tmd_1

Tmd 1

Instrument: Diagnostic Interview for Genetic Studies (DIGS)

Form: Tobacco_Marijuana_And_Other_Drug_Abuse_And_Dependence

Type: Text

Source File: EDIGs_2026-01-30

Year Commenced: 2006

Collection Frequency: Baseline

Required: No

Identifier: No

Field Label

How old were you when you first tried any form of tobacco?

Field Note

Age.

Validation Type

integer

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