Assessment tools
Demographic and reproductive measures
Included in the initial questionnaire package were demographic questions including age, income, education, and marital status. Information about past and current medical and reproductive history was also obtained. In later questionnaire packages participants were asked for information about changes in health status as well as labour and delivery experiences. These questions included a mixture of multiple choice and open-ended questions as needed.
Self-report measures
The following measures were used to assess for symptoms of all six AD and for depression. Women completed each of these screening tools at each study time point and returned them by mail to the investigators. These measures have been selected because they are psychometrically sound and possess good sensitivity and specificity.
Generalized anxiety disorder 7-item scale (GAD-7) [36]