Table 1.

Clinical Characteristics of Subjects With a Childhood DFF (Mild Trauma, Moderate Trauma, All DFF Subjects) and Nonfracture Controls

	Controls	Mild trauma	Moderate trauma	All DFF subjects	pa	pb	pc
n
Females	75	42	33	75
Males	75	37	38	75
DFF side (% left)
Females	NA	43	48	45
Males	NA	59	58	59
DFF age (year)
Females	NA	8.4 ± 0.6	9.4 ± 0.5	8.8 ± 0.4
Males	NA	9.7 ± 0.5	11.6 ± 0.5	10.6 ± 0.4
Current age (years)
Females	29.7 ± 0.6	28.9 ± 0.9	30.2 ± 1.0	29.4 ± 0.6	0.702	0.889	0.804
Males	30.1 ± 0.6	29.9 ± 0.8	29.7 ± 0.8	29.8 ± 0.6	0.969	0.911	0.718
Menarche age (year)
Females	12.8 ± 0.1	13.0 ± 0.2	12.9 ± 0.2	12.9 ± 0.1	0.560	0.858	0.372
Ever used COCs, n (%)
Females	61 (81.3)	31 (73.8)	29 (87.9)	60 (80.0)	0.556	0.633	0.836
Current use of COCs, n (%)
Females	35 (46.7)	19 (45.2)	19 (57.6)	38 (50.7)	0.985	0.494	0.624
Current smoker, n (%)
Females	3 (4.0)	7 (16.7)	3 (9.1)	10 (13.3)	0.053	0.468	0.055
Males	8 (10.7)	5 (13.5)	11 (28.9)	16 (21.3)	0.872	0.034	0.080
Current daily alcohol consumption, n (%)
Females	5 (6.7)	7 (16.7)	7 (21.2)	14 (18.7)	0.168	0.063	0.034
Males	22 (29.3)	18 (48.6)	8 (21.1)	26 (34.7)	0.089	0.562	0.484
Height (cm)
Females	166 ± 1	167 ± 1	166 ± 1	167 ± 1	0.466	0.992	0.512
Males	181 ± 1	180 ± 1	180 ± 1	180 ± 1	0.829	0.690	0.432
Weight (kg)
Females	71.1 ± 2.0	76.5 ± 2.7	69.1 ± 3.0	73.3 ± 2.0	0.194	0.815	0.450
Males	89.2 ± 1.9	89.1 ± 2.7	98.1 ± 2.6	93.7 ± 1.9	0.999	0.014	0.099
BMI (kg/m2)
Females	25.9 ± 0.7	27.3 ± 0.9	25.1 ± 1.0	26.3 ± 0.7	0.390	0.784	0.647
Males	27.2 ± 0.5	27.4 ± 0.8	30.2 ± 0.8	28.8 ± 0.6	0.978	0.005	0.049
Percent fat (%)
Females	42.4 ± 1.2	43.2 ± 1.6	37.7 ± 1.8	40.8 ± 1.2	0.890	0.064	0.359
Males	29.2 ± 1.2	32.8 ± 1.7	33.3 ± 1.7	33.0 ± 1.2	0.152	0.090	0.023
TBFM (kg)
Females	31.0 ± 1.7	34.7 ± 2.3	26.9 ± 2.6	31.3 ± 1.7	0.339	0.331	0.906
Males	26.9 ± 1.6	29.7 ± 2.3	34.0 ± 2.2	31.9 ± 1.6	0.500	0.020	0.027
TBLM (kg)
Females	36.7 ± 0.5	38.2 ± 0.7	39.0 ± 0.8	38.6 ± 0.5	0.192	0.036	0.017
Males	58.1 ± 0.8	55.3 ± 1.1	59.4 ± 1.1	57.4 ± 0.8	0.084	0.536	0.539
PA (kcal/week × 103)
Females	29.3 ± 1.2	31.2 ± 1.6	31.4 ± 1.8	31.3 ± 1.2	0.555	0.545	0.242
Males	43.8 ± 1.6	41.9 ± 2.2	45.2 ± 2.2	43.6 ± 1.6	0.741	0.831	0.934

Values are presented as mean ± SEM and p values unless otherwise specified. Significant p values are in bold.

DFF = distal forearm fracture; NA = not applicable; COC = combined oral contraceptive; BMI = body mass index; TBFM = total body fat mass; TBLM = total body lean mass; PA = physical activity.

^ap = controls versus mild trauma subjects, using Dunnett’s adjustment for multiple comparisons.

^bp = controls versus moderate trauma subjects, using Dunnett’s adjustment for multiple comparisons.

^cp = controls versus all DFF subjects.