The association of age at menarche and adult height with mammographic density in the International Consortium of Mammographic Density

Ward, Sarah V.; Burton, Anya; Tamimi, Rulla M.; Pereira, Ana; Garmendia, Maria Luisa; Pollan, Marina; Boyd, Norman; dos-Santos-Silva, Isabel; Maskarinec, Gertraud; Perez-Gomez, Beatriz; Vachon, Celine; Miao, Hui; Lajous, Martín; López-Ridaura, Ruy; Bertrand, Kimberly; Kwong, Ava; Ursin, Giske; Lee, Eunjung; Ma, Huiyan; Vinnicombe, Sarah; Moss, Sue; Allen, Steve; Ndumia, Rose; Vinayak, Sudhir; Teo, Soo-Hwang; Mariapun, Shivaani; Peplonska, Beata; Bukowska-Damska, Agnieszka; Nagata, Chisato; Hopper, John; Giles, Graham; Ozmen, Vahit; Aribal, Mustafa Erkin; Schüz, Joachim; Van Gils, Carla H.; Wanders, Johanna O. P.; Sirous, Reza; Sirous, Mehri; Hipwell, John; Kim, Jisun; Lee, Jong Won; Dickens, Caroline; Hartman, Mikael; Chia, Kee-Seng; Scott, Christopher; Chiarelli, Anna M.; Linton, Linda; Flugelman, Anath Arzee; Salem, Dorria; Kamal, Rasha; McCormack, Valerie; Stone, Jennifer

doi:10.1186/s13058-022-01545-9

Table 3 Association of per cent density and dense area with adult height in pooled ICMD studies

From: The association of age at menarche and adult height with mammographic density in the International Consortium of Mammographic Density

	No. of women	No. of measurements	Per cent density^a		Dense area^a,e
	No. of women	No. of measurements	Changes in square-root per cent density (SE)	P value	Changes in square-root dense area (SE)	P value
Height (categorical) (cm)
< 155	2718	3240	0		0
155–159.9	2551	3027	− 0.041 (0.037)	0.259	0.048 (0.048)	0.319
160–164.9	2683	3151	− 0.056 (0.038)	0.141	0.096 (0.050)	0.057
≥ 165	2480	2900	− 0.075 (0.042)	0.076	0.118 (0.055)	0.034
Linear associations with a 10 cm increase in adult height
All women—Model A^b
All, without BMI adjustment	10,432	12,318	0.044 (0.023)	0.054	0.069 (0.028)	0.012
All, without age at menarche adjustment	10,432	12,318	− 0.057 (0.021)	0.007	0.062 (0.028)	0.025
All, with BMI and menarche adjustment	10,432	12,318	− 0.060 (0.021)	0.005	0.059 (0.028)	0.034
By BMI strata: (kg/m²)
≤ 20.0	652	752	0.042 (0.075)	0.569	0.184 (0.073)	0.011
20.1–25.0	3882	4551	− 0.008 (0.034)	0.811	0.112 (0.041)	0.006
25.1–30.0	3328	3937	− 0.043 (0.037)	0.241	0.121 (0.050)	0.015
> 30.0	2570	3078	− 0.138 (0.040)	0.001	− 0.026 (0.060)	0.670
Subset by height measurement method
Measured	7062	8389	− 0.040 (0.026)	0.125	0.084 (0.034)	0.015
Self-reported	3370	3929	− 0.096 (0.036)	0.007	0.020 (0.047)	0.676
Pre-menopausal women—Model B^c
All	4221	5000	− 0.049 (0.032)	0.130	0.074 (0.044)	0.092
Subset by parity
Nulliparous women	478	553	− 0.201 (0.089)	0.024	− 0.012 (0.117)	0.922
Parous women	3743	4447	− 0.023 (0.034)	0.503	0.099 (0.047)	0.034
Parous women + age 1st birth adjustment	3743	4447	− 0.024 (0.034)	0.490	0.099 (0.047)	0.033
Post-menopausal women—Model C^c
All	5747	6769	− 0.067 (0.028)	0.017	0.047 (0.036)	0.201
All + age at menopause adjustment	5747	6769	− 0.070 (0.028)	0.013	0.043 (0.036)	0.239
Subset by parity
Nulliparous women	531	622	− 0.144 (0.081)	0.076	− 0.084 (0.098)	0.389
Parous women	5216	6147	− 0.041 (0.029)	0.163	0.090 (0.039)	0.019
Parous women + age at 1st birth adjustment	5216	6147	− 0.045 (0.029)	0.121	0.085 (0.038)	0.027
Parous women + age at menopause adjustment	5216	6147	− 0.043 (0.029)	0.139	0.087 (0.038)	0.023
Parous women + age at 1st birth + age at menopause adjustments	5216	6147	− 0.047 (0.029)	0.107	0.083 (0.038)	0.031
Nulliparous women—Model D^d
All	1059	1229	− 0.197 (0.060)	0.001	− 0.043 (0.075)	0.563
Parous women—Model E^b
All	9321	11,024	− 0.036 (0.022)	0.111	0.090 (0.030)	0.002
All + age at 1st birth adjustment	9321	11,024	− 0.038 (0.022)	0.090	0.088 (0.030)	0.003

BMI body mass index, ICMD International Consortium of Mammographic Density, SE standard error
^aA multi-level linear regression model was used to estimate the difference in square-root per cent density and dense area associated with each 10 cm increase in height. Models specified correlations of women (level 1) within population groups (level 2)
^bModels A (all women) and E (parous women): adjusted for age at mammogram³, menopausal status, age at mammogram* menopausal status interaction term, BMI³, use of HRT, mammogram view, calibration, reader, parity, age at menarche
^cModels B (pre-menopausal women) and C (post-menopausal women): adjusted for age at mammogram³, BMI³, use of HRT, mammogram view, calibration, reader, parity, age at menarche
^dModel D (nulliparous women): adjusted for age at mammogram³, menopausal status, age at mammogram* menopausal status interaction term, BMI³, use of HRT, mammogram view, calibration, reader, age at menarche
^eDense area models: BMI² adjusted for instead of BMI³

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ISSN: 1465-542X

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