Name
strat
Label
Stratification Variable ID
Description

This variable is the sample design stratification variable used in statistical analyses as the stratum variable that is a combination of field center, Hispanic household proportion, and SES.

Type
numeric
Visit Number vs Stratification Variable ID
N Mean StdDev Median Min Max Unknown Total
Baseline 16,415 16.3 ± 5.0 15.0 10.0 29.0 - 16,415
Sueño Ancillary 2,252 15.9 ± 4.9 14.0 10.0 29.0 - 2,252
Gender vs Stratification Variable ID
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 14,155 16.3 ± 5.0 15.0 10.0 29.0 - 14,155
Female 8,358 16.3 ± 5.0 15.0 10.0 29.0 - 8,358
Male 5,797 16.2 ± 5.0 15.0 10.0 29.0 - 5,797
Gender vs Stratification Variable ID
Sueño Ancillary
N Mean StdDev Median Min Max Unknown Total
Total 1,912 15.9 ± 4.8 14.0 10.0 29.0 - 1,912
Female 1,223 15.8 ± 4.8 14.0 10.0 29.0 - 1,223
Male 689 16.0 ± 4.8 14.0 10.0 29.0 - 689