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Table 2 Agreement between self-assigned and observed skin colour of the participants

From: Reliability of race assessment based on the race of the ascendants: a cross-sectional study

Skin colour Overall agreement Kappa (95% Cl)
White 95% 0.75 (0.72–0.78)
Mixed 55% 0.61 (0.58–0.64)
Black 90% 0.89 (0.86–0.92)
Global 78% 0.75 (0.71–0.79)