TABLE 3.
Association between usual sodium excretion (independent variable) and overweight/obesity status (dependent variable) among US adults aged 20–69 y, NHANES 20141
| Midvalue of quartiles of estimated usual sodium excretion, PR (95% CI) | |||||
|---|---|---|---|---|---|
| Q1: 12.5th percentile | Q2: 37.5th percentile | Q3: 62.5th percentile | Q4: 87.5th percentile | P-trend | |
| Usual sodium excretion,2 mg | 2505 | 3176 | 3753 | 4662 | |
| Overweight/obesity | |||||
| Model 1 | Ref | 1.33 (1.24, 1.43) | 1.61(1.44, 1.79) | 1.86 (1.64, 2.12) | <0.001 |
| Model 2 | Ref | 1.36 (1.26, 1.46) | 1.60 (1.44, 1.79) | 1.87 (1.65, 2.13) | <0.001 |
| Model 3 | Ref | 1.38 (1.28, 1.49) | 1.65 (1.48, 1.85) | 1.93 (1.69, 2.20) | <0.001 |
| Model 4 | Ref | 1.35 (1.26, 1.45) | 1.60 (1.44, 1.77) | 1.86 (1.64, 2.11) | <0.001 |
| Central adiposity | |||||
| Model 1 | Ref | 1.30 (1.20, 1.40) | 1.59 (1.40, 1.81) | 1.97 (1.66, 2.34 | <0.001 |
| Model 2 | Ref | 1.33 (1.23, 1.43) | 1.60 (1.41, 1.81) | 2.00 (1.69, 2.37) | <0.001 |
| Model 3 | Ref | 1.35 (1.25, 1.46) | 1.65 (1.45, 1.88) | 2.07 (1.74, 2.46) | <0.001 |
| Model 4 | Ref | 1.32 (1.22, 1.43) | 1.60 (1.41, 1.81) | 1.99 (1.68, 2.36) | <0.001 |
The unweighted sample size in each model is 730. P values for trend across percentiles of estimated usual sodium intake based on Satterthwaite adjusted F test; all tests were 2-sided. Model 1 adjusted for age, sex, and race–Hispanic origin; model 2 adjusted for age, sex, race-Hispanic origin, physical activity, alcohol consumption, smoking status, and educational attainment; model 3 adjusted for covariates of model 2 plus usual total energy intake; model 4 adjusted for covariates of model 2 plus usual sugar-sweetened beverage intake. PR, prevalence ratio; Q, quartile; Ref, reference.
This row shows midvalues of quartiles of estimated usual sodium excretion.