Table 6.
Mean ratings for hunger, cravings, energy levels, mood and compliance separated by fasting and fed days in IFT participants over 12 weeks.
| Survey Variable | Group | Week 1 | Week 6 | Week 12 | Δ | Δ (%) | P (C) | P (Time) | P (CS) | P (S) |
|---|---|---|---|---|---|---|---|---|---|---|
| Hunger (max. 40) | IFT Males (n = 9) fed | 11.2 (3.2) | 9.7 (3.6) | 9.2 (3.5) | −2.0 | −17.9 | <0.001 1 | 0.32 | 0.34 | 0.01 2 |
| IFT Males (n = 9) fasted | 26.5 (5.2) | 27.0 (6.3) | 26.7 (7.6) | 0.2 | 0.8 | |||||
| IFT Females (n = 8) fed | 7.7 (3.1) | 6.9 (4.0) | 7.6 (2.7) | −0.1 | −1.3 | |||||
| IFT Females (n = 9) fasted | 23.6 (6.0) | 21.8 (6.4) | 22.4 (5.3) | −0.8 | −3.4 | |||||
| Cravings (max 40.) | IFT Males (n = 9) fed | 11.9 (4.6) | 7.0 (4.9) | 8.2 (4.8) | −3.7 | −31.1 | <0.001 1 | 0.21 | 0.94 | 0.04 2 |
| IFT Males (n = 9) fasted | 19.1 (5.4) | 18.6 (5.3) | 21.8 (6.7) | 2.7 | 14.1 | |||||
| IFT Females (n = 8) fed | 7.8 (4.7) | 4.6 (3.1) | 4.5 (3.6) | −3.3 | −42.3 | |||||
| IFT Females (n = 9) fasted | 19.9 (7.1) | 17.4 (8.7) | 17.6 (10.6) | −2.3 | −11.6 | |||||
| Energy levels (max. 40) | IFT Males (n = 9) fed | 21.8 (4.7) | 23.2 (4.6) | 21.8 (4.8) | 0.0 | 0.0 | 0.31 | 0.27 | 0.66 | 0.69 |
| IFT Males (n = 9) fasted | 19.3 (5.4) | 22.2 (5.0) | 19.4 (7.4) | 0.1 | 0.5 | |||||
| IFT Females (n = 8) fed | 20.9 (6.7) | 21.6 (5.5) | 20.8 (7.2) | −0.1 | −0.5 | |||||
| IFT Females (n = 9) fasted | 17.8 (3.7) | 19.6 (5.8) | 20.4 (7.9) | 2.6 | 14.6 | |||||
| Mood (max. 40) | IFT Males (n = 9) fed | 30.7 (4.7) | 30.4 (3.7) | 30.0 (3.8) | −0.7 | −2.3 | 0.06 | 0.09 | 0.59 | 0.06 |
| IFT Males (n = 9) fasted | 28.5 (6.7) | 29.1 (4.2) | 28.0 (4.8) | −0.5 | −1.8 | |||||
| IFT Females (n = 8) fed | 30.0 (2.8) | 29.1 (3.2) | 28.4 (3.8) | −1.6 | −5.3 | |||||
| IFT Females (n = 9) fasted | 26.4 (5.9) | 26.5 (4.4) | 27.4 (5.7) | 1.0 | 3.8 | |||||
| Compliance (max. 10) | IFT Males (n = 9) fed | 8.1 (0.7) | 8.6 (0.9) | 8.7 (0.9) | 0.6 | 7.4 | 0.06 | 0.26 | 0.68 | 0.02 2 |
| IFT Males (n = 9) fasted | 9.1 (1.1) | 9.1 (1.2) | 9.5 (0.6) | 0.4 | 4.4 | |||||
| IFT Females (n = 8) fed | 7.9 (1.4) | 7.9 (0.6) | 8.0 (1.2) | 0.1 | 1.3 | |||||
| IFT Females (n = 9) fasted | 8.6 (1.2) | 8.4 (1.9) | 8.3 (2.3) | −0.3 | −3.5 |
Note: Mean (SD). 1 Significant main effect for condition (fasted/fed). 2 Significant main effect for sex. C = main effect for condition (fasted/fed), CS = condition x sex interaction, S = main effect for sex, Time = main effect for time.