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Table 4 Comparison between Khat chewers and non-chewers and Khat chewing duration in relation to GT, WKG, and PH

From: Gingival phenotypes and their relation to age, gender and other risk factors

 

Khat chewing

P

khat chewing duration

P

Yes

No

<  5 years

≥ 5 years

GT

<  1.5 mm

34 (15.1)

46 (19.6)

0.803

13 (17.1)

21 (14.5)

0.719

1.5–2 mm

149 (67.9)

156 (66.4)

 

55 (72.4)

95 (65.5)

 

>  2 mm

38 (17.0)

33 (14.0)

 

8 (10.5)

29 (20.0)

 

WKG

≤ 4 mm

66 (30.2)

50 (21.2)

0.084

34 (44.7)

34 (23.5)

0.259

4.1–8 mm

134 (60.4)

181 (77.0)

 

38 (50.0)

95 (65.5)

 

> 8 mm

21 (9.4)

4 (1.8)

 

4 (5.3)

16 (11.0)

 

PH

≤ 3 mm

130 (58.5)

120 (51.0)

0.425

55 (72.4)

74 (51.0)

0.15

> 3 mm

91 (41.5)

115 (49.0)

 

21 (27.6)

71 (49.0)