Table 1: Distribution of study population according to age and gender.

Age (years) Sex Total
Male Female
Number of Subjects Percentage Distribution (%) Number of Subjects Percentage Distribution (%) Number of Subjects Percentage Distribution
(%)
7-8 150 48.2 161 51.8 311 100
8-9 382 56.1 299 43.9 681 100
Total 532 53.6 460 46.4 992 100

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