Table 4

Characteristics of subjects

CharacteristicsIntervention group (n = 171)Control (n = 163)
Sex
Boys73 (43)66 (40.5)
Girls98 (57)97 (59.5
Age10.66 + 0.989a10,97 + 0.932a
Knowledge6.47 + 1.686,41 + 1.77
Attitude4.19 + 4.214,21 + 1.26
Practice24.32 + 4.4322,4 + 4.27

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