Although there was no validation of the questionnaire, it was administered to a pilot sample of patients with SCD attending the National Sickle Cell Centre in Lagos, with no difficulties in completion expressed.
However, Hepner et al. found that primary care physicians could often detect depression and initiate treatment but had difficulties in completion of a minimal course of treatment for depression [ 15].
In our sample of low-income patients with diabetes, we found low reported hassle of completion of diabetes tasks, low reported difficulty in completing diabetes related tasks and good self reported ability to stay on top of their disease.
The questionnaire was designed in English but was administered in Chinese to ensure that there was no language difficulty in its completion.
The main difficulties experienced in completion arose from problems with vision (12/24), understanding (8/24), writing (3/24), and re cognition (1/24).
As to difficulties in the completion of the questionnaires (qualitative data), no participant declared problems as to the administration style.
It is possible that its difficulty and completion later in the laboratory visit could have introduced more measurement error if there were systematic differences in the order of task presentation (i.e., children were more fatigued or distracted following the Go/No-Go task).
2 Eleven organisational barriers to implementation were identified and several of those already identified, such as poor communication between the anaesthetist and surgeon, lack of leadership, inappropriate timing for checking an item, time taken up by checklist completion, and difficulty in identifying the role and responsibility of each staff member, were confirmed.
All the instruments are self-report; however, a psychologist was present during the initial and final assessments to give support in case of doubts or difficulties in the questionnaires' completion (ie, difficulty to read questions or to understand their meaning).
He led the N.F.L. in completion percentage.
