Table 1.

Study variables and the methods of inspection

Variables	Methods of inspection
Presence of a health personnel	Direct observation
Water supply	Direct observation
Presence of a school fence	Direct observation
Classroom ventilation	Direct observation
Availability of soap	Direct observation
Availability of wash hand basin	Direct observation
Sickbay	Direct observation
Floor spacing	Measurements taken
Adequacy of ventilation	Measurements taken
Controllable ventilation	Direct observation
Student medical records	Direct observation
Presence of school health committee	Questionnaire
Conduct of health talk	Questionnaire
The practice of temporarily isolating sick children	Questionnaire
Immunization practice	Questionnaire