Maternal characteristicsc
|
n = 303
|
n = 490
|
At participant’s birth only
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Mother’s age at menarche (per 1 SD 1.5 years)
|
0.98 (0.96–1.01)
|
1.00 (0.98–1.01)
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Age mother first used OC (per 1 SD 3.1 years)
|
1.00 (0.98–1.02)
|
1.00 (0.98–1.02)
|
Mother’s height (per 1 SD 6.5 cm)
|
1.02 (1.00–1.04)
|
1.03 (1.01–1.05)
|
Mother’s age at first birth (per 1 SD 4.7 years)
|
0.99 (0.96–1.03)
|
0.98 (0.96–1.01)
|
Mother’s age at participant’s birth (per 1 SD 4.5 years)
|
1.00 (0.96–1.03)
|
1.01 (0.98–1.03)
|
Mother’s pre-pregnancy BMI (per 1 SD 3.0 kg/m2)
|
1.01 (0.99–1.03)
|
1.01 (0.99–1.03)
|
Mother’s parity at participant’s birth
|
0
|
1 (ref)
|
1 (ref)
|
1
|
1.04 (0.99–1.10)
|
1.02 (0.98–1.06)
|
2+
|
1.00 (0.93–1.08)
|
1.00 (0.95–1.06)
|
Mother had a history of breast cancer
|
No
|
1 (ref)
|
1 (ref)
|
Yes
|
1.01 (0.95–1.08)
|
1.01 (0.96–1.07)
|
Maternal characteristics at participant’s birth and at mammographyd
|
Mother’s MPD (per 1 SD 13.4 %)
|
1.06 (1.01–1.10)
|
–
|
In utero exposurese
|
n = 107
|
n = 490
|
Placental weight (per 1 SD 133.5 g)
|
1.03 (0.99–1.07)
|
1.03 (0.99–1.07)
|
Absolute GWG, week 0 to delivery (per 1 SD 3.9 kg)
|
0.97 (0.93–1.01)
|
1.00 (0.98–1.02)
|
Mother drank alcohol during pregnancy (%)
|
No
|
1 (ref)
|
1 (ref)
|
Yes
|
1.01 (0.91–1.11)
|
1.00 (0.95–1.06)
|
Mother smoked during pregnancy (%)
|
No
|
1 (ref)
|
1 (ref)
|
Yes
|
0.95 (0.89–1.03)
|
0.99 (0.96–1.04)
|