highly significantp < 0.0001
coli also remains highly significant (OR = 1.79, p < 0.0001), underscoring persistent concerns regarding microbial contamination in drinking water.
coli also remains highly significant (OR = 1.79, p < 0.0001), underscoring persistent concerns regarding microbial contamination in drinking water.
Arsenic and nitrate showed elevated ORs but did not reach statistical significance.