Evaluation of record linkage of mortality data between a health and demographic surveillance system and national civil registration system in South Africa

Table 3 Weights for the probabilistic linkage approach with blocking on sex and year of birth

Variable	m _i	u _i	Agreement weight	Disagreement weight
Surname	0.81578	0.01588	5.68252	−2.41737
Day of birth	0.69855	0.03605	4.27643	−1.67704
Month of birth	0.75919	0.08734	3.11968	−1.92216
Year of death	0.98414	0.28645	1.78059	−5.49130
Month of death	0.80748	0.08367	3.27068	−2.25083
Day of death	0.52955	0.03286	4.01026	−1.03967
Village	0.60579	0.00808	6.22918	−1.33126
Institution/place of death	0.82785	0.43602	0.92498	−1.71199

ISSN: 1478-7954