Table 2.
Trends of the daily energy and macronutrient composition of children aged 6 to 17 years by CHNS rounds, 1991 to 2015 1–4.
| 1991 | 2004 | 2015 | p-Value | |
|---|---|---|---|---|
| Energy (kcal/day) | 2205.3 (12.3) | 1855.6 (15.5) | 1671.6 (15.1) | <0.001 |
| Fat (g/day) | 55.6 (0.6) | 58.5 (0.9) | 66.2 (0.8) | <0.001 |
| Protein (g/day) | 63.5 (0.4) | 57.2 (0.6) | 51.1 (0.5) | <0.001 |
| Carbohydrate (g/day) | 369.8 (2.3) | 274.7 (2.4) | 247.6 (2.5) | <0.001 |
| Fat (En%) | 24.2 (0.2) | 27.4 (0.3) | 36.8 (0.3) | <0.001 |
| Carbohydrate (En%) | 63.4 (0.2) | 60.1 (0.3) | 51.4 (0.3) | <0.001 |
1 Mean percentage ± standard error (SE). 2 CHNS, China health and nutrition survey. En%, % of energy. 3 Values adjusted for age groups, gender and geographical regions, BMI and PA of children and household characteristics. 4 Significant trends in each sub-group across all survey years.