Exposures | Age at menarche (years) | |||
---|---|---|---|---|
n | Mean (SD) | Crude β (95% CI) | Adjusted* β (95% CI) | |
*Adjusted for birth year, BMI. | ||||
†p<0.01. | ||||
‡p<0.05. | ||||
§p<0.001. | ||||
DDT (ng/g) | ||||
1st quartile (5.5–19.2) | 116 | 15.0 (1.4) | Reference | Reference |
2nd quartile (19.2–27.8) | 117 | 14.6 (1.4) | −0.42 (−0.79 to −0.05) | −0.55 (−0.91 to −0.18)† |
3rd quartile (27.8–41.2) | 117 | 14.8 (1.6) | −0.27 (−0.64 to 0.10) | −0.40 (−0.78 to −0.03)‡ |
4th quartile (41.2–113.3) | 116 | 14.2 (1.3) | −0.80 (−1.17 to −0.43) | −1.11 (−1.50 to −0.72)§ |
Trend | 466 | p<0.001 | p<0.001 | |
Linear DDT (per 10 ng/g) | 466 | 14.7 (1.5) | −0.14 (−0.22 to −0.06) | −0.20 (−0.28 to −0.13)§ |