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Fig. 1 | Systematic Reviews

Fig. 1

From: Assessing risk of bias in human environmental epidemiology studies using three tools: different conclusions from different tools

Fig. 1

Comparison of risk of bias determinations for Navigation Guide, OHAT, IRIS, and TSCA tools. Abbreviations: OHAT, Office of Health Assessment and Translation; IRIS, Integrated Risk Information System; TSCA, Toxic Substances Control Act; ROB, risk of bias. Note: Double plus sign indicates low ROB, single plus sign indicates probably low ROB, single minus sign indicates probably high ROB, double minus sign indicates high ROB for IRIS, OHAT, and Navigation Guide. 1 indicates high, 2 indicates medium, 3 indicates low, 4 indicates unacceptable for TSCA. Study population for TSCA pertains to question 1. Attrition/exclusion for TSCA pertains to question 2. Sensitivity for TSCA pertains to question 5. Scores for TSCA were calculated by using the weighted sum of the individual questions within each domain

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