Name
stai10
Label
10-Item State Trait Anxiety Inventory
Description

This variable is the sum of (WBEA11-WBEA20), where positively worded items (WBEA12, WBEA17, WBEA19) are reverse coded, and 1 is added to all responses (converting from 0-3 to 1-4 scale to match the standardized instrument scoring). For participants with 1 or 2 missing items, STAI10 is equal to the weighted average of the nonmissing items*10.

Type
numeric
Visit Number vs 10-Item State Trait Anxiety Inventory
N Mean StdDev Median Min Max Unknown Total
Baseline 13,837 17.3 ± 5.9 16.0 10.0 40.0 2,578 16,415
Sueño Ancillary - - - - - - - -
Gender vs 10-Item State Trait Anxiety Inventory
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 13,837 17.3 ± 5.9 16.0 10.0 40.0 318 14,155
Female 8,173 18.0 ± 6.2 17.0 10.0 40.0 185 8,358
Male 5,664 16.2 ± 5.2 15.0 10.0 40.0 133 5,797