However, such consideration should be informed by the questionnaires' respective psychometric and pragmatic characteristics, such as sensitivity to change in response to treatment (Kroenke, Spitzer, Williams, & Löwe, 2010).
These items were informed by the Pro Children questionnaire [ 18].
Of the 57 questions in our online survey, approximately 40% were informed by the OWL questionnaire.
Finally the parents were asked about the sleeping habits of their child by means of three questions informed by the HBSC questionnaire [ 23].
Furthermore, four questions, partly informed by the ENERGY parent questionnaire and partly constructed, assess the sleeping habits of the child [ 22].
Finally, three items- one informed by the ENERGY parent questionnaire and the other two by Collins- along with the pictorial instrument created by Collins (1991) [ 27], assess the parent's perception of their child's body weight.
The items were again based on and informed by the Pro Children and ENDORSE parent Questionnaires [ 18, 19].
TPB questionnaire study-specific 13-item questionnaire informed by the theories of planned behaviour and self-efficacy 22 assessed Attitude to breastfeeding (four items), Social norm (two items), Perceived Behavioural Control (PBC; three items) and Intention (four items) each recorded on a 5-point scale (see online supplementary appendix 3).
TPB questionnair e study-specific 13-item questionnaire informed by the theories of planned behaviour and self-efficacy 22 assessed Attitude to breastfeeding (four items), Social norm (two items), Perceived Behavioural Control (PBC; three items) and Intention (four items) each recorded on a 5-point scale (see online supplementary appendix 3).
The design of the questionnaire was informed by the Common European Framework of Reference prepared by the Education Committee of the European Union Council off Europe, 2001. Common European Framework of Reference for Teaching, Learning and Assessment. Cambridge University Press, Cambridge).
The questionnaire was informed by the Cochrane Collaboration's Risk of Bias tool [ 29], the BARRIERS Scale [ 30], and the framework proposed by Cabana et al. [ 31], described in Table 1.
