Daily life hour by hour, with and without cocaine: an ecological momentary assessment study.

ABSTRACT:

Rationale

Effects of an intervention cannot be understood without precise knowledge of the baseline behavior on which the intervention is superimposed. For misusers of illicit drugs, patterns of daily activities and moods have not been studied in a way that is amenable to statistical aggregation.

Objective

The aim of the study was to compare hour-by-hour daily activities in cocaine-dependent outpatients during urine-verified periods of use and abstinence.

Methods

In a cohort design, a volunteer sample of 112 methadone-maintained cocaine- and heroin-abusing outpatients provided ecological momentary assessment (EMA) data on handheld computers for 10,781 person-days. EMA responses to questions about current location, activities, companions, moods, and recent exposure to

SUBMITTER: Epstein DH 

PROVIDER: S-EPMC2940233 | biostudies-literature | 2010 Aug

REPOSITORIES: biostudies-literature