Table 2.
Summary of 6-week fiber randomization period (weeks 5–10 of CR) (means±SD).
| −Fiber | +Fiber | Difference in adjusted means (95% CI)1 |
|
|---|---|---|---|
| Reported Dietary Intake | |||
| n | 17 | 16 | |
| Reported energy intake2 (kcal/day) | 2008±366 | 1932±291 | −83 (−322, 156) |
| Fat (%) | 26.5±4.4 | 25.3±4.5 | −0.4 (−1.3, 0.6) |
| Carbohydrate (%) | 49.7±9.1 | 55.5±9.3 | 4.1 (2.6, 5.7) |
| Protein (%) | 24.9±4.7 | 24.2±4.6 | 0.2 (−0.4, 0.8) |
| Alcohol (%) | 1.1±1.7 | 0.4±0.5 | −0.8 (−1.7, 0.2) |
| Total dietary fiber (g/day)* | 28.5±5.6 | 44.0±5.1 | 15.5 (11.6, 19.4) |
| Insoluble (g/day)* | 18.7±3.6 | 33.5±3.8 | 14.9 (12.2, 17.6) |
| Soluble (g/day) | 9.3±2.2 | 9.7±1.5 | 0.3 (−1.0, 1.6) |
| Fiber from high fiber cereal (g/day)* | 0 | 16.9±2.0 | 16.9 (15.9, 17.9) |
| Insoluble (g/day)* | 0 | 15.8±1.9 | 15.8 (14.8, 16.7) |
| Soluble (g/day)* | 0 | 0.8±0.1 | 0.8 (0.7, 0.8) |
| Daily Weights, Visual Analog Scales and % CR3,4 | |||
| Weight change (g/day) | −63.7±38.4 | −64.3±21.4 | −0.9 (−25.0, 23.3) |
| Hunger (mm) | 41.1± 15.4 | 39.2±19.0 | −1.8 (−14.8, 11.1) |
| Desire to eat non-study food (mm) | 39.9±15.7 | 38.9±18.9 | −0.6 (−13.5, 12.3) |
| Satisfaction with amount of food (mm)5 | 58.8±11.3 | 68.1±16.0 | 9.4 (−1.0, 19.7) |
| Satisfaction with type of food (mm) | 56.8±10.7 | 58.2±26.1 | 1.9 (−12.5, 16.2) |
| % CR by DLW at 1 month | 36.2±14.2 | 40.2±13.6 | 4.3 (−5.8, 14.3) |
| Diet Related Gastrointestinal Adverse Events | |||
| Total number of symptoms reported: | |||
| Hard stools | 0 | 1 | |
| Gastro-esophageal reflux | 0 | 1 |
1
Controlled for diet randomization
2
1 kcal=4.184 kJ
3
+Fiber group: n=14 for daily log values, 1 dropout and 2 subjects missing daily log values
4
Mean absolute values of visual analog scales during 6-week fiber randomization period (weeks 5–10 of CR)
5
Approached significance, p=0.08.
*
Groups significantly different at same time point (p<0.001).