Table 1 Sociodemographic characteristics of study participants (n = 56,197)
Characteristics | Male (n = 29,388) | Female (n = 26,809) |
|---|---|---|
Age (years) | 8.23 ± 1.53 | 8.27 ± 1.53 |
Grade, n (%) | ||
 1 | 13,919 (47.4%) | 12,405 (46.3%) |
 4 | 15,469 (52.6%) | 14,404 (53.7%) |
BMI group, n (%) | ||
 Underweight | 6,191 (21.1%) | 6,210 (23.2%) |
 Normal | 16,617 (56.5%) | 15,474 (57.7%) |
 Overweight | 3,342 (11.4%) | 2,748 (10.3%) |
 Obese | 3,238 (11.0%) | 2,377 (8.9%) |
Urbanization, n (%) | ||
 Urban | 20,035 (68.2%) | 18,261 (68.1%) |
 Suburban | 6,706 (22.8%) | 6,209 (23.2%) |
 Rural | 2,647 (9.0%) | 2,339 (8.7%) |
Period, n (%) | ||
 2009 | 3,673 (12.5%) | 3,373 (12.6%) |
 2010 | 3,535 (12.0%) | 3,206 (12.0%) |
 2011 | 3,077 (10.5%) | 2,955 (11.0%) |
 2012 | 3,133 (10.7%) | 2,708 (10.1%) |
 2013 | 2,827 (9.6%) | 2,592 (9.7%) |
 2014 | 2,793 (9.5%) | 2,592 (9.7%) |
 2015 | 2,487 (8.5%) | 2,250 (8.4%) |
 2016 | 2,580 (8.8%) | 2,339 (8.7%) |
 2017 | 2,562 (8.7%) | 2,334 (8.7%) |
 2018 | 2,721 (9.3%) | 2,460 (9.2%) |
 Pinworm, n (%) | 1,450/29,388 (4.9%) | 1,047/26,809 (3.9%) |