ca_1b

Ca 1B

Instrument: Diagnostic Interview for Genetic Studies (DIGS)

Form: Commorbidity_Assessment

Type: Radio

Source File: EDIGs_2026-01-30

Year Commenced: 2006

Collection Frequency: Baseline

Required: No

Identifier: No

Field Label

1b. Alcohol/drugs occurred first were you using (alcohol/drugs) heavily right before you had (mood changes/psychotic symptoms)?

Choices / Calculations / Slider Labels

1, Yes 0, No 9, Unknown

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