Re-census data, follow-up visits at 12 months of age and the ratio of stillbirths to neonatal deaths suggested that death registration by the DSS was nearly complete.
The survey aims to count the total number of Beijing residents and to correct false household registration information and provide accurate information for the sixth national census.
The standardized new registration rates were calculated according to the data of census in 1990. The method of linear logistic regressions was used to calculate the new registration rates.