| Background information |
The SfL Survey was in two parts. The first was based around a 20-minute background interview and two skills assessments one for literacy and one for numeracy. On this basis respondents were assigned to one of 5 skill levels for both literacy and numeracy (Entry level 1 or below, Entry level 2, Entry level 3, Level 1, and Level 2 and above). The survey was clustered by wards within Government Office Regions and there were 8,730 interviews with adults in households aged 16-65, representing a 59% response rate of selected households. Non-response weights have been calculated for region, age and sex.
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