The Behaviour of Open Defecation by Age Groups

In Indonesia, Open Defecationbehaviour can be found in all age groups starting from children to the elderly, both male and female. Community Based Total Sanitation Data (2018) recorded that the number of families who still practiced Open Defecation in Pekalongan Regency were as many as 51,537 with open defecation access of 21.38%. The research aims to assess the median and trend of TheOpen Defecation Behaviour cases based on age groups. This research uses the nonreactive approachby referring to the secondary data from the result of Environmental Health Risk Assessment (EHRA) of Pekalongan District in 2017. The sampling unit is the households, in which respondents of 11,400 were taken by multistage random sampling, spread across 19 sub-districts. Based on the calculation of Chi-Square Test for Trend for Binomial Proportions (Cochran-Armitage), the value of T1= 323.41798 >table of Chi-Square χ2= 3.84 (α=5%), there were 91,200 individuals with a minimum number of Open Defecation Behaviour cases of 1,943, a maximum number of 20,857, and a median = 11,400 (SD = 9,242.844) which was estimated to be at the age of 50 years. The findings are that there is a trend in cases of Open Defecation Behaviouraccording to age groups. The trend is increasing among the adults.