Table 2 Trend analysis of the prevalence of pinworm infection stratified by gender and urbanization from 2009 to 2018
Group | Total | Pinworm rate (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | P-value for trend |
Overall | 56,197 | 5.2 | 5.0 | 4.8 | 4.7 | 4.5 | 3.2 | 3.6 | 4.1 | 4.4 | 4.2 |  < 0.001* |
Gender | ||||||||||||
 Male | 29,388 | 5.7 | 5.7 | 4.9 | 5.2 | 5.2 | 3.6 | 3.9 | 4.8 | 4.8 | 4.9 | 0.004* |
 Female | 26,809 | 4.7 | 4.4 | 4.7 | 4.2 | 3.6 | 2.8 | 3.2 | 3.2 | 4.0 | 3.5 |  < 0.001* |
Urbanization | ||||||||||||
 Urban | 38,296 | 4.2 | 3.4 | 3.6 | 3.6 | 2.7 | 2.3 | 2.1 | 2.8 | 3.4 | 3.4 | 0.001* |
 Suburban | 12,915 | 5.5 | 6.3 | 4.6 | 4.0 | 5.2 | 3.2 | 3.8 | 3.5 | 3.7 | 3.2 |  < 0.001* |
 Rural | 4,986 | 12.7 | 14.6 | 15.2 | 14.3 | 15.8 | 10.7 | 14.6 | 15.5 | 14.7 | 12.8 | 0.953 |