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Fig. 2 | Environmental Health

Fig. 2

From: Demonstrating the undermining of science and health policy after the Fukushima nuclear accident by applying the Toolkit for detecting misused epidemiological methods

Fig. 2

Directed acyclic graph explaining confounding owing to the timing of screening

aScreening program was started according to the order of areas of Fukushima Prefecture with the highest contamination levels, determined using WHO Preliminary dose estimation [66]

☆ indicates the primary causal hypothesis in the present study

★ indicates main variables analyzed. Box indicates the adjusted confounding factor. Blue arrows indicate causal paths. The red arrow indicates the main causal path. The white arrow indicates the backdoor path induced by confounding. "+" or "-" with each arrow indicates positive and negative correlation, respectively

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Environmental Health

ISSN: 1476-069X