Khat chewing and health related quality of life: cross-sectional study in Jazan region, Kingdom of Saudi Arabia

Table 1 Characteristics of the sample and features of score distributions for the SF-36 scale

Description	PF	RP	BP	GH	MH	RE	SF	VT
No. of items	10	4	2	5	5	3	2	4
K-S test	4.582^a	4.143^a	3.386^a	4.263^a	6.972^a	6.534^a	6.972^a	8.885^a
Mean
Non-Khat	89.05	90.32	92.30	88.71	94.41	95.77	96.47	94.21
Khat cons	72.70	66.03	78.60	71.49	56.94	53.44	56.03	52.83
SD
Non-Khat	15.64	18.45	12.93	12.94	14.34	12.33	9.11	13.53
Khat cons	30.96	37.34	27.33	24.97	35.30	43.61	39.51	31.62
CV
Non-Khat	0.18	0.21	0.14	0.15	0.15	0.15	0.10	0.14
Khat cons	0.40	0.57	0.35	0.35	0.62	0.82	0.71	0.60
Skewness
Non-Khat	-2.092	-2.661	-2.393	-1.056	-2.705	-4.206	-3.324	-2.372
Khat cons	-0.654	-0.634	-1.569	-0.739	0.083	-0.180	-0.209	-0.081
Kurtosis
Non-Khat	5.449	8.832	7.003	0.515	6.359	20.002	11.330	4.834
Khat cons	-1.034	-1.099	1.624	-0.687	-1.539	-1.708	-1.473	-1.479
Range	0 – 100	0 – 100	0 – 100	0 – 100	0 – 100	0 – 100	0 – 100	0 – 95

Abbreviations: PF Physical Functioning, RP Role-Physical, BP Bodily Pain, GH General Health, MH Mental Health, RE Role-Emotional, SF Social Functioning, VT Vitality, CV Coefficient of Variance, K-S Kolmogorov-Smirnov test, a. Asymp. Sig. (two-tailed) - Kolmogorov-Smirnov Z.

ISSN: 1477-7525