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Prev Med. 1999 Jan;28(1):51-60.

Evaluation of a motivational smoking cessation intervention for women in public health clinics.

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Health Policy Center, University of Illinois at Chicago 60607, USA.



A multicomponent motivational smoking cessation intervention was evaluated in 33 prenatal, family planning, and pediatric services in 12 public health clinics. Clinic-based intervention components were implemented by clinic personnel as part of routine medical visits.


The evaluation design included pre- and postintervention measurements of multiple study outcomes in a baseline (all clinics prior to the start of the intervention) and an experimental period (matchedpair random assignment of clinics to intervention or control conditions). Subjects were 683 (baseline) and 1,064 (experimental) smokers with measurements of smoking outcomes at both times. Mixed-effects regressions analyzed individual outcomes clustered within clinics and services.


Control and intervention clinics had similar outcomes in the baseline period. In the experiment, outcomes improved in the intervention but not in the control clinics. Compared to controls, smokers exposed to the intervention were more likely to have quit (14.5 versus 7.7%) or take actions toward quitting and had higher mean action, stage of readiness, and motivation to quit scores. These positive effects persisted when clustering within clinics and services was controlled.


This intervention, implemented by clinic personnel as part of routine medical visits, was effective under these natural conditions across different types of clinic service.

[Indexed for MEDLINE]

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