. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: J Youth Adolesc. 2019 Aug 13;49(7):1379–1392. doi: 10.1007/s10964-019-01101-3

Table 3.

Linear regression analyses testing pubertal status and age as predictors of each pro-inflammatory biomarker. Pubertal status and age are entered into the same model to evaluate their unique contribution to variance in each pro-inflammatory biomarker.

	CRP
	b	B	SE
Days Difference	−.002	−0.07	0.002
BMI	0.05	0.53^***	0.01
Pubertal Status	0.004	0.004	0.08
Age	0.05	0.12⁺	0.03
			R²=.31^***
	IL-6
	b	B	SE
Days Difference	0.000	0.08	0.001
BMI	0.02	0.36^***	0.003
Pubertal Status	0.05	0.10	0.04
Age	0.02	0.11	0.02
			R²=.18^***
	TNF-α
	b	B	SE
Days Difference	−0.001	−0.10	0.001
Time of BD	−0.01	−0.18^*	0.004
Race	−0.05	−0.21^**	0.02
Pubertal Status	−0.06	−0.27^**	0.02
Age	0.001	0.01	0.006
			R²=.15^**
	IL-8
	b	B	SE
Days Difference	−0.001	−0.04	0.001
Race	−0.09	−0.17^*	0.04
BMI	−0.003	−0.07	0.003
Pertinent Medical Condition	−0.07	−0,10	0.05
Pubertal Status	−0.07	−0.15⁺	0.04
Age	−0.03	−0.20^*	0.01
			R²=.14^**

Note: CRP = C-reactive protein; IL-8 = interleukin-8; IL-6 = interleukin-6; TNF-α = tumor necrosis factor-alpha; BMI = body mass index; BD = blood draw; b= unstandardized beta; B=standardized beta; SE = standard error.

⁺

p<.10;

p<.05;

^**

p<.01;

^***

p<.001.