Child 4 Female 4 Health Knowledge, Attitudes, Practice 4 Humans 4 article 4 attitude to health child 4 female 4 human 4 human experiment male 4 questionnaire 4 school child 4 Health Promotion 3 Male 3 Program Evaluation 3 School Health Services 3 Surveys and Questionnaires 3 controlled study 3 health promotion 3 major clinical study 3 primary school 3 procedures 3 program evaluation 3 school health service 3 Oral Health 2 Schools 2 behavior 2 clinical assessment 2 education 2