Which factor is least likely to influence a patient's readiness to change?

The day of the week is least likely to influence a patient's readiness to change because it does not intrinsically affect their motivation or ability to change health behaviors. Readiness to change typically involves more personal and contextual factors, such as an individual's past experiences with health interventions, their social support system, and their financial resources.

Past experiences with health interventions can shape how a patient perceives their chances of success or failure, influencing their willingness to try again. A strong social support system usually enhances a patient’s motivation and provides encouragement, making them more ready to adopt new behaviors. Financial resources also play a significant role, as they determine access to necessary treatments and lifestyle changes, thereby affecting a person's ability to commit to those changes. In contrast, the day of the week does not hold the same weight in impacting personal readiness for change and is generally an arbitrary factor in behavioral health decisions.