Table 3.

One-way ANOVA of GSI T-score for age groups.

Age	Number	Mean ± sd	N	%	Homogeneity of variance test	F
<18	1	49.19 ± 2.82	22	2.08%	0.003*	7.377⁎⁎⁎ 2<1<3<4<5<6
18–29	2	48.52 ± 0.51	413	38.96%
30–39	3	49.59 ± 0.63	241	22.74%
40–49	4	50.3 ± 0.61	209	19.72%
50–60	5	53.37 ± 0.77	139	13.11%
>60	6	55.42 ± 1.76	36	3.40%

Note:.

^⁎indicates P = 0.05,.

^⁎⁎⁎indicates P < 0.001.