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Table 1 Distribution of demographic, socio-economic and phenotypic characteristics of studied population

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

  Mean (± SD) or N (%)
Age (years) 34,7 (± 12,6)
School attendance (years) 8,6 (± 4,2)
Self-assigned skin colour  
   White 20 (40%)
   Light mulatto 6 (12%)
   Mixed 6 (12%)
   Dark mulatto 8(16%)
   Black 10 (20%)
Observed skin colour*  
   White 27 (54%)
   Mixed 13 (26%)
   Black 10 (20%)
Hair colour*  
   Black 18 (36%)
   Dark brown 16 (32%)
   Medium brown 7 (14%)
   Light brown 7 (14%)
   Blond 2 (4%)
Hair style *  
   Straight 13 (26%)
   Wavy 17 (34%)
   Curly 13 (26%)
   Afro 7 (14%)
Colour of lines and hand palm surface *  
   Pink palm and colourless lines 25 (50%)
   Pink palm and red lines 13 (26%)
   White palm and dark lines 12(24%)
Number of black ascendants  
   0 28 (56%)
   1 7 (14%)
   2 5 (10%)
   3 or more 10 (20%)
  1. * According to the observation of the majority of interviewers