Khat Dependency and Psychophysical Symptoms among Chewers in Jazan Region, Kingdom of Saudi Arabia

Table 2

Relationship between SDS and chewing features.

	SDS		Chi-square value	OR (CI)
	Nondependent; (); (%)	Dependent; (); (%)
Years of chewing
<10	24 (75.0)	25 (73.5)	0.9	1.1 (0.4–3.3)
≥10	8 (25.0)	9 (26.5)
Number of days chewing khat/week
1-2	17 (53.1)	15 (44.1)	0.5	1.4 (0.5–3.8)
≥3	15 (46.9)	19 (55.9)
Duration of the session (hours)
<6	31 (96.9)	27 (79.4)	0.03	8.0 (1.0–96.6)
≥6	1 (3.1)	7 (20.6)
Amount of chewed khat (bundles)
1/4	10 (31.2)	9 (26.5)	0.7	1.3 (0.4–3.7)
1/2 or more	22 (68.8)	25 (73.5)

Significant value; Fisher exact test was used.