Clinical Study
Assessment of Gingival Health Status among 5- and 12-Year-Old Children in Yemen: A Cross-Sectional Study
Table 3
Mean ± SD plaque, gingival, and calculus indices for the 12-year-old age group by gender, area of residence, and governorate.
| | Plaque index | Calculus index | Gingival index |
| Gender | | | | Male () | 1.17 ± 0.60 | 0.09 ± 0.18 | 1.03 ± 0.64 | Female () | 1.06 ± 0.49 | 0.04 ± 0.13 | 0.91 ± 0.62 | Total () | 1.12 ± 0.55 | 0.07 ± 0.16 | 0.97 ± 0.64 | -test | <0.001 | <0.001 | <0.001 | Area of residence (for 12 years) | | | | Urban () | 1.12 ± 0.53 | 0.07 ± 0.19 | 1.01 ± 0.56 | Rural () | 1.19 ± 0.54 | 0.07 ± 0.15 | 1.02 ± 0.69 | Periurban () | 1.04 ± 0.57 | 0.05 ± 0.14 | 0.88 ± 0.65 | Total () | 1.12 ± 0.55 | 0.07 ± 0.16 | 0.97 ± 0.64 | ANOVA | <0.001 | 0.005 | <0.001 | Governorate | | | | Sana'a () | 1.26 ± 0.49 | 0.03 ± 0.12 | 1.38 ± 0.31 | Taiz () | 0.71 ± 0.56 | 0.02 ± 0.08 | 0.54 ± 0.59 | Hodeida () | 1.01 ± 0.67 | 0.10 ± 0.20 | 0.61 ± 0.63 | Hajjah () | 1.33 ± 0.34 | 0.04 ± 0.11 | 1.43 ± 0.31 | Hadramaut () | 1.25 ± 0.69 | 0.16 ± 0.25 | 0.69 ± 0.63 | Total () | 1.12 ± 0.55 | 0.049 ± 0.14 | 0.97 ± 0.64 | ANOVA | <0.001 | <0.001 | <0.001 |
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