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

Table 2 Weights for the probabilistic linkage approach with blocking on sex and year of death

Variable	m _i	u _i	Agreement weight	Disagreement weight
Surname	0.80987	0.01581	5.67838	−2.37191
Day of birth	0.62776	0.03498	4.16563	−1.37431
Month of birth	0.68986	0.08655	2.99473	−1.55840
Year of birth	0.80879	0.01643	5.62171	−2.36291
Month of death	0.80330	0.08366	3.26334	−2.21987
Day of death	0.53200	0.03253	4.03141	−1.04770
Village	0.60572	0.00832	6.18540	−1.33066
Institution/place of death	0.82912	0.42244	0.97283	−1.75695

ISSN: 1478-7954