Endocrine activity in air traffic controllers at work. I. Characterization of cortisol and growth hormone levels during the day

Rose, Robert M.; Jenkins, C. David; Hurst, Michael W.; Livingston, Linda; Hall, Rogers

doi:10.1016/0306-4530(82)90002-6

Cited by 38 publications

(11 citation statements)

References 24 publications

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“…Each subject, however, had a constant time of venipuncture f 3 0 min. Previous publications (10) have shown that there may be both decreases and increases in plasma cortisol levels between 8.30 and 11.00 a.m. After 11.00 a.m., however, we expected a fall of cortisol levels to the late afternoon. We decided to divide the subjects in both groups into 3 subgroups with regard to time of venipuncture, corresponding to the time intervals 8.30 to 11.00 a.m. 11.00 a.m. to 2.00 p.m. and 2.00 to 4.00 p.m.…”

Section: Methodsmentioning

confidence: 52%

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Psycho-Endocrinological Reactions in Female Relatives of Cancer Patients: Effects of an activation programme

Theorell¹,

Häggmark²,

Eneroth³

1987

Acta Oncologica

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Section: Methodsmentioning

confidence: 52%

“…In order to adjust for differences in time of day the period of venipuncture (8.30-11.00 a.m., 11.00 a.m. to 2.00 p.m. and 2.004.00 p.m.). was used as covariate (10). All blood tests were taken in sitting position at the hospital without previous rest.…”

Section: Methodsmentioning

confidence: 99%

Psycho-Endocrinological Reactions in Female Relatives of Cancer Patients: Effects of an activation programme

Theorell¹,

Häggmark²,

Eneroth³

1987

Acta Oncologica

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“…According to physiological theory (6,12,14), conditions associated with a low level of decision latitude and poor social support may result 1 The Swedish Foundation for OccupationalHealth and Safety for State Employees, Norrkoping, Sweden. 2 The National Institute of PsychosocialFactors and Health, Stockholm, Sweden.…”

Section: Is)mentioning

confidence: 99%

Work conditions and urinary excretion of catecholamines--a study of prison staff in Sweden.

Ab¹,

Tp²

1988

Scand J Work Environ Health

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HARENSTAM AB, THEORELL TPG. Work conditions and urinary excretion of catecholamines -A study of prison staff in Sweden. Scand J Work Environ Health 14 (1988) 257-264. The hypothesis to be tested was whether characteristics of work situations affect the physiology of people when the effects of individual differences in medical/behavioral factors are minimized. Four prisons with different objective work conditions were chosen. The psychosocial work situation was recorded in a self-administered questionnaire. Morning plasma cortisol, blood pressure, and urinary excretion of catecholamines were measured. Analyses of variance showed that the four prisons differed significantly as to mean levels of decision latitude and skill discretion. Analyses of variance also showed significant differences between the prisons with regard to mean levelsof noradrenaline at night during leisure time and a tendency towards differencesin work time. The rank order of mean levelsof noradrenaline in the four prisons was the same as the inverted rank order of mean levelsin self-reported work conditions. Thus it seems that when collective data are used and when adjusted for other variables which might have an association with the dependent variables, differences in self-reported work conditions are reflected in the urinary excretion of noradrenaline. Of the three physiological variables used as dependent variables, urinary excretion of noradrenaline reflected arousal as an effect of work conditions more accurately than the other variables.

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“…Hence, there was little novelty associated with the work. There was also little evidence of novelty being studied affecting either the cortisol (7) or blood pressure measures, as values from the first time being studied were not significantly elevated. It would be reasonable to conclude that the ATC studied were actively engaged and involved in their work, but not often very stressed given the fact that the magnitude of changes in workload were repetitive, not usually involving violation of separation standards and were predictable.…”

Section: Discussionmentioning

confidence: 82%

“…The tube containing the blood collected over 20 minutes was changed by the technician and centrifuged, with the plasma frozen for later analysis. Analysis of cortisol levels involves a normalization, achieved by covarying out time of day, to remove the influence of circadian variation (7). This permitted combining values obtained during the day and evening shifts.…”

Section: R M Rose and L F Foggmentioning

confidence: 99%

Definition of a responder: analysis of behavioral, cardiovascular, and endocrine responses to varied workload in air traffic controllers.

Rose

Fogg

1993

Psychosomatic Medicine

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Individual differences in behavioral, cardiovascular, and endocrine responses to varying workload among 381 air traffic controllers were assessed using random regression modeling. Although most men showed significant increases in behavioral arousal associated with increasing planes, there were major individual differences in response in systolic and diastolic blood pressure, heart rate, and cortisol. Approximately 20% to 25% of those studied had large increases in each of these domains, along with a smaller group showing inverse responses in heart rate and cortisol. There was also evidence of a smaller number of enhanced responders within the highest groups, who tended to have more missing values at higher levels of workload. There was convergence in the definition of responders using three statistical strategies: random regression, correlational analyses, and ANOVA. Response in one physiological/behavioral domain was essentially independent of response in another, supporting the conclusion of specificity, rather than a global tendency to respond to increasing work load.

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Endocrine activity in air traffic controllers at work. I. Characterization of cortisol and growth hormone levels during the day

Cited by 38 publications

References 24 publications

Psycho-Endocrinological Reactions in Female Relatives of Cancer Patients: Effects of an activation programme

Psycho-Endocrinological Reactions in Female Relatives of Cancer Patients: Effects of an activation programme

Work conditions and urinary excretion of catecholamines--a study of prison staff in Sweden.

Definition of a responder: analysis of behavioral, cardiovascular, and endocrine responses to varied workload in air traffic controllers.

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