This item is not available in full-text via OUR Archive. Where available, a link to the published version is provided (check the DOI and/or the Files and links section). The full-text item may be open access on the publisher's website. Alternatively, readers may have subscription access to the full-text from the publisher. A link to a legal, open access version may be available - check the Abstract for this information. For all queries relating to the Dunedin Study, its research and publications, please email: dmhdru@otago.ac.nz