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Additive Bayesian networks describing the interrelationship for all health indicators (a), chronic diseases (b), Self-perceived health (c), quality of life (QoL) (d) for Italian elderly. Source: The Survey on Health, Aging, and Retirement in Europe, wave 6th, 2015 year. BMI = Body Mass Index, Itest = Immediate verbal recall test, Dtest = Delayed verbal recall test.
