pain is a subjective individual
experience (Strong et al, 2002),
which is not just a simple
response to an unpleasant sensation.
It is affected by psychological and
social factors, such as the site and
nature of the injury, personality,
age, gender, anxiety, understanding
and cultural factors (Godfrey, 2005).
Uncontrolled pain can have harmful
physiological, psychological and
emotional effects on an individual
(Williams and Salerno, 2012)