Table 1.

Basic sample information

Category	Cohort 1 (Caucasian male)
	Low BMD	High BMD
Sample size	29	30
Age (years)	40.3(7.6)	41.1(7.5)
Height (cm)	173.7(7.3)	178.2(7.1)
Weight (kg)	75.1(15.7)	103.7(23.2)
Hip BMD (g/cm2)	0.86(0.06)	1.22(0.08)
Hip BMD Z-score	−1.2(0.4)	1.6(0.6)
Regular exercise (numbers/week)	5(2)	5(2)
Alcohol drinking (drinks/week)	7(7)	3(3)
Milk drinking (cups/week)	10(6)	11(8)
Smoking (start age)	18(13)	16(7)

Presented as mean (standard deviation). Z-score is defined as the number of standard deviations a subject’s BMD differs from the average BMD of their age-, gender-, and ethnicity-matched population