Table 1

ORs for early menarche by income and ethnicity, and the proportions of these elevated risks explained by childhood body mass index (BMI), psychosocial stressors and birth weight

OR*Explained by BMI (%)Explained by stressors (%)Explained by BMI, stressors and birth weight (%)
Income (vs richest)
Ethnicity (vs white)
 Black Caribbean1.39†491879
 Black African2.5342043
  • Derived from Kelly et al.2

  • *From Model 1 (includes age, income and ethnicity).

  • †Non-significant association.