Reliability and validity study of the translated Arabic version of Moorehead-Ardelt Quality of Life Questionnaire II

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Figure 1
- The Arabic translation of the Moorehead-Ardelt Quality of Life Questionnaire II.

Table 1

- Demographics of the study population (N=104).

Variables	n (%)
Gender
Male	34 (32.7)
Female	55 (52.9)
Not mentioned	15(14.4)
Age (years), mean±SD	32.46±10.736
Height (cm), mean±SD	164.25±11.87
Weight, mean±SD	113.535±29.435
BMI, mean±SD	42.116±10.60
<35	17 (16.3)
35-50	73 (70.2)
>50	14 (13.5)
Education levels
Elementary	5 (4.8)
Intermediate	6 (5.8)
High school	29 (27.9)
Diploma	1 (1.0)
Bachelor	55 (52.9)
Master	7 (6.7)
Doctorate	1 (1.0)
Did you have previous obesity surgery?
Yes	24 (23.1)
No	80 (76.9)

BMI: body mass index, SD: standard deviation

Table 2

- The item-total correlation coefficient.

MA-II questions	ICC	α if item deleted
Usually I feel	0.697	0.754
I enjoy physical activities	0.670	0.759
I have satisfactory social contacts	0.514	0.796
I am able to work	0.683	0.759
The pleasure I get out of marital relations is	0.390	0.817
The way I approach food is	0.495	0.800

MA-II: Moorehead-Ardelt Quality of Life Questionnaire, ICC: item-total correlation coefficient, α: Cronbach’s alpha

Table 3

- Correlation of the MA-II total, pre-operative, and post-operative scores with the SF36.

SF36	MA-II (total patients)	MA-II (postoperative patients)	MA-II (preoperative patients)
Vitality	0.65**	0.33	0.51
Mental health	0.57	0.47	0.49
Physical functioning	0.56	0.05^*	0.36
Role-physical	0.55	0.47	0.37
Role emotional	0.45	0.39	0.29^*
Bodily pain	0.49	0.36	0.35
Social functioning	0.54	0.38	0.49
General health	0.70**	0.32	0.61
PCS	0.66**	0.38	0.48
MCS	0.65**	0.53	0.54

↵*Poor correlation, **high correlation, MA-II: Moorehead-Ardelt Quality of Life Questionnaire II, SF36: 36-Item Short-Form Health Survey, PCS: physical component summary, MCS: mental component summary