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Fig. 3 | BMC Public Health

Fig. 3

From: Indicators for evaluating European population health: a Delphi selection process

Fig. 3

Panellist’s vote distribution curve over successive Delphi rounds, by area of concern (Kernel density curves of responses). Each density curve represents the distribution of the panellist’s responses on a 5-level Likert scale (SD: Strongly disagree; D: Disagree; NAD: Neither agree nor disagree; A: Agree; SA: Strongly agree) by area of concern and round. In each round the density curve of responses given on the indicators included for evaluation is presented. In the 2nd and 3rd rounds, the vote distribution curve corresponds to the answers given on the indicators that did not gather agreement in the 1st round and were included for re-evaluation

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