Fishermen.
Researcher recorded the results of complaints level from respondents, then categorized the complaints from VAS
scale (1-10) into 4 complaint levels in NBM spreadsheet within categories as follow (Adhyati, 2011):
a. 0 = no pain
b. 1 to 3 = little pain
c. 4 to 6 = moderate pain
d. 7 to 10 = painful