The research nurse explains the study in further detail and provides patients who agree to participate with information and consent forms, baseline questionnaires and a reply paid envelope to return completed study documents.
To recruit patients, each therapist was asked to invite one of his/her patients to participate, with an information letter.
The JSTEPS PDSA implementation process arms participating sites with information about contingency management and allows them to design and implement CM protocols that are responsive to local circumstances.
All the participants gave informed consent to participate, with guarantees that the information they provided was confidential and there were no personal identifiers in any documents or subsequent reports.
Those interested in participating were provided with information describing the investigation and asked to sign a form consenting to participate in the study.
A two-phase design can reduce bias and improve efficiency by combining information on the non-participating subjects with information from the participating subjects.
For women participating with more than one pregnancy, only information from the first pregnancy was included.
We will compose a letter with a short description of the research and the (dis)advantages of participating, with the option to request further information.
Mothers were contacted by telephone, provided with information about the study protocol, and invited to participate with their children.
Additionally, the group participated in two information meetings with representatives from Stockholm county council targeting conventional care and CTs.
