highly significantp < 0.0001
The correlation between serum and saliva cortisol using the Salimetrics EIA is highly significant ( r = 0.91, p < 0.0001) (Salimetrics LLC, 2005).
The correlation between serum and saliva cortisol using the Salimetrics EIA is highly significant ( r = 0.91, p < 0.0001) (Salimetrics LLC, 2005).