Changes

*Cohort

*Cohort

*Height, weight, BMI, for drinking (a single beer has different effects on a 200 lb man versus a 100 lb woman)

*Height, weight, BMI, for drinking (a single beer has different effects on a 200 lb man versus a 100 lb woman)

*Genetic principle components (or empirical kinships)

*Genetic principle components (alternatively could use empirical kinships in rare-metal-worker)

*Adolescence versus adulthood (e.g., < 21 years of age versus >=21)

*Adolescence versus adulthood (e.g., < 21 years of age versus >=21)

*Date of assessment (e.g., the calendar year of the assessment)?

*Date of assessment (e.g., the calendar year of the assessment)?