In which stage of health behavior is a client likely ambivalent about making a change?

The stage of health behavior where a client is likely ambivalent about making a change is the contemplation stage. During this phase, individuals are aware that there is a problem and are thinking about making a change, but they have not yet committed to taking action. This ambivalence often stems from weighing the pros and cons of changing a behavior; they may feel conflicted about the benefits of change versus the comfort of their current habits.

In the contemplation stage, clients are not actively preparing for change or engaging in it, which contrasts with subsequent stages like preparation and maintenance, where there is a clearer intent and commitment to alter behavior. The contemplation stage is characterized by increased awareness and acknowledgment of the need for change, paired with uncertainties and hesitations about the efforts and sacrifices required to make that change.