Value | Category |
---|---|
1 | Month and year given |
2 | Month and age given - year imputed |
3 | Year and age given - month imputed |
4 | Year and age given - year ignored |
5 | Year given - age, month imputed |
6 | Age given - year, month imputed |
7 | Month given - age, year imputed |
8 | None - all imputed |
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