Screening mammography and constructs from the transtheoretical model: Associations using two definitions of the stages-of-adoption

Abstract

The two purposes of this investigation were: (a) to examine whether an association existed between stages of adopting regular mammography and decision-making constructs from the Transtheoretical Model (TTM) of behavior change, and (b) to determine whether any such associations would be found for each of the two ways of defining the stages-of-adoption. One method integrated past screening history with a report of future intention for screening; the other method used a single item with predetermined response categories. Data were from the baseline survey of 1,323 women aged 50-74 who were recruited as part of an intervention study through a local Health Maintenance Organization. Results showed that both ways of defining stages of adopting regular mammography were associated with decisional balance and processes-of-change. The method that integrated past history plus intention provided somewhat better discrimination among stages. Women who were labeled as being at "Risk of Relapse," and those who said they waited for a "Provider's Recommendation," may be useful groups to add to the set of stages that have been employed so far by the TTM. In addition, a tendency to avoid the health care system in general was used as a process-of-change to complement the mammography-specific processes.

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