From: Childhood and adolescent phenol and phthalate exposure and the age of menarche in Latina girls
Characteristic | Distribution |
---|---|
Age [years; median (range)] | |
 At B1 EDC Measurement | 7.9 (6.7–9.6) |
 At B4 EDC Measurement | 11.2 (9.4–13.1) |
Attained Menarche during Study Category [count (%)] | |
 Yes | 182 (91.0) |
 No | 18 (9.0) |
Age at Menarche [years; median (range)] | 12.0 (9.4–13.8) |
BMI Z-score [median (range)] | |
 At B1 EDC Measurement | 0.5 (−2.2–2.4) |
 At B4 EDC Measurement | 0.5 (−2.7–2.2) |
BMI Category [count (%)] | |
 At B1 EDC Measurement | |
  Under-weight or Normal weight (<85th Percentile) | 147 (73.5) |
  Overweight or Obese (≥85th percentile) | 53 (26.5) |
 At B1 EDC Measurement |  |
  Under-weight or Normal weight (<85th Percentile) | 137 (68.5) |
  Overweight or Obese (≥85th percentile) | 63 (31.5) |
Height Z-score [median (range)] | |
 At B1 EDC Measurement | −0.1 (−2.6–2.1) |
 At B4 EDC Measurement | 0.1 (−2.1–2.3) |
Maternal Education [count (%)] | |
 Post-Secondary Education | 46 (23.0) |
 No Post-Secondary Education | 154 (77.0) |