Table 2 Association of the gingival color categories with nationality
Nationality | Gingival Color Category | df | χ2 value | P value | |||
|---|---|---|---|---|---|---|---|
Dark | Light | Medium | No pigmentation | ||||
Afghani | 0 | 20 (100) | 0 | 0 | 57 | 559.33 | 0.001** |
Bangladesh | 4 (12.50) | 10 (31.20) | 18 (56.25) | 0 | |||
Egyptian | 3 (6.90) | 11 (25.58) | 29 (67.44) | 0 | |||
Ethiopian | 0 | 9 (45) | 3 (15) | 8 (40) | |||
Indian | 0 | 7 (9.72) | 65 (90.28) | 0 | |||
Indonesian | 0 | 11 (42.30) | 15 (57.70) | 0 | |||
Jordan | 0 | 17 (44.70) | 21 (55.30) | 0 | |||
Kenyan | 0 | 16 (50) | 16 (50) | 0 | |||
Moroccan | 0 | 9 (45) | 11 (55) | 0 | |||
Nepal | 0 | 1(5.20) | 12 (63.16) | 6 (31.58) | |||
Pakistan | 0 | 15 (47) | 17 (53) | 0 | |||
Palestinian | 0 | 18 (100) | 0 | 0 | |||
Philippines | 0 | 12 (34.30) | 23 (65.70) | 0 | |||
Saudi | 6 (2.00) | 101 (34.50) | 180 (61.40) | 6 (2.00) | |||
Somali | 0 | 10 (83) | 2 (17) | 0 | |||
Srilanka | 6 (37.50) | 2 (12.50) | 8 (50) | 0 | |||
Sudan | 3 (17) | 3 (17) | 12 (66) | 0 | |||
Syrian | 0 | 26 (53) | 19 (38.77) | 4 (8.16) | |||
Uganda | 10 (71.40) | 1 (7.14) | 3 (21.40) | 0 | |||
Yemen | 0 | 11 (37) | 19 (63) | 0 | |||