PSECDI - First Use Electronic Cigarette After Wake Up

**Semantic type:** Intellectual Product

**Definition:** Penn State Electronic Cigarette Dependence Index (PSECDI) On days that you can use your electronic cigarette freely, how soon after you wake up do you first use your electronic cigarette?

**Synonyms:** - PSECD1-First Use E-Cig After Wake Up - PSECD1-First Use E-Cig After Wake Up - PSECD102