Table 5 Differential item functioning parameter estimates for the PROMIS social function short forms
Items | DIF test P value | |
|---|---|---|
Age group | Education group | |
Ability to participate in social roles and activities 01 | 0.466 | 0.796 |
Ability to participate in social roles and activities 02 | 0.941 | 0.851 |
Ability to participate in social roles and activities 03 | 0.703 | 0.813 |
Ability to participate in social roles and activities 04 | 0.732 | 0.952 |
Satisfaction with social roles and activities 01 | 0.223 | 0.125 |
Satisfaction with social roles and activities 02 | 0.075 | 0.099 |
Satisfaction with social roles and activities 03 | 0.122 | 0.289 |
Satisfaction with social roles and activities 04 | 0.088 | 0.070 |