Food items | n (%) | Sodium level (mg), mean ± SD | Sodium, (mg/100 g), mean ± SD | Serving size (g), mean ± SD | Calories (kcal/serving), mean ± SD | Calories (kcal/100 g), mean ± SD | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2010 | 2013 | Average change | Average percent change | 2010 | 2013 | 2010 | 2013 | 2010 | 2013 | 2010 | 2013 | |||
Overall | 2198 (100) | 917 ± 694 | 892 ± 679* | –25 ± 268 | 1 ± 48 | 401 ± 194 | 390 ± 185† | 241 ± 161 | 239 ± 159‡ | 438 ± 287 | 433 ± 288§‡ | 208 ± 97 | 208 ± 98 | |
Foods with a decrease in sodium | 662 (30) | 1130 ± 778 | 910 ± 642 | –220 ± 303 | –19 ± 17 | 481 ± 212 | 407 ± 190* | 252 ± 171 | 238 ± 161* | 474 ± 293 | 442 ± 275* | 209 ± 83 | 209 ± 88 | |
Foods with an increase in sodium | 358 (16) | 842 ± 658 | 1093 ± 858 | 251 ± 349 | 44 ± 104 | 353 ± 175 | 431 ± 197* | 246 ± 163 | 254 ± 167‡ | 468 ± 307 | 497 ± 343§ | 205 ± 71 | 206 ± 71 | |
Foods with no change in sodium | 1178 (54) | 821 ± 624 | 0 ± 0 | 0 ± 0 | 371 ± 175 | 368 ± 175* | 234 ± 155 | 235 ± 154§ | 410 ± 284 | 409 ± 274 | 209 ± 110 | 207 ± 110 |
Note: SD = standard deviation. *p < 0.0001. †p < 0.01. ‡Paired t tests, p < 0.05. §p < 0.001.