state zung_index
Name
trait
Label
Trait Anxiety Score
Description

Sum of 20 items from Trait Anxiety Questionnaire. When there are 2 or less missing, the average of all of the other scores are used to create the sum variable

Calculation
trait = (sum of scores for individual questions)
Type
numeric
Tags
stai stait stait_score
Study visit number vs Trait Anxiety Score
N Mean StdDev Median Min Max Unknown Total
Visit 1 1,122 32.4 ± 8.7 31.0 20.0 68.0 1 1,123
Visit 2 758 31.1 ± 8.0 30.0 20.0 59.0 - 758
Visit 3 566 30.3 ± 7.6 29.0 20.0 61.0 - 566
Visit 4 121 29.3 ± 7.7 28.0 20.0 56.0 - 121
Visit 5 2 26.5 ± 3.5 26.5 24.0 29.0 - 2
Incident Outcomes Tracking - - - - - - - -
Sex of the participant vs Trait Anxiety Score
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 1,122 32.4 ± 8.7 31.0 20.0 68.0 1 1,123
Male 607 31.5 ± 8.2 30.0 20.0 65.0 1 608
Female 515 33.5 ± 9.1 32.0 20.0 68.0 - 515
Sex of the participant vs Trait Anxiety Score
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 758 31.1 ± 8.0 30.0 20.0 59.0 - 758
Male 406 30.4 ± 7.4 29.0 20.0 57.0 - 406
Female 352 31.8 ± 8.5 30.0 20.0 59.0 - 352
Sex of the participant vs Trait Anxiety Score
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 566 30.3 ± 7.6 29.0 20.0 61.0 - 566
Male 304 30.3 ± 7.3 29.0 20.0 54.0 - 304
Female 262 30.4 ± 7.9 29.0 20.0 61.0 - 262
Sex of the participant vs Trait Anxiety Score
Visit 4
N Mean StdDev Median Min Max Unknown Total
Total 121 29.3 ± 7.7 28.0 20.0 56.0 - 121
Male 67 28.5 ± 7.0 27.0 20.0 45.0 - 67
Female 54 30.2 ± 8.4 28.0 20.0 56.0 - 54
Sex of the participant vs Trait Anxiety Score
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 2 26.5 ± 3.5 26.5 24.0 29.0 - 2
Male - - - - - - - -
Female 2 26.5 ± 3.5 26.5 24.0 29.0 - 2
Race of the participant vs Trait Anxiety Score
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 1,122 32.4 ± 8.7 31.0 20.0 68.0 1 1,123
Asian 12 31.6 ± 10.9 30.5 21.0 58.0 - 12
Black 23 33.7 ± 9.7 31.0 20.0 53.0 - 23
Hispanic 13 32.5 ± 8.1 30.0 20.0 48.0 - 13
Native American 10 30.3 ± 6.4 31.0 21.0 43.0 - 10
White 1,064 32.4 ± 8.6 31.0 20.0 68.0 1 1,065
Race of the participant vs Trait Anxiety Score
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 758 31.1 ± 8.0 30.0 20.0 59.0 - 758
Asian 4 29.3 ± 10.2 27.5 20.0 42.0 - 4
Black 8 28.8 ± 4.9 28.0 23.0 39.0 - 8
Hispanic 6 33.5 ± 9.5 31.0 23.0 46.0 - 6
Native American 6 30.5 ± 8.2 30.5 20.0 39.0 - 6
White 734 31.1 ± 8.0 30.0 20.0 59.0 - 734
Race of the participant vs Trait Anxiety Score
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 566 30.3 ± 7.6 29.0 20.0 61.0 - 566
Asian 4 29.3 ± 10.4 26.5 20.0 44.0 - 4
Black 4 25.5 ± 2.6 26.0 22.0 28.0 - 4
Hispanic 5 33.6 ± 8.8 32.0 23.0 44.0 - 5
Native American 4 26.0 ± 4.1 26.0 22.0 30.0 - 4
White 549 30.4 ± 7.6 29.0 20.0 61.0 - 549
Race of the participant vs Trait Anxiety Score
Visit 4
N Mean StdDev Median Min Max Unknown Total
Total 121 29.3 ± 7.7 28.0 20.0 56.0 - 121
Asian 3 29.0 ± 10.8 26.0 20.0 41.0 - 3
Black 1 24.0 - 24.0 24.0 24.0 - 1
Hispanic 2 33.0 ± 12.7 33.0 24.0 42.0 - 2
Native American 2 26.5 ± 4.9 26.5 23.0 30.0 - 2
White 113 29.3 ± 7.7 28.0 20.0 56.0 - 113
Race of the participant vs Trait Anxiety Score
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 2 26.5 ± 3.5 26.5 24.0 29.0 - 2
Asian - - - - - - - -
Black - - - - - - - -
Hispanic - - - - - - - -
Native American - - - - - - - -
White 2 26.5 ± 3.5 26.5 24.0 29.0 - 2