While data collected here may have been compared with the single year job history information to resolve internal ambiguities, there has been no attempt to enforce consistency between data collected here and that contained in the records wJOBHIST at this or previous waves.
Season codes were used when the respondent could not remember exact month. In the calculation of spell length it was assumed, by convention, that winter would be coded as January, spring as April, summer as July and Autumn as October.
The results contained in the following tables are obtained from unweighted data. See Volume A for a full discussion on weighting.