However, especially for education and paternal occupation reverse causation is unlikely as the former is a stable indicator of socioeconomic status across the life course and the latter of the participants' childhood.
Other published studies also showed that cyanosis is not a stable indicator that patients will have behavioural and emotional problems.
32 As economic difficulties cannot be conceptualised as a direct proxy for income and the effects of income have previously been shown to attenuate after considering further key socioeconomic circumstances, 6 one might have assumed that for example housing tenure as a more stable indicator of wealth would contribute to the associations.
The GS is plant-based and therefore reflects high spatial variability, while the LGP is based on the physical environment, such as soils, and is a more stable indicator.
Since PAI-1 is a more stable indicator of fibrinolysis, as compared to t-PA, whose concentration peaks during CPB, we determined PAI-1 before the operation and t-PA/PAI-1 complex after the surgery [ 23] as well as their associations with postoperative blood loss 24 hours after the surgery.
Negative affect may serve as a common final pathway for multiple psychological stressors, possibly providing a more stable indicator of cumulative stress and susceptibility (Kubzansky et al. 2000; Seeman et al. 2002).
HbA1c as a continuous variable incorporates glucose levels over a longer period of time and can therefore be considered a more stable indicator of plasma glucose status, which is less vulnerable to acute perturbations around the time of testing.
However, consistent with other studies [ 15, 36], we found that dust serves as a stable matrix and indicator of potential indoor exposure for some pesticides.
Some sources propose RBC folate a more stable indicator of folate sufficiency because of its intracellular confinement.
Therefore, education was considered to be a more stable indicator of socioeconomic status in this particular group.
