Table 1.

Baseline characteristics of study participants

Descriptives	Men		Women				p value
Characteristics	N	Mean	SD	N	Mean	SD
Age (years)	222	75.5	2.5	221	75.8	2.6	0.280
Height (cm)	221	172.7	6.5	217	158.8	6.1	< 0.001
Weight (kg)	221	82.2	1.2	221	70.2	1.2	< 0.001
BMI (kg/m2)	221	27.9	3.9	217	28.4	5.1	0.252
	N	Median	IQR	N	Median	IQR	p value
Activity time in last 2 weeks (min/day)	205	176.4	105.0–270.0	210	199.6	135.0–282.9	0.089
Daily dietary calcium intake (mg)	222	1221	1021–1432	221	1105	939–1281	< 0.001
Alcohol consumption (units per week)	222	6.5	1.0–14.0	221	0.5	0.0–3.5	< 0.001
	Total N	N	%	Total N	N	%	p value
Smoker status	222			221			< 0.001
Never		85	38.3		142	64.3
Ex		126	56.8		73	33.0
Current		11	5.0		6	2.7
Social class	211			221			0.520
I–IIINM		89	42.2		100	45.2
IIIM–V		122	57.8		121	54.8
Years since menopause				218
< 20 years					23	10.6
≥ 20 to < 25 years					53	24.3
≥ 25 to < 30 years					45	20.6
≥ 30 to < 35 years					24	11.0
≥ 35					11	5.0
Hysterectomy					62	28.4
HRT use				213
Never					116	54.5
5 years or more ago					91	42.7
Current					6	2.8