Resources limited the length of time for recruitment of patients: interviews with a broader spectrum of patients in relation to gender, age, ethnicity and disease status would have been beneficial and should be a focus for future research.
Characteristics of a policy that affect its acceptability include its implications for vested interests, the level of public participation it involves, the resources required for implementation and the length of time needed for its impacts to become visible (Grindle and Thomas 1991).
The length of time over which resource use could be analysed was also constrained by changes to the coding methodology used in PbR.
We examined the number of children vaccinated at each transit site during the June SIA to plan the length of time of each vaccinator shift, human resource requirements, and activity timing for the subsequent July SIA.
He added: "Deliberate fires, especially large scale grass and gorse fires, can place tremendous pressure on resources with our crews tied up for a considerable length of time trying to bring them under control.
These results add to growing evidence from other studies that a critical characteristic of food underlying agonistic social relationships in female animals is the length of time spent at a food resource.
The length of time used to determine the effect of resources adjustment in Algorithm 1 is 30 seconds.
This indicates that despite limited resources in the setting virological efficacy can be sustained for a substantial length of time and also enhance immunological recovery irrespective of age.
Later in the letter he added that he would not come to the United States "because I would have to stay there for an unquantifiable length of time -- months, possibly years and pay huge legal bills out of my own resources".
In part, this child hunger may result from the level of support, household size, length of time that benefits last, budget management skills, or amount of competing demands for limited resources.
