These quantitative and qualitative analyses facilitated
exploration of whether and how the intervention worked
and the process of change (Chesla, 2008). Each participant
file was reviewed in the context of the woman’s demographic
profile, change in her outcomes, and her qualitative
interview, if conducted. This analysis shed light on ways
women’s characteristics influenced intervention outcomes
and process, which was critical information for future modification
(Brown, 2002). The cost of the intervention was
estimated using data from the clinical files, travel claims,
and time sheets. To calculate per-woman costs, we prorated
the costs for non-completers (n¼8) as a proportion
of the cost of completers (n¼44) in the original sample
(N¼52). Training costs were not included.