Table 1.
BAST item-level properties
| Subscale Items | Infit MNSQ | Outfit MNSQ | Logits Above Mean (0) by Response Category | |
|---|---|---|---|---|
| 4=Often | 5=Very often | |||
| Negative affect | ||||
| Thoughts got stuck in my head | 1.26 | 1.35 | 1-2 | 3-4 |
| I felt guilty | 1.23 | 1.28 | 2-3 | 3-4 |
| I got mad easily | 1.23 | 1.20 | 2-3 | 4-5 |
| Couldn’t let go | 1.13 | 1.10 | 0-1 | 2-3 |
| I did not enjoy activities that are usually important to me. | 0.90 | 0.93 | 2-3 | 3-4 |
| Anxious | 0.92 | 0.90 | 1-2 | 3-4 |
| Worried | 0.89 | 0.84 | 1-2 | 2-3 |
| Stressed | 0.88 | 0.84 | 0-1 | 2-3 |
| Depressed | 0.86 | 0.81 | 2-3 | 3-4 |
| Overwhelmed | 0.71 | 0.81 | 0-1 | 2-3 |
| Executive (Dys)Function * | ||||
| I started activities on my own | 0.95 | 0.95 | 0-1 | 3-4 |
| Finished activities started | 0.74 | 0.75 | 0-1 | 3-4 |
| Planned ahead | 1.18 | 1.14 | 0-1 | 2-3 |
| Able to adapt | 0.83 | 0.83 | 1-2 | 2-3 |
| I was organized | 0.95 | 0.95 | 0-1 | 2-3 |
| Understood effect on others | 1.13 | 1.14 | 1-2 | 2-3 |
| Followed through | 0.73 | 0.76 | 2-3 | - |
| Generate multiple solutions | 1.26 | 1.24 | 1-2 | 1-2 |
| Able to pay attention | 0.99 | 1.01 | - | 1-2 |
| Thought about others’ feelings | 1.18 | 1.18 | 1-2 | 1-2 |
| Fatigue | ||||
| Needed a nap/rest | 1.21 | 1.23 | 1-2 | 2-3 |
| Too tired for physical activities | 1.23 | 1.22 | 1-2 | 3-4 |
| I felt too tired to finish tasks that required thinking | 1.00 | 1.03 | 2-3 | 3-4 |
| I had low energy | 0.81 | 0.87 | 1-2 | 2-3 |
| I felt tired | 0.66 | 0.61 | 0-1 | 1-2 |
| Impulsivity | ||||
| I took unnecessary risks | 0.96 | 0.97 | 1-2 | 2-3 |
| I acted rudely | 0.93 | 0.92 | 1-2 | 3-4 |
| Inappropriate sexual comments | 1.39 | 1.40 | 1-2 | 2-3 |
| Reacted without thinking | 0.97 | 0.96 | - | 0-1 |
| Did unsafe things | 0.76 | 0.81 | 1-2 | 2-3 |
NOTE. Highlighted items are those selected for the BASTmHealth. Items are shortened in the table to convey general meaning, but the full BAST is available for public use at https://eprovide.mapi-trust.org. Selected items, highlighted in gray, are presented fully here.
*
Executive Function responses are reverse scored prior to Rasch analysis, so 3=Sometimes, 4=Rarely, 5=Never. Logits >Mean=0 indicate above average severity strata in that symptom domain; used to select screening items. Logits < Mean of 0 indicate less than average severity in that symptom domain, so are not presented here.