Table 1.

Baseline characteristics of study participants by biological sex

	Men			Women			p-value
	N	Mean	SD	N	Mean	SD
Age (years)	169	75.4	2.5	154	75.7	2.6	0.441
BMI (kg/m2)	169	27.7	3.8	152	28.3	4.9	0.174

	N	Median	IQR	N	Median	IQR	p-value
Activity time in last 2 weeks (min/day)	156	187	127–274	146	206	141–283	0.267
Daily dietary calcium intake (mg)	169	1233	1011–1413	154	1087	913–1254	< 0.001
Alcohol consumption (units per week)	169	6.9	1.8–14.0	154	0.5	0.0–4.5	< 0.001

	Total N	N	%	Total N	N	%	p-value
Smoker status	169			154			< 0.001
Never		70	41.4		98	63.6
Ex		93	55.0		52	33.8
Current		6	3.6		4	2.6
Social class	162			154			0.958
I–IIINM		70	43.2		67	43.5
IIIM–V		92	56.8		87	56.5
No. of comorbidities	169			154			0.388
0		33	19.5		37	24.0
1		66	39.1		45	29.2
2		41	24.3		39	25.3
3		17	10.1		17	11.0
≥ 4		12	7.1		16	10.4

	N	Median	IQR	N	Median	IQR	p-value
PSQI score	156	4	2–7	144	5	3–8	0.033

	Total N	N	%	Total N	N	%	p-value
PSQI score > 5	156	58	37.2	144	62	43.1	0.346