Authors

Population

Frequencies

Statistical test

Abramowitz et al. 2002 in France [11]

165

44.4%

P = 0.000162

Poskus T et al. 2014 in Lithuania [14]

280

43.9%

P = 0.000045

Poudiougo Abdoul Mouinou [15]

176

45.5%

P = 0.000055

Our study

150

24%