highly significantp < 0.01
The pairwise post hoc Fisher’s exact test for district demonstrated highly significant differences ( p < 0.01) between district pairs including Okara and Faisalabad ( p < 0.0001), Okara and Nankana ( p < 0.0001), Layyah and Okara ( p = 0.0002), Layyah and Nankana ( p = 0.0009), and Rajanpur versus Okara ( p = 0.0036) (Figure 2 ).