Table 1 The data sources of the study (adapted from [13])
From: Fixed-term contract positions, unemployment and mental ill health: a Danish cohort study
Data source | Type of data source | Information included in the present study |
|---|---|---|
The Danish labor force survey [15] | Survey data obtained from interviews on random samples of the population of Denmark | Date of the interview, employment status and type of employment contract |
The central person register [14] | National register, which covers all residents of Denmark | Gender, age, date of migration, and date of death |
The Danish education registers [16] | National register, which covers all residents of Denmark | Educational level |
The Danish family income register [17] | National register, which covers all residents of Denmark | Equalized disposable family income |
The Danish register for evaluation of marginalization [18] | National register, which covers all residents of Denmark | Date of welfare benefits payment and type of welfare benefits payment |
The psychiatric central research register [19] | National register, which covers all residents of Denmark | Date of hospital contact and principal diagnosis (ICD-10a code) |
The national prescription register [20] | National register, which covers all residents of Denmark | Date of redeemed prescription and type of medicine (ATCb-code) |