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Table 2 Success rate of linkage algorithm by type of match (N = 200,343)

From: The Linked CENTURY Study: linking three decades of clinical and public health data to examine disparities in childhood obesity

Matching phase Type of match Number linked %
1 Child’s first, middle, and last name & dob and mother’s dob 5282 2.6 %
2 Child’s first, middle initial, and last name & dob and mother’s dob 32094 16.0 %
3 Child’s first, middle, and last name & dob 3035 1.5 %
4 Child’s first, middle initial, and last name & dob 66730 33.3 %
5 Child’s first and last name & dob 90506 45.2 %
6 Child’s first 3 letters of first name and last name & dob 2696 1.3 %