3.1. Questionnaire results
3.1.1. Characteristics of respondents
The demographic compositions of respondents in each study
area are shown in Table 2. The number of answers collected in each
area was thirty (collection rate is 60%), twenty six (52%), twenty
seven (54%) and thirty seven (74%) from BKJ, S1, S2 and S3 respectively.
The average number of family members was 4.53 per house,
and the average age of respondents was 35.3 years (compared with
the median age in Indonesia of 28.4 years). From the chi-square
test of independence, age distribution, as well as education and
income levels were found to vary between study areas. The results
showed that S1, S2 and S3 are regarded as upper class, middle class
and lower class neighborhoods respectively, according to the level
of education and income. In BKJ, income values were distributed
across a wider spectrum when compared to the other areas. In
terms of the education level, approximately 40% of respondents
in BKJ completed tertiary education which is comparable to 37% of
respondents in S2.