Table 1.

Trends in sodium intake by age and gender groups over 5 NHANES cycles (Data from NHANES 2001–2010). Sodium intake was measured as absolute intake (mg/day) as a function of energy intake (mg/kcal) and as a function of food intake (mg/g food)

Age group	Gender group	Sodium intake trend
		mg/day		mg/kcal		mg/g food
		β 1	P 2	β 1	P 2	β 1	P 2
2–18 years	All	−41.12	0.0134	0.0124	0.0030	−0.1189	<0.0001
	Male	−52.54	0.0188	0.0122	0.0196	−0.1145	<0.0001
	Female	−22.03	0.1690	0.0132	0.0199	−0.1231	<0.0001
19–50 years	All	−3.93	0.7981	0.0219	<0.0001	−0.1332	<0.0001
	Male	16.67	0.5245	0.0284	<0.0001	−0.1142	<0.0001
	Female	−24.45	0.2040	0.0151	0.0416	−0.1529	<0.0001
51+ years	All	16.19	0.2852	0.0012	0.8025	−0.1227	<0.0001
	Male	34.27	0.1807	0.0055	0.5344	−0.1114	<0.0001
	Female	1.83	0.8905	−0.0025	0.6834	−0.1323	<0.0001

¹ β, regression coefficient. ² P < 0.01 significant. NHANES, National Health and Nutrition Examination Survey.