awakening on day 4 and at awakening on day 7, and a significantly smaller decline to evening concentration on days 4 and 11. Compared to the reference day, day shift workers only showed a significantly lower cortisol concentration at awakening on the 1st day off. Compared to day workers, night shift workers had a flatter profile on the 1st day off and a lower cortisol concentration at awakening on the 4th day.CONCLUSIONS: Following 2-week 12-h night shift working periods, recovery was not fully complete up to day 11. Following 2-week 12-h day shift working periods, an indication of incomplete recovery was found on the 1st day off, with full recovery reached on day 4.

AB - PURPOSE: The study aimed to investigate the course and duration of neuroendocrine recovery after 2-week 12-h day and night shift working periods and to study whether there were differences in recovery between the shift groups.METHODS: Twenty-nine male offshore employees working 2-week 12-h shift tours participated in the study; 15 participated after a day shift tour and 14 after a night shift tour. Salivary cortisol was assessed at awakening, 30 min after awakening, and before bedtime on the 1st, 4th, 7th, and 11th day of the free period, with a reference day prior to the offshore tour. Differences were tested using generalised estimating equations analysis.RESULTS: Compared to the reference day, night shift workers had a significantly flatter cortisol profile on the 1st day off, significantly lower cortisol concentrations at 30 min after awakening on day 4 and at awakening on day 7, and a significantly smaller decline to evening concentration on days 4 and 11. Compared to the reference day, day shift workers only showed a significantly lower cortisol concentration at awakening on the 1st day off. Compared to day workers, night shift workers had a flatter profile on the 1st day off and a lower cortisol concentration at awakening on the 4th day.CONCLUSIONS: Following 2-week 12-h night shift working periods, recovery was not fully complete up to day 11. Following 2-week 12-h day shift working periods, an indication of incomplete recovery was found on the 1st day off, with full recovery reached on day 4.

U2 - 10.1007/s00420-014-0954-5

DO - 10.1007/s00420-014-0954-5

M3 - Journal article

C2 - 24974161

VL - 88

SP - 247

EP - 257

JO - International Archives of Occupational and Environmental Health

JF - International Archives of Occupational and Environmental Health

SN - 0340-0131

IS - 2

ER -

ID: 128643567