Table 3.

Dietary characteristics of study participants with complete data (n = 2279) stratified by income level

≤$20,000$20,001 to $50,000>$50,000P
N711678890
Total caloric intake (kcal/d)1894 ± 8951781 ± 8341830 ± 7450.13
    % from carbohydrates (mean)53 ± 1151 ± 1048 ± 9<0.001
    % from protein (mean)15 ± 415 ± 416 ± 4<0.001
Carbohydrates (g/d)218 (153, 320)197 (146, 271)199 (151, 270)<0.001
Protein (g/d)62 (42, 91)59 (42, 83)68 (51, 91)<0.001
Calcium (mg/d)605 (411, 920)585 (404, 817)638 (457, 874)0.01
Phosphorus (mg/d)1156 ± 5731099 ± 5161190 ± 5220.20
  • Results are presented as mean ± SD or median (interquartile range).