Table 3 Description of the probabilistic linkage blocking passes
Blocking pass | Indexing key | Comparison | Calculated score range according to estimated weights | Score cutoff values | ||
|---|---|---|---|---|---|---|
CadU × HR | CadU × IH | CadU × IM | ||||
1 | Soundex first name + Soundex last name + sex + birthyear | Individual name + mother’s name + birth date | − 38.71 to 34.99 | 28.60 | 33.97 | 21.90 |
2 | Soundex first name + sex + birthyear | Individual name + mother’s name + birth date | − 38.71 to 34.99 | 31.67 | 32.88 | 31.91 |
3 | Soundex last name + sex + birthyear | Individual name + mother’s name + birth date | − 38.71 to 34.99 | 34.00 | 34.55 | 34.11 |
4 | Soundex first name + soundex last name + sex | Individual name + mother’s name + birth date | − 38.71 to 34.99 | 32.73 | 33.00 | 31.70 |
5 | Soundex first name + soundex last name + birthyear | Individual name + mother’s name + birth date | − 38.71 to 34.99 | 32.21 | 33.12 | 34.44 |
6 | Soundex first name + soundex last name + sex + birthyear | First individual name + last individual name + mother’s name + birth date | − 53.51 to 45.38 | 41.30 | 43.86 | 44.23 |
7 | Soundex first name + soundex last name + sex + birthyear | Individual name + birth date | − 32.57 to 21.9 | 17.20 | 17.68 | 17.32 |