Table 3 Item Level Characteristics for IRT Models (Microaggressions Distress Scale & Experiences of Discrimination scale)

 1. School

23.6%

2.01

(0.34)

0.94

(0.12)

 2. Hiring

19.1%

2.29

(0.41)

1.09

(0.13)

 3. Work

19.1%

1.34

(0.25)

1.41

(0.21)

 4. Housing

10.2%

2.04

(0.40)

1.67

(0.20)

 5. Medical care

12.0%

1.44

(0.28)

1.84

(0.26)

 6. Store/restaurant service

39.0%

2.21

(0.37)

0.36

(0.09)

 7. Loan

9.3%

2.29

(0.46)

1.65

(0.18)

 8. In public

29.5%

2.43

(0.43)

0.66

(0.10)

 9. Police/courts

20.4%

1.78

(0.31)

1.15

(0.15)

 1. Police

21.9%

0.83

(0.20)

1.74

(0.37)

 2. Racist name

22.3%

1.18

(0.24)

1.33

(0.22)

 3. Followed in store

32.4%

0.89

(0.19)

0.96

(0.21)

 4. Mistaken as non-Native

64.7%

0.37

(0.15)

−1.70

(0.71)

 5. Indian in past life/Cherokee princess

55.1%

1.59

(0.28)

−0.18

(0.10)

 6. Spiritual connection

46.5%

1.67

(0.30)

0.13

(0.10)

 7. Lucky to be Indian

54.9%

1.12

(0.20)

−0.22

(0.12)

 8. Asked if real Indian

42.7%

1.85

(0.35)

0.25

(0.09)

 9. Prove authenticity

24.9%

1.28

(0.25)

1.12

(0.18)

 10. Physical attack

2.9%

1.66

(0.50)

2.82

(0.53)