Table 1.

Baseline characteristics of the study group

	Boys No. (%)	Girls No. (%)	All No. (%)
Total students	1504 (48.9%)	1569 (51.1%)	3073 (100.0%)
Age
Grade 1	510 (33.9%)	504 (32.1%)	1014 (33.0%)
Grade 2	492 (32.7%)	533 (34.0%)	1025 (33.4%)
Grade 3	502 (33.4%)	532 (33.9%)	1034 (33.6%)
Type of school
Government	677 (45.0%)	817 (52.1%)	1494 (48.6%)
Private	827 (55.0%)	752 (47.9%)	1579 (51.4%)
School area
North	480 (31.9%)	376 (24.0%)	856 (27.9%)
East	366 (24.3%)	566 (36.1%)	932 (30.3%)
South	308 (20.5%)	335 (21.4%)	643 (20.9%)
West	350 (23.3%)	292 (18.6%)	642 (20.9%)