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The top 10 neighbors for JAMA span medical journals, health-policy academics, news publishers, and a research organization — a mixed cluster compressed into a narrow similarity band, with no single standout pulling away from the rest.
The shape is flat: scores run from 0.98 (The BMJ) and 0.98 (The Lancet) at the top down to 0.96 (NIH) at position 10, a spread of only about two points. That compression means no neighbor dominates; the audience looks equally at home across the whole set. Three of the top 10 share JAMA's own subcategory — Magazines — in The BMJ, The Lancet, and Health Affairs (0.96). The remaining seven cross into other kinds: Eric Topol (0.98) and Andy Slavitt are Professionals; Atul Gawande (0.97) and Ashish K. Jha (0.96) are Academics; Kaiser Health News (0.97) and NPR Health News (0.96) are News Publishers; and NIH is a Research Organization. The cross-kind presence of individual Professionals and Academics at scores nearly matching the peer journals is the most notable structural feature: this audience tracks named experts as closely as it tracks institutional publications.
The flat, tight cluster suggests an audience defined by a coherent professional and policy-oriented orientation rather than by loyalty to any single format or outlet.
