Growth and development of children till the age of 5-6 years is very important. Any adverse influence in this period related to malnutrition can lead to severe limitation in their development. Anganwadi workers at the local level and supportive personnel from health departments administer services, which include the following: supplementary nutrition, immunization, health checkups, referral services, treatment of minor illnesses, nutrition and health education for women, preschool education for children aged 3-6 years, and co-operation with improvement in supportive service such as water supply and sanitation. The present study was undertaken to assess the effectiveness of structured teaching programme on knowledge of the Anganwadi workers regarding prevention of malnutrition among under five children in selected ICDS centers. One group pre-test post-test research design, which is pre- experimental design, was selected to assess the knowledge of Anganwadi workers and the population was 50 aganwadi workers by using purposive sampling technique. The tool used was structured knowledge questionnaire. The overall analysis of the data reveals that the maximum mean percentage obtained by the Anganwadi workers is found in the aspect of Type, Causes & Clinical manifestation (51.33%), followed by definition and nutrients (48.20%), introduction (48%) and least mean percentage obtained in the aspect of diagnosis, prevention, management & complication (44.20%). The overall Mean±SD of pretest knowledge score was 19.06± 6.94 and mean percentage of 47.65%.
The maximum mean percentage obtained by the Anganwadi workers is found in the aspect of Category of introduction (87.75%) followed by definition & nutrients (79.6%), diagnosis, prevention, management & complication (75.9%) and least mean percentage obtained in the aspect of types, Causes and clinical manifestation (67.66). The overall Mean± SD of post test knowledge score was 30.98± 6.24 and mean percentage of 77.45%.
It is evident that the obtained "t" value 18.62 is greater than the table value at 0.05 level of significance. Therefore, "t" value is found to be significant. It means there is gain in knowledge level of Anganwadi workers regarding prevention of malnutrition.