Tendências e diversidade na utilização empírica do Modelo Demanda-Controle de Karasek (estresse no trabalho): uma revisão sistemática

Abstract

Introduction: Karasek's demand-control mo-

The demand-control model for job strain: a commentary on different ways to operationalize the exposure variable

“…Some authors use the means for the study population or national means. Others set the percentage arbitrarily (most commonly 20%) 10 for the high-risk group (high job strain), but the most widely used way is still the median 4 , all defined as a function of distribution in the population. Use of the ratio may also fail to adequately classify exposure, since division of the two numbers may produce the same result when it actually represents different demand and control situations.…”

“…A recent review of the theme identified a wide variety of ways to use available instruments and to define and operationalize the target exposure, which could help explain the inconsistency in results between the various studies 4 . Exposure -high job strain -has been defined by quadrants (combining high demand and low control), the ratio between demand and control, the logarithm of the ratio, the interaction term between demand and control scores, and the subtraction between demand and control scores, among others 4 .…”

“…Exposure -high job strain -has been defined by quadrants (combining high demand and low control), the ratio between demand and control, the logarithm of the ratio, the interaction term between demand and control scores, and the subtraction between demand and control scores, among others 4 . The outcomes studied with this theoretical model feature cardiovascular diseases and their risk factors, such as arterial hypertension 4 . The results have also been inconclusive, since different meta-analyses have reached diverging conclusions 5,6 .…”

“…The results have also been inconclusive, since different meta-analyses have reached diverging conclusions 5,6 . One possible explanation lies in the great variation in the definition of exposure 4,7 .…”

Validação de conteúdo das definições operacionais da não adesão ao tratamento da hipertensão arterial Content validation of the operational definitions of non-acceptance to hypertension treatment

“…11 However, research indicates that the relationship between stress and hypertension is not yet fully understood and requires longitudinal studies for the consolidation of such information. 12 The 12º operational definition (low household income for the purchase of medicines and healthy lifestyle) had an adequate IVCi, but not enough to validate it.…”