In addition to the data concerning this specific initiative, data from official statistics are used to provide a background for comparison.
Unit costs and prices will be obtained from official statistics, providers, health facilities, the Medical Supply Division of the Ministry of Health and the Provincial Department of Health.
Coefficients B ij, C ij, D ij are obtained from official statistics and specialized publications.
Commercial catches and effort for 1997 2007 by different gear were obtained from logbook data and from official statistics.
These indicators were collected mainly from official statistics.
Causes of death were registered from official statistics.
Our study suggests a lower rate of survival than expected from official statistics.
Data on potential demographic and socioeconomic confounders for each municipality were obtained from official statistics (Statistics Norway [ 9] and The Norwegian Institute of Public Health [ 10]).
Ethical approval has not been asked for since the study is based on aggregated numbers from official statistics.
Sometimes, the choice of indicators is restricted to secondary data provided by official statistics, whereas in other contexts researchers develop ad hoc indicators.
