Measures of socioeconomic and educational disadvantage, comparing i) participants who did and did not attend the research clinic and ii) clinic attendees who did and did not take the chlamydia test.
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资源简介：
aPercentages using all observed values for each variable. bSpecial Educational Needs (SEN) status at one or more timepoint (age 7, 12–13 and/or 13–14 years).
创建时间：
2014-08-25
