Conference Proceedings - School of Nursing & Midwifery - Trinity ...

School of Nursing & Midwifery, Trinity College Dublin: 8 th Annual Interdisciplinary Research Conference
Transforming Healthcare Through Research, Education & Technology: 7 th – 9 th November 2007
Conference Proceedings
Cronbach’s Alpha values for the instrument used in this study were
0.8022 for role Extension scale and 0.7822 for the Role Expansion
scale. To add to the reliability of the instrument, Spearman-Brown
prophecy formula was also used to test for association of items
between scales. The results showed that most of the items were
significantly correlated, with 6 items out of 45 correlating below
0.10 in the Role Extension scale and 2 out of 28 correlating below
the recommended level of 0.10 in the Role Expansion scale. Fiftyone
out of a total of 73 items correlated significantly at significance
level set at 0.01 and 0.05 (2-tailed).
Findings
Table 1 Summary of Statistics on Respondents’ Demographics
Count Percentages Mean Range
Female 81 94.2
Male 5 5.8
Total 86
Age 81 37 25 – 56
Staff nurse 62 72.9
CNM 1 8 9.4
CNM 2 15 17.6
Total 85
Years Qualified as
RN
ICU/CCU 30 35.3
A & E 20 23.5
General Medical 22 25.9
General Surgical 13 15.3
Total 85
Years in Area of
Practice
RGN 29 33.3
Pre-Registration
Diploma
3 3.4
Specialist Certificate 22 25.3
Degree 8 9.2
Higher Diploma 25 28.7
Masters 0 0
Total 87
85 14.7 1 – 35
82 7.8 1 – 20
Table 1 presents a synopsis of demographic data of the 88
respondents who participated in the study. The data showed that
the mean age of all the nurses who responded to the study was 37
years (range 25-56, SD = 7.29). The majority of the respondents in
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