Table 2.

Comparison of the NHtR across three groups categorized by age

Age (years)	N	Abdominal Obesity Group (n = 854)	Pre-Abdominal Obesity Group (n = 703)	Normal Group (n = 2,171)	F	P
7	485	0.216 ± 0.012bc	0.209 ± 0.010a	0.208 ± 0.016a	8.794	0.000
8	399	0.216 ± 0.152bc	0.207 ± 0.019a	0.204 ± 0.017a	19.204	0.000
9	442	0.217 ± 0.017bc	0.202 ± 0.014a	0.199 ± 0.014a	56.942	0.000
10	365	0.216 ± 0.017bc	0.201 ± 0.015a	0.200 ± 0.013a	43.601	0.000
11	390	0.208 ± 0.018bc	0.197 ± 0.009ac	0.189 ± 0.012ab	67.617	0.00
12	341	0.208 ± 0.012bc	0.201 ± 0.014ac	0.186 ± 0.010ab	133.960	0.000
13	354	0.212 ± 0.014bc	0.198 ± 0.013ac	0.189 ± 0.010ab	102.345	0.000
14	344	0.210 ± 0.012bc	0.198 ± 0.012ac	0.190 ± 0.010ab	93.388	0.000
15	348	0.216 ± 0.013bc	0.202 ± 0.014ac	0.193 ± 0.009ab	105.495	0.000
16	348	0.216 ± 0.013bc	0.202 ± 0.014ac	0.193 ± 0.009ab	105.495	0.000

^aCompared with the abdominal obesity group, P < 0.05; ^bCompared with the pre-abdominal obesity group, P < 0.05; ^cCompared with the normal group, P < 0.05. NHtR, Neck-height ratio