Association between Dietary Vitamin A and HPV Infection in American Women: Data from NHANES 2003–2016

Table 2

Multivariate analysis for the linear relationship between vitamin A and HPV infection.

Exposure	Nonadjusted model (OR (95% CI), value)	Fully adjusted model (OR (95% CI), value)	GAM (OR (95% CI), value)
Vitamin A (log2 transformer, mcg)	0.90 (0.87, 0.92), <0.0001	0.97 (0.92, 1.02), 0.2002	0.97 (0.92, 1.02), 0.2017
Q1 (2.80–8.06)	Ref	Ref	Ref
Q2 (8.06–8.87)	0.91 (0.83, 1.00), 0.0503	1.08 (0.91, 1.28), 0.4009	1.08 (0.91, 1.28), 0.3999
Q3 (8.87–9.54)	0.75 (0.68, 0.83), <0.0001	0.86 (0.72, 1.03), 0.0950	0.86 (0.72, 1.03), 0.0944
Q4 (9.54–14.83)	0.72 (0.65, 0.79), <0.0001	0.96 (0.80, 1.14), 0.6173	0.96 (0.80, 1.14), 0.6212
for trend	<0.0001	0.2193	0.2207

Nonadjusted model adjusted for none.