Blood 25-hydroxyvitamin D and percent mammographic density (%MD).

<p>¹Adjusted by age (continuous), BMI (continuous), calcium and energy intake (continuous) (estimated from diet including supplements).</p><p>Blood 25-hydroxyvitamin D and percent mammographic density (%MD).</p

Month the mammogram was taken and percent mammographic density (%MD) by geographic region of usual area of residence.

<p>¹Usual residence, South, i.e., Akershus and Hordaland counties 60°N and North, i.e., Nordland county 67°N</p><p>²n = 268 missing values on month the mammogram was taken(season)</p><p>³Least square means adjusted for age (continuous), body mass index (continuous), estrogen and progestin therapy (never, past and current), parity (0, 1,2 or ≥3),</p><p>Educational level (≤10 years, 11–14 years and ≥15 years) and study year (0 = 2004 or 1 = 2006/07).</p><p>Month the mammogram was taken and percent mammographic density (%MD) by geographic region of usual area of residence.</p

Mammographic percent density (%MD) by month the mammogram was taken, vitamin D intake (quartiles), and calcium intake (quartiles) in women overall, <55 and > = 55 years at mammography.

<p>¹Least square means mutually adjusted (for age (continuous), body mass index (continuous), estrogen and progestin therapy (never, past and current), parity (0, 1,2 or ≥3), educational level (≤10 years, 11–14 years and ≥15 years) and study year (0 = 2004 or 1 = 2006/07)</p><p>Calcium and energy (continuous) (estimated from diet including supplements)</p><p>²Total = diet plus supplements</p><p>³Likelihood ratio test is done on a nested model including variables as described in ¹ compared to a model including sinusoidal function on month the mammogram was taken.</p><p>Mammographic percent density (%MD) by month the mammogram was taken, vitamin D intake (quartiles), and calcium intake (quartiles) in women overall, <55 and > = 55 years at mammography.</p

Percent mammographic density (%MD) by quartiles of vitamin D, calcium and energy intakes, stratified by month the mammogram was taken.

<p>¹The majority of the mammograms in 2004 were taken in October-December. Because there were so few mammograms in June-August we added September to this category</p><p>²Total = diet plus supplements</p><p>³Least square means adjusted for age (continuous), body mass index (continuous), estrogen and progestin therapy (never, past and current), parity (0, 1,2 or ≥3),</p><p>Educational level (≤10 years, 11–14 years and ≥15 years) and study year (0 = 2004 or 1 = 2006/07) energy with supplements (continuous), vitamin D with supplements and calcium (where appropriate).</p><p>Percent mammographic density (%MD) by quartiles of vitamin D, calcium and energy intakes, stratified by month the mammogram was taken.</p

Percent mammographic density (%MD) by total vitamin D intake (quartiles), stratified by total calcium intake (quartiles) (N = 3114).

<p>¹Total = diet plus supplements</p><p>²Least square means adjusted for age (continuous), body mass index (continuous), estrogen and progestin therapy (never, past and current), parity (0, 1,2 or ≥3)</p><p>Educational level (≥10 years, 11–14 years and 15+ years), study year (0 = 2004 or 1 = 2006/07), calcium with supplements (continuous), and energy with supplements (continuous).</p><p>Percent mammographic density (%MD) by total vitamin D intake (quartiles), stratified by total calcium intake (quartiles) (N = 3114).</p