Table 1.

Vitamin C Prevalence Sample Description (N = 7607).

Characteristics	n	Weighted n (%)	Mean (S.D.)	Range
Gender
Male	3699	48.7% ± 0.7%
Female	3908	51.3% ± 0.7%
Age
Young Adult 20–39	2751	37.5% ± 0.7%
Middle Adult 40–59	2295	40.1% ± 0.7%
Late Adult ≥60	2561	22.4% ± 0.5%
Race/Ethnicity
Mexican American	1516	7.6% ± 0.2%
Other Hispanic	230	3.4% ± 0.3%
Non-Hispanic White	4035	73.6% ± 0.5%
Non-Hispanic Black	1536	10.5% ± 0.3%
Other	290	4.9% ± 0.3%
Family PIR 1
High (0–1.5)	5206	63.9% ± 0.5%
Medium (1.51–4.5)	1614	22.6% ± 0.5%
Low (>4.51)	787	13.5% ± 0.5%
Smoking Status
Yes	1997	29.4% ± 0.6%
No	5610	70.6% ± 0.6%
Food Insecure
Yes	1449	14.1% ± 0.4%
No	6158	85.9% ± 0.4%
BMI 2	7607		28.68 (6.44)	13.36–76.07
Plasma Vitamin C 3	7607		54.37 (28.62)	0.6–274.20
Vitamin C Intake Day 1 4	7468		91.91 (104.14)	0.0–2261.00
Vitamin C Intake Day 2 4	6886		95.30 (99.31)	0.0–1308.40

¹ Poverty to Income Ratio; ² Body Mass Index (kg/m²); ³ Plasma Vitamin C (μmol/L); ⁴ Vitamin C Intake (mg).