Table 3. Twin baptism records between 1964–1968 and in the remainders years in Linha Sao Pedro (LSP) and in others Cândido Godói's (CG-LSP) districts.

CG	Twins	No-twins	P value
1964–1968	9	778	0.4815
Others years	80	5395
CG-LSP	Twins	No-twins
1964–1968	4	718	0.2940*
Others years	53	5018
LSP	Twins	No-twins
1964–1968	5	60	0.7724**
Others years	27	377

*Pyates.

**Pwilliams.