Table 1.
Total daily, macronutrient utilization and balance for baseline and nightshift days
| Measure, g/d | Day 2: baseline (n = 14) | Day 3: nightshift 1 (n = 14) | Day 4: nightshift 2 (n = 14) | Day 5: nightshift 3 (n = 13) |
| Macronutrient utilization | ||||
| Carbohydrate | 210.0 (8.1) | 212.1 (9.6) | 168.2 (6.3)*,† | 200.1 (9.5)‡ |
| Fat | 84.1 (6.6) | 91.0 (6.9)§ | 99.3 (6.9)¶ | 81.3 (6.8) |
| Protein | 58.8 (3.0) | 61.2 (4.4) | 53.0 (3.3)*,† | 59.8 (3.6)‡ |
| Macronutrient balance | ||||
| Carbohydrate | 26.5 (10.9) | 23.5 (9.7) | 67.3 (9.8)*,† | 29.9 (11.1)‡ |
| Fat | −21.6 (5.4) | −28.5 (5.1)§ | −37.5 (5.5)† | −20.6 (6.0)‡ |
| Protein | 11.5 (2.8) | 9.0 (4.9) | 16.5 (3.6)† | 8.6 (2.0)‡ |
Values in parentheses are SEM.
*
Differences between baseline and nightshift 2.
†
Differences between nightshift 1 and nightshift 2.
‡
Differences between nightshift 2 and nightshift 3.
§
Differences between baseline and nightshift 1.
¶
Exploratory post hoc differences for fat utilization (day 4 vs. day 2, P = 0.001; day 3, P = 0.01; day 5, P = 0.000005).