Table 4 DIF summary (Age) of the eight items of PMH-Scale
From: Psychometric evaluation of the Positive Mental Health (PMH) scale using item response theory
Items/ super items | Uniform DIF for Age | Non-Uniform DIF for Age | ||||||
|---|---|---|---|---|---|---|---|---|
M | F | DF | Prob | M | F | DF | Prob | |
s1_2 | 9.46 | 10.74 | 1 | 0.001 | 0.14 | 0.16 | 5 | 0.978 |
s3_4 | 0.09 | 0,12 | 1 | 0.730 | 2.19 | 3.06 | 5 | 0.010 |
s6_7 | 1.44 | 1.58 | 1 | 0.210 | 1.66 | 1.82 | 5 | 0.108 |
i5 | 9.80 | 12.87 | 1 | 0.000 | 0.18 | 0.23 | 5 | 0.948 |
i8 | 0.30 | 0.43 | 1 | 0.512 | 0.56 | 0.80 | 5 | 0.547 |