Fig. 1

Trends in age-adjusted prevalence of obesity, hypertension, coronary heart disease, and diabetes by food security status among US adults aged 20 years or older by NHANES cycle from 1999 to 2018. The P values for trend in prevalence of obesity are < 0.001 for the full, 0.03 for the marginal, < 0.001 in the low, and 0.004 for very low and the P value for their interaction is 0.25. The P values for trend in prevalence of hypertension are 0.002 for the full, 0.02 for the marginal, 0.22 in the low, and 0.49 for very low and the P value for their interaction is 0.02. The P values for trend in prevalence of coronary heart disease are 0.02 for the full, 0.42 for the marginal, 0.19 in the low, and 0.67 for very low and the P value for their interaction is 0.66. The P values for trend in prevalence of diabetes are < 0.001 for the full, 0.045 for the marginal, 0.001 in the low, and 0.35 for very low and the P value for their interaction is 0.03