From: Effect of trauma-informed care on hair cortisol concentration in youth welfare staff and client physical aggression towards staff: results of a longitudinal study
Intervention group
M (SD)
Control group
F (df)
p
η2
T1
.74 (.04)
.77 (.03)
.017
.898
.001
T2
.70 (.05)
.77 (.04)
.069
.794
.003
T3
.72 (.05)
.400
.530
.020
T4
.60 (.06)
.82 (.04)
11.017
.002
.610