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Mean body mass index (weight (kg)/height (m)2) among women (n = 1,099–1,444) in phases 1 (1985–1988), 3 (1991–1993), 5 (1997–1999), and 7 (2002–2004) of the Whitehall II Study, by quartile of hostility score, United Kingdom. Bars, standard error.
