Table 4 Mean number of helminth, protozoan and combined species (species richness) harboured per subject by region, age and sex

 western Asia

0.085 ± 0.009

0.166 ± 0.013

0.251 ± 0.016

 eastern Asia

0.074 ± 0.009

0.105 ± 0.012

0.178 ± 0.016

 northern & Saharan Africa

0.058 ± 0.020

0.290 ± 0.054

0.348 ± 0.056

 sub-Saharan Africa

0.049 ± 0.020

0.163 ± 0.042

0.211 ± 0.049

 Age class 1 (16–22)

0.116 ± 0.021

0.201 ± 0.028

0.317 ± 0.037

 Age class 2 (23–29)

0.092 ± 0.011

0.169 ± 0.016

0.262 ± 0.019

 Age class 3 (30–37)

0.061 ± 0.010

0.128 ± 0.015

0.188 ± 0.019

 Age class 4 (38–58)

0.058 ± 0.011

0.121 ± 0.019

0.179 ± 0.021

 Male

0.083 ± 0.009

0.161 ± 0.014

0.244 ± 0.017

 Female

0.073 ± 0.008

0.140 ± 0.012

0.213 ± 0.015