Table A1.

ORs From Multinomial Logistic Regression Model Relating Triad Risk Factors to Risk of Prospective Trabecular-Rich or Cortical-Rich BSI Stratified for Cross-Country Runners (n = 58) ^a

	Trabecular-Rich BSI vs Cortical-Rich BSI		Trabecular-Rich BSI vs No BSI		Cortical-rich BSI vs No BSI
Characteristic	OR (95% CI)	P	OR (95% CI)	P	OR (95% CI)	P
Spine BMD (per SD)	2.90 (1.24-6.76)	.039	2.90 (1.24-6.76)	.014	1.07 (0.58-1.97)	.94
Total BMD (per SD)	3.25 (1.06-10.00)	.039	3.34 (1.24-9.01)	.017	1.03 (0.50-2.14)	.35
Overall Triad cumulative risk score (per point)	1.09 (0.80-1.50)	.58	1.52 (1.08-2.15)	.016	1.39 (1.01-1.93)	.043
Oligomenorrhea risk score (per point)	1.53 (0.50-4.74)	.46	2.31 (0.87-6.12)	.093	1.51 (0.60-3.80)	.39
Previous BSI risk score (per point)	1.01 (0.42-2.46)	.98	4.78 (1.72-13.26)	.0026	4.78 (1.93-11.84)	.00072
BMD risk score (per point)	1.81 (0.45-7.31)	.41	2.64 (0.79-8.85)	.115	1.46 (0.41-5.17)	.56
Menarche risk score (per point)	1.40 (0.50-3.94)	.53	3.28 (1.23-8.74)	.017	2.35 (0.98-5.63)	.055
Stress reaction/stress fracture risk score (per point)	1.85 (0.38-8.96)	.44	3.28 (0.76-14.17)	.11	1.77 (0.37-8.55)	.48
Low energy availability risk score (per point)	1.28 (0.28-5.93)	.75	3.90 (0.56-26.98)	.17	3.05 (0.45-20.71)	.25
Weight (per SD lower)	3.47 (0.75-16.13)	.11	4.95 (1.17-20.83)	.030	1.43 (0.62-3.26)	.40
Height (per SD higher)	0.40 (0.11-1.44)	.16	0.78 (0.25-2.42)	.67	1.93 (0.85-4.42)	.12
BMI (per SD lower)	2.14 (0.50-9.09)	.30	5.59 (1.39-22.73)	.015	2.62 (1.00-6.85)	.050
Percentage body fat (per SD lower)	1.21 (0.43-3.38)	.71	1.52 (0.63-3.72)	.35	1.26 (0.61-2.61)	.54

^a Models are stratified for cross-country runners. Boldface P values indicate statistical significance (P < .05). BMD, bone mineral density; BMI, body mass index; BSI, bone stress injury; OR, odds ratio.