Table 4. The interaction effects of age and gender on anthropometric and musculoskeletal indicators (N=167)

Characteristics	10 years old (n=61)		11 years old (n=59)		12 years old (n=47)		Age*Gender
	Boy (n=29)	Girl (n=32)	Boy (n=26)	Girl (n=33)	Boy (n=17)	Girl (n=30)	F	p
Height (cm)	143.58±7.10	141.60±6.56	151.59±8.85	152.21±5.76	155.63±6.87	157.22±7.47	.913	.403
Weight (kg)	44.87±13.63	39.60±8.04	53.15±16.60	48.42±9.55	55.80±9.35	51.64±14.24	.027	.974
BMI (kg/m2)	21.36±4.88	19.68±3.26	22.75±5.18	20.95±4.11	23.20±3.66	20.61±4.54	.153	.858
WC (cm)	71.44±2.18	65.72±2.31	78.00±2.41	71.61±2.04	78.047±2.52	71.22±1.87	.030	.970
HS (kg)	19.77±7.79	16.43±6.20	23.59±9.03	22.49±6.75	27.37±8.80	25.28±9.10	.300	.741
CVA (°)	40.04±10.23	39.25±8.90	40.28±11.71	43.74±9.16	43.51±10.07	44.91±9.22	.692	.502
TSA (°)	1.91±1.43	1.98±1.52	1.81±1.24	1.82±2.00	1.79±1.20	1.88±1.51	.009	.991
LSA (°)	1.28±0.95	1.59±1.26	1.77±1.45	1.97±1.87	1.56±1.20	1.97±2.48	.050	.951

Data are expressed as mean±SD. BMI, body mass index, WC, waist circumstance; HS, hand strengths; CVA, craniovertebral angle; TSA, thoracic scolio-angle; LSA, lumbar scolio-angle.