Table 2.
Total water intake (ml/d) | Plain water (ml/d) | Water from beverages (ml/d) | Water from solid foods (ml/d) | ||||||
n | Mean | 95 % CI | Mean | 95 % CI | Mean | 95 % CI | Mean | 95 % CI | |
All children | 835 | 1324 | 1295, 1353 | 452·7 | 431·3, 474·1 | 347·8 | 334·6, 361·0 | 523·8 | 512·5, 535·1 |
Age group | |||||||||
4–8 years | 355 | 1233 | 1193, 1273 | 407·4 | 372·8, 441·9 | 333·3 | 314·3, 352·3 | 492·3 | 474·9, 509·7 |
9–13 years | 480 | 1416 | 1368, 1464 | 498·2 | 460·9, 535·6 | 362·4 | 342·2, 382·6 | 555·5 | 540·9, 570·0 |
P value | <0·0001 | <0·0001 | <0·05 | <0·0001 | |||||
Sex | |||||||||
Boys | 400 | 1393 | 1345, 1441 | 488·7 | 447·8, 529·6 | 363·8 | 344·9, 382·6 | 540·7 | 520·6, 560·8 |
Girls | 435 | 1246 | 1207, 1285 | 411·6 | 383·1, 440·2 | 329·6 | 311·2, 348·1 | 504·6 | 490·1, 519·1 |
P value | <0·0001 | 0·0005 | <0·05 | <0·01 | |||||
Age × sex groups | |||||||||
Boys 4–8 years | 172 | 1280 | 1221, 1339 | 434·3 | 383·4, 485·2 | 344·4 | 317·1, 371·7 | 501·2 | 476·0, 526·3 |
Boys 9–13 years | 228 | 1506 | 1443, 1570 | 543·0 | 489·0, 597·0 | 383·1 | 356·0, 410·1 | 580·2 | 558·8, 601·5 |
Girls 4–8 years | 183 | 1180 | 1131, 1228 | 376·8 | 344·4, 409·3 | 320·7 | 294·2, 347·2 | 482·3 | 459·0, 505·6 |
Girls 9–13 years | 252 | 1313 | 1249, 1377 | 446·9 | 406·4, 487·3 | 338·6 | 310·4, 366·9 | 527·2 | 501·6, 552·7 |
P value | <0·0001 | <0·0001 | <0·01 | <0·0001 | |||||
Income-to-poverty ratio† | |||||||||
<1 | 356 | 1315 | 1267, 1363 | 433·0 | 397·0, 469·0 | 367·7 | 345·3, 390·0 | 514·4 | 494·9, 533·9 |
1–1·99 | 327 | 1332 | 1274, 1390 | 479·0 | 429·0, 529·0 | 330·6 | 309·3, 351·9 | 522·7 | 504·1, 541·4 |
≥2 | 152 | 1328 | 1263, 1392 | 437·9 | 398·8, 476·9 | 340·5 | 313·0, 368·0 | 549·3 | 525·1, 573·6 |
P value | 0·9066 | 0·2089 | 0·0668 | 0·0905 |
P value is for ANOVA with post hoc Bonferroni-adjusted comparisons; significant P values are indicated in bold font.
Water content of all beverages and foods was calculated using the CIQUAL (Centre d’Information sur la Qualité des Aliments) 2013 database.
‘<1’ means below the poverty threshold; ‘≥2’ means more than two times higher than the poverty threshold.