Table 3.
Dietary daily intake of energy and nutrients and the prevalence of deficiency in the subjects aged 80 and above in different age groups.
| Nutrient | 80–84 | ≥85 | ||||
|---|---|---|---|---|---|---|
| Mean | SE | Below EAR (%) | Mean | SE | Below EAR (%) | |
| Energy (kcal/d) # | 1460.1 | 19.2 | 73.9 a | 1384.0 | 21.5 | 80.0 a |
| Protein (g/d) | 44.5 | 1.0 | 75.5 | 42.6 | 1.2 | 78.5 |
| Fat (g/d) * | 57.9 | 1.2 | 23.9 h | 59.8 | 1.8 | 18.9 h |
| Carbohydrate (g/d) * | 190.9 | 3.3 | 40.5 ag | 169.7 | 3.6 | 37.3 ag |
| Vitamin A (μgRAE/d) & | 229.0 | 10.5 | 92.6 | 205.1 | 11.3 | 94.7 |
| Vitamin E (mg/d) &^ | 26.1 | 0.9 | 29.7 | 26.2 | 1.4 | 30.2 |
| Vitamin B1 (mg/d) | 0.6 | 0.0 | 93.4 | 0.6 | 0.0 | 96.7 |
| Vitamin B2 (mg/d) | 0.6 | 0.0 | 93.6 | 0.5 | 0.0 | 95.5 |
| Vitamin C (mg/d) | 65.6 | 2.0 | 74.7 a | 65.8 | 4.9 | 79.0 a |
| Niacin (mgNE/d) & | 16.8 | 0.4 | 13.2a | 15.8 | 0.5 | 19.3 a |
| Folate (µg/d) | 120.3 | 4.1 | 97.1 | 115.0 | 5.3 | 96.7 |
| Calcium (mg/d) | 306.8 | 12.3 | 97.7 | 285.3 | 13.4 | 98.2 |
| Iron (mg/d) | 15.4 | 0.3 | 13.7 a | 14.4 | 0.4 | 20.2 a |
| Zinc (mg/d) | 7.4 | 0.1 | 62.6 | 7.1 | 0.2 | 66.0 |
| Selenium (μg/d) | 30.1 | 1.0 | 88.9 | 30.3 | 1.3 | 87.9 |
| Magnesium (mg/d) | 204.4 | 4.4 | 79.5 a | 185.7 | 4.7 | 85.6 a |
| Sodium (mg/d) ^ | 4173.1 | 114.8 | 5.5 | 3899.5 | 144.6 | 7.6 |
| Potassium (mg/d) ^ | 1162.0 | 31.7 | 91.6 | 1067.2 | 35.8 | 93.8 |
#: Compare to EER; ^: Compare to AI; *: fat: the percentage of energy from fat in 20–30%; carbohydrate: the percentage of energy from carbohydrate in 50–65%; &: μgRAE/d: μg Retinol Activity Equivalents (RAE) per day; mgNE/d: mg Niacin Equivalents (NE) per day; a: after controlling age, gender, marital status, education level and household income level, p < 0.05. h: 80–84: <20%: 12.5%, >30%: 63.6%; ≥85: <20%: 8.0%, >30%: 73.0%. g: 80–84: <50%: 41.7%, >65%: 17.8%; ≥85: <50%: 51.5%, >65%: 11.2%.