DClinPsy Portfolio Volume 1 of 3 - University of Hertfordshire ...

Table 15 - Results from Mann Whitney U Test exploring Body Image Acceptance in
relation to BMI
Comparison
Body Image Acceptance
1. Underweight compared to
Healthy BMI
2. Overweight compared to
Healthy BMI
Mean
difference
Z p-value
(1- tailed)
9.28 -1.67 0.48 0.28
11.18 -1.31 0.10 0.33
Effect size
(Cohen’s d)
As can be seen from the results in Table 15, there is no significant difference in body
image acceptance in the underweight and overweight groups as compared to the healthy
BMI groups, therefore hypothesis II (b) was not confirmed.
Hypothesis II (c): There will be a significant mean difference between the three BMI
groups on depression and/or anxiety
Hospital Anxiety & Depression Scale- Anxiety Score
20
15
10
5
0
Healthy Overweight Underweight
Body mass index USA
Figure 7 – Boxplot of anxiety across BMI groups
16
28
178