Test – retest reliability	Mean ±SD		ICC AvgMea	95% CI	CV %	Qualitative Inference
Test – retest reliability	Test 1	Test 2	ICC AvgMea	95% CI	CV %	Qualitative Inference
Femoral Neck
Neck BMC (g)	4.74 ±0.63	4.70 ±0.76	0.98s	0.94 to 0.99	2.01	Excellent
Neck BMD (g/cm2)	0.95 ±0.11	0.96 ±0.11	0.99s	0.97 to 1.00	1.12	Excellent
Total BMC (g)	37.2 ±6.25	37.2 ±6.27	1.00s	0.99 to 1.00	1.12	Excellent
Total BMD (g/cm2)	1.07 ±0.12	1.07 ±0.12	1.00s	0.99 to 1.00	0.64	Excellent
Lumbar Spine (L1 - L4)
Total BMC (g)	72.2 ±8.91	73.5 ±9.02	1.00s	0.99 to 1.00	0.70	Excellent
Total BMD (g/cm2)	1.16 ±0.15	1.15 ±0.15	0.99s	0.98 to 1.00	1.08	Excellent
Hip Structural Analysis
Narrow Neck CSA (cm2)	3.50 ±0.51	3.52 ±0.58	0.91s	0.98 to 1.00	1.56	Excellent
Narrow Neck Z (cm3)	1.64 ±0.32	1.64 ±0.31	0.99s	0.97 to 1.00	1.88	Excellent
Narrow Neck Cort. Thick. (cm)	0.23 ±0.03	0.23 ±0.03	0.99s	0.95 to 1.00	1.45	Excellent
Body Composition
Total Body Fat Mass (g)	20630 ±9019	20409 ±9107	1.00s	0.99 to 1.00	1.23	Excellent
Total Body Lean + BMC (g)	52021 ±7793	52179 ±7837	1.00s	0.99 to 1.00	0.69	Excellent
Total Body Mass (g)	72586 ±15343	72588 ±15441	1.00s	1.00 to 1.00	0.32	Excellent
Total Body Fat (%)	27.5 ±6.70	27.2 ±6.77	1.00s	0.99 to 1.00	1.23	Excellent

Table 2: Test-retest reliability of DEXA for left hip and lumbar spine (L1 - L4) BMD, BMC, hip structural analysis (left hip only) and total body composition measures
Key: ICC Intraclass correlation coefficient; AvgMea Average measures; s p < 0.001; CV Coefficient of Variation; BMC Bone mineral content; BMD Bone mineral density; CSA Cross sectional area; Z Section modulus; Cort Cortical; Thick Thickness

Demographics	All Participants (n = 17)
Age (yr)	32.3 ± 7.70
Height (cm)	166.5 ± 5.90
Body mass (kg)	69.1 ± 23.2
BMI (kg·m )	24.6 ± 7.70
Body fat (%)	27.5 ± 6.70

Tables at a glance

Figures at a glance