ROS, MAP, MARS, LATC
SES and Cognitive Resources
Early life socioeconomic status (SES) is a composite index based on three indicators of household SES level at the baseline interview:
The number of children is multiplied by negative 1, and all indicators are z-scored. The composite measure of early life SES is the average of the three z-scores.
Note: This version of the variable has not been published. The associated reference describes a related measure of early life SES.