See Figure ​Figure22 for study flow Figure 2 Study flow MDC = m

See Figure ​Figure22 for study flow. Figure 2 Study flow. MDC = medical dispatch centre. In Phase One of the project, we expect to conduct semi-structured interviews with 24 Ontario 9-1-1 call takers. The purpose of this phase is to identify and describe barriers and facilitators perceived to influence the ability of 9-1-1 call takers to recognise cardiac arrest (the target behaviour for this study) and give CPR instructions (the natural next step once cardiac arrest is recognized). Qualitative data from the interviews will be transcribed and

coded sequentially. Recruitment of call takers will be purposeful, with the goal of obtaining a mix of responses from call Inhibitors,research,lifescience,medical takers who are employed in rural and urban medical dispatch centres, and have Inhibitors,research,lifescience,medical various levels of experience and training background. Interviews will be conducted until data saturation has been reached. The interviews will be audio-taped, with the participant’s consent, and are expected to take approximately one hour. The participants will be offered an honorarium of $50 in recognition of the time required to participate. The data from this preliminary work will be used to inform the content

of the quantitative survey. In the survey development phase of the project Inhibitors,research,lifescience,medical (Phase Two), the data generated from the interviews will be used to develop and pilot test a quantitative survey examining the target behaviour, which is recognition of cardiac arrest by call takers.

The survey will be organized using the Inhibitors,research,lifescience,medical theoretical constructs of the TPB which measure: behavioural intentions, attitudes, subjective norms, and perceived behavioural control. The initial draft of the survey will be circulated Inhibitors,research,lifescience,medical around the extended project team to ensure face and content validity. The survey will be piloted with approximately 10 call-takers from the Ottawa medical dispatch centre twice over a two-week period to ensure clarity and acceptability and to establish test-retest reliability. Data from pilot testing will be analyzed for temporal see more stability and internal consistency using standard techniques [34]. In Phase Three of the project, we plan to use a modified Dillman technique next for the distribution of the survey [35]. An initial electronic notification about the survey will be sent to all identified call takers. All incorrect e-mail addresses will be noted and attempts will be made to identify the correct address. One week later, the survey will be sent to the call takers electronically. A reminder e-mail will be sent to all non-responders two weeks after the initial survey was sent. The survey will be administered using an electronic medium [36]. The invitation emails will contain a link to the survey website.

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