This study was designed to analyse effects of Family Health Workers´ activities on the performance of a child immunization program as part of the evaluative .research injhe community health demonstration project in Kang Wha.
Frequent shortcomings of evaluative research are problems in setting evaluative indices, difficulties in interpreting influences of socioeconomic changes due to lack of control and failure of demonstrating association between activity input and program performance.
Specific objectives of this study was to improve the frequent shortcoming of evaluative research. by isolating the effects of Family Health Workers´ activities on the perfoMmance of the program through controlling other variables which also influenced the program ;performance.
The target population consisted of 1240 children who were born between Jan. 1971 and Dec. 1975 in Sunwon Myun, and Naega Myun in Kwang Wha Gun, Kyonggi Province.
The data were collected in part through 20 Family Health Workers who interviewed the mothers of these children in their villages during Nov. 1977. Part of the data were obtained by summarizing Family Health Workers daily activity records.
All data were grouped for each birth cohort according to the 20 villages. Dependent variable of the model is the measie immuinization rate of each village and thej independent variables are characteristics of baby, mother, household, travel time to the health subcenter, to Kang Wha Town, and the mean member of visits to the household by Family Health Workers as well as their other related activities and the year of birth of children according to village. The model was analysed by stepwise multiple regression technique.
The summarized results show that overall R² were 39.3% and, mean number of Family Health Worker household visits,
mean age of mother and mean ec nomic status were significant variables in explaining the immunization rate.
Therefore Family Health Workers´ activities are one of the significant variables in influencing the increased immunization rate of children in villages of the project aea.
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