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| mrepo:topics:puberty [02/03/2018 @ 12:22] – adammoore | mrepo:topics:puberty [14/11/2023 @ 12:22] (current) – director | ||
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| ==== Puberty ==== | ==== Puberty ==== | ||
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| - | During medical examinations performed in 1961 when cohort members were aged 14 or 15 years, school doctors established whether the female members of the study had started their periods and if so, the month and year of onset of the first period. If a study member had not reached menarche by the time of the interview this was recorded. In 1994 (at age 48 years) women were asked to remember their age (in years) at menarche. \\ | + | During medical examinations performed in 1961 when cohort members were aged 14 or 15 years, school doctors established whether the female members of the study had started their periods and if so, the month and year of onset of the first period. If a study member had not reached menarche by the time of the interview this was recorded. In |
| A set of variables using only information provided in 1961 has been derived. Age at menarche in months since birth and years are available. \\ | A set of variables using only information provided in 1961 has been derived. Age at menarche in months since birth and years are available. \\ | ||
| - | A second set of age at menarche variables have been created which incorporate information from the women’s health questionnaire in 1994. If women had a valid age at menarche recorded in 1960-1 this is used. However, if women had not reached menarche by 1960-1 and reported an age at menarche in 1994 of > 13y the age of menarche they reported in 1994 is used. Age in months and years is available. (see Cooper R, et al., [[http:// | + | A second set of age at menarche variables have been created which incorporate information from the women’s health questionnaire in 1994. If women had a valid age at menarche recorded in 1960-1 this is used. However, if women had not reached menarche by 1960-1 and reported an age at menarche in 1994 of > 13y the age of menarche they reported in 1994 is used. Age in months and years is available. This enlarged dataset is the usual one used for analyses. (see Cooper R, et al., [[http:// |
| At age 11 and 15 years, a variable indicating whether there was sign of breast development among girls was recorded.\\ | At age 11 and 15 years, a variable indicating whether there was sign of breast development among girls was recorded.\\ | ||
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| + | === Obtaining the standard puberty variables === | ||
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| + | * You can obtain a list of the standard topic variables to use in an NSHD data sharing request by selecting the link below.\\ | ||
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| + | \\ < | ||
| + | [[http:// | ||
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