Assessment of differential item functioning in the Perceived Stress Scale-10.

0.01 (˛0.03, 0.04) 2.4/2.5 ˛0.03 (˛0.07, 0.01) 2.4/2.5 0.02 (˛0.02, 0.05) 2.5/2.4 2 . . .unable to control the important things . . . 0.01 (˛0.02, 0.05) 2.3/2.3 ˛0.03 (˛0.07, 0.01) 2.3/2.3 0.01 (˛0.03, 0.04) 2.3/2.3 3 . . .felt nervous and “stressed” 0.07 (0.03, 0.10) 2.8/2.7 0.09 (0.05, 0.13) 2.8/2.5 0.09 (0.05, 0.12) 2.9/2.7 4 . . .dealt successfully with irritating life hassles 0.02 (˛0.02, 0.06) 1.8/1.8 0.05 (0.01, 0.08) 1.9/1.7 ˛0.04 (˛0.07, 0.00) 1.7/1.8 5 ...ineVectively coping with important changes . . . ˛0.03 (˛0.06, 0.01) 2.2/2.3 0.03 (˛0.01, 0.07) 2.2/2.2 ˛0.02 (˛0.05, 0.02) 2.2/2.3 6 . . .felt confident about your ability to handle personal problems 0.04 (0.01, 0.08) 2.3/2.3 ˛0.03 (˛0.07, 0.01) 2.3/2.3 ˛0.02 (˛0.06, 0.01) 2.3/2.3