Exact(3)
The team of coders spent about 50 person-years on these projects, including helping to develop the methodology, monitoring the quality of the interviewing, conducting background research on exposures in different occupations, coding the individual participants' files, and recoding after the initial complete rounds of coding were finished.
The team of coders spent about 40 person-years on this project, which included developing the methodology, monitoring quality of interviewing, conducting background research on exposures in different occupations, coding the individual participants' files, and recoding after the initial complete round of coding was finished.
We defined parental social class from the maternal or paternal occupation during pregnancy based on the highest social class, using a widely used Spanish adaptation of the international ISCO88 (International Standard Classification of Occupations) coding system (Instituto Nacional de Estadística 1994).
Similar(57)
A third coder then recoded occupations where there were discrepancies, occupations coded differently by all three were reviewed by a fourth coder.
For the 1981 Census data, the 1981 Census glossary was used to determine the number of occupations coded with "glass and ceramics" or "pottery" in the title.
Social class was defined using the U.K. Registrar General 1990 Classification based on occupations coded following the ISCO 88 (Warwick Institute for Employment Research 2004).
Occupational physical activity was based on reported main lifetime occupations, coded according to the Australian Standard Classification of Occupations [ 26] and independently assigned by two of the authors (PHL, AR) as follows: sedentary, standing or manual (including heavy manual work).
FINJEM is coded for 311 classes of occupation, according to the Finnish occupation coding classification.
Each job or employment episode of the participants in this study was coded according to the Finnish occupation coding classification and a FINJEM code number (O-Code) was allocated.
Parents' occupational social class was measured by students' reports of their parents' occupation, coded into social class and categorised according to highest ranking parent into 'high', 'medium', 'low', and 'unclassifiable'unclassifiable
We used the U.K. Registrar General's 1990 classification to group subjects by social class according to maternal and paternal occupation coded using the International Standard Classification of Occupations (Warwick Institute for Employment Research 2006).
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