Association of Body Compositions and Bone Mineral Density in Chinese Children and Adolescents: Compositional Data Analysis

Table 3

Multiple linear regression analysis of the relationship between body compositions and BMD (girls—compositional multiple regression model) ().

		Adj	TF		NTF		FFM
Whole-body BMD	1	0.8245	-1.060-04	0.99820	-2.921-02	0.69355	2.932-02	0.60071
	2	0.775	-4.895-02	0.205	2.740-02	0.508	2.154-02	0.220
	3	0.8756	2.943-01	0.006405	-2.358-01	0.009298	-5.857-02	0.365043
	4	0.8626	-2.462-03	0.9904	2.030-02	0.9450	-1.784-02	0.9277
	Total	0.8245	3.704-03	0.889	-2.336-02	0.446	1.966-02	0.171
Upper limb BMD	1	0.7345	3.196-02	0.43857	-2.949-02	0.64873	-2.467-03	0.95962
	2	0.8119	-4.537-03	0.86543	-1.998-02	0.48813	2.452-02	0.04554
	3	0.908	2.399-01	0.000466	-1.718-01	0.00210	-6.807-02	0.084868
	4	0.8403	5.104-03	0.97440	-3.061-01	0.19892	3.010-01	0.07048
	Total	0.8368	3.647-02	0.05973	-6.114-02	0.00646	2.467-02	0.0184
Thigh BMD	1	0.8514	4.273-02	0.5146	-1.276-01	0.2235	8.489-02	0.281
	2	0.8643	-2.234-02	0.6262	-3.463-02	0.4830	5.697-02	0.00697
	3	0.933	3.561-01	0.00128	-3.927-01	9.23-05	3.658-02	0.5629
	4	0.8292	-1.051-01	0.6992	1.735-01	0.6571	-6.832-02	0.7929
	Total	0.8649	9.711-02	0.004807	-1.423-01	0.000369	4.519-02	0.014680
Trunk BMD	1	0.8199	1.304-02	0.7656	-8.246-02	0.2396	6.943-02	0.1913
	2	0.8022	2.831-02	0.37543	-7.176-02	0.0379	4.344-02	4.344-02
	3	0.9226	3.708-01	0.000115	-2.765-01	0.000439	-9.437-02	0.077764
	4	0.8669	1.569-01	0.4310	-1.874-02	0.9469	-1.382-01	0.4682
	Total	0.8502	4.448-02	0.050306	-8.599-02	0.00114	4.151-02	0.000778
Pelvic BMD	1	0.806	4.171-02	0.5563	-1.487-01	0.1911	1.070-01	0.2115
	2	0.8273	4.608-02	0.3054	-9.748-02	0.0448	5.140-02	0.0127
	3	0.8994	4.748-01	0.000652	-4.030-01	0.000642	-7.183-02	0.361787
	4	0.8021	1.463-01	0.6273	-1.815-02	0.9663	-1.282-01	0.6569
	Total	0.8486	1.002-01	0.00267	-1.493-01	0.000117	4.909-02	0.006233

Note: 1—underweight group (), 2—normal-weight group (), 3—overweight group (), and 4—obesity group (); ; ; .