Table 3.

Overall seasonal variations in body composition over the three-year study period, with winter as a reference

Parameters	Models	Season	B	95% CI	Wald χ2	P
Post-BMI	Unadjusted	Spring	-0.67	-1.80-0.47	1.32	>0.05
		Summer	-1.08	-1.91- -0.25	6.52	0.011
		Fall	-0.79	-1.20- -0.39	14.61	<0.001
	Model 1	Spring	0.09	-0.54-0.73	0.08	>0.05
		Summer	-0.57	-1.05- -0.08	5.23	0.022
		Fall	-0.53	-0.82- -0.25	13.84	<0.001
	Model 2	Spring	0.12	-0.52-0.75	0.13	>0.05
		Summer	-0.51	-0.98- -0.05	4.63	0.031
		Fall	-0.52	-0.78- -0.27	16.06	<0.001
Relative OH	Unadjusted	Spring	3.76	1.55-5.97	11.10	0.001
		Summer	3.54	1.52-5.56	11.74	0.001
		Fall	2.08	1.02-3.14	14.69	<0.001
	Model 1	Spring	3.17	1.34-4.99	11.57	0.001
		Summer	3.14	1.30-4.97	11.26	0.001
		Fall	1.86	0.85-2.86	13.19	<0.001
	Model 2	Spring	1.98	0.84-3.11	11.63	0.001
		Summer	2.19	0.90-3.47	11.14	0.001
		Fall	1.59	0.79-2.38	15.24	<0.001
LTI	Unadjusted	Spring	-1.00	-1.70- -0.31	7.95	0.005
		Summer	0.16	-0.33-0.63	0.40	>0.05
		Fall	-0.03	-0.31-0.24	0.06	>0.05
	Model 1	Spring	-0.27	-0.74-0.19	1.33	>0.05
		Summer	0.64	0.32-0.97	15.37	<0.001
		Fall	0.21	-0.01-0.43	3.50	>0.05
	Model 2	Spring	-0.26	-0.72-0.19	1.29	>0.05
		Summer	0.67	0.36-0.98	17.73	<0.001
		Fall	0.21	-0.00-0.43	3.78	>0.05
FTI	Unadjusted	Spring	0.28	-0.97-1.52	0.19	>0.05
		Summer	-1.26	-2.09- -0.43	8.88	0.003
		Fall	-0.76	-1.14- -0.38	15.29	<0.001
	Model 1	Spring	0.36	-0.56-1.27	0.58	>0.05
		Summer	-1.21	-1.79- -0.62	16.38	<0.001
		Fall	-0.73	-1.01- -0.45	25.46	<0.001
	Model 2	Spring	0.34	-0.60-1.29	0.51	>0.05
		Summer	-1.19	-1.78- -0.61	15.98	<0.001
		Fall	-0.73	-1.00- -0.46	28.23	<0.001

BMI, body mass index; FTI, fat tissue index; LTI, lean tissue index; OH, overhydration