Table 8.

Associations between individual OBS components and biomarkers.

Variables		FIP OR (95% CI)a	mtDNA OR (95% CI)a	FOP OR (95% CI)a
Zeaxanthinb	1 point relative to 0	0.35 (0.15–0.84)	0.53 (0.19–1.50)	1.79 (0.88–3.65)
	2 points relative to 0	0.22 (0.09–0.53)	0.50 (0.18–1.37)	3.19 (1.56–6.51)
Cryptoxanthinb	1 point relative to 0	0.24 (0.10–0.56)	0.81 (0.30–2.21)	1.61 (0.80–3.24)
	2 points relative to 0	0.14 (0.06–0.36)	0.86 (0.32–2.33)	1.70 (0.83–3.48)
Lycopeneb	1 point relative to 0	0.56 (0.26–1.36)	0.82 (0.30–2.28)	2.49 (1.20–5.14)
	2 points relative to 0	0.20 (0.08–0.52)	1.23 (0.38–3.92)	11.72 (4.43–25.95)
α-caroteneb	1 point relative to 0	0.14 (0.14–0.77)	0.75 (0.22–2.55)	3.09 (1.53–6.24)
	2 points relative to 0	0.04 (0.01–0.14)	0.82 (0.20–3.37)	8.87 (3.44–22.85)
β-caroteneb	1 point relative to 0	0.22 (0.09–0.57)	0.72 (0.25–2.05)	3.12 (1.54–6.33)
	2 points relative to 0	0.03 (0.02–0.17)	0.71 (0.38–3.84)	5.34 (2.33–12.23)
α-tocopherolb	1 point relative to 0	0.94 (0.40–2.12)	0.25 (0.19–1.32)	2.09 (1.00–4.34)
	2 points relative to 0	1.12 (0.45–2.76)	1.10 (0.37–3.27)	3.44 (1.56–7.58)
γ-tocopherolb	1 point relative to 0	0.82 (0.36–1.83)	0.71 (0.26–1.93)	1.75 (0.85–3.60)
	2 points relative to 0	3.13 (1.25–7.83)	0.81 (0.26–2.52)	0.87 (0.40–1.87)
Ferritinc	1 point relative to 0	1.01 (0.43–2.38)	0.79 (0.32–1.97)	0.91 (0.45–1.82)
	2 points relative to 0	0.67 (0.26–1.76)	0.80 (0.25–2.51)	0.97 (0.45–2.09)
Smoking	2 points relative to 0	0.15 (0.02–1.32)	0.63 (0.09–1.22)	1.12 (0.31–4.09)
Alcohol	2 points relative to 0	0.31 (0.14–0.70)	0.44 (0.17–1.16)	0.89 (0.47–1.70)
Aspirin	2 points relative to 0	1.71 (0.59–1.93)	0.80 (0.27–2.36)	0.48 (0.23–1.00)
Other NSAID	2 points relative to 0	1.54 (0.66–3.58)	0.53 (0.19–1.50)	2.00 (0.86–4.66)
Physical activity	1 point relative to 0	0.84 (0.33–2.12)	2.49 (0.76–8.23)	1.10 (0.57–2.14)
	2 points relative to 0	0.65 (0.25–1.71)	2.86 (0.74–10.98)	1.68 (0.73–3.89)

OBS = oxidative balance score; OR = odds ratio; CI = confidence interval; NSAID = non-steroidal anti-inflammatory drug; FOP = florescent oxidation product; FIP = F2-isoprostanes; mtDNA = mitochondrial DNA copy number.

^aAll results adjusted for age, sex, race/ethnicity, and BMI.

^bPlasma derived measurement.

^cSerum derived measurement.