Table 4.

Bivariate association between naphthalene and frequencies of chromosomal aberrations and translocations

Spearman correlation (r)
All 5-year olds (n = 113)Chromosomal aberration frequencyTranslocation frequency
 1-Naphthol0.204a0.165
 2-Naphthol0.0530.173
 NAPH0.192a0.235a
African-American (n = 47)
 1-Naphthol−0.0900.006
 2-Naphthol−0.1630.086
 NAPH−0.0800.147
Dominican (n = 66)
 1-Naphthol0.387b0.276a
 2-Naphthol0.1800.270a
 NAPH0.380b0.334b

Abbreviation: r = Spearman coefficient.

  • aCorrelation is significant at the 0.05 level.

  • bCorrelation significant at 0.01 level.