Table 1.
The effects of dietary fat and energy density on satiation were separated in a number of studies. These findings support the suggestion that dietary fat affects energy intake through its impact on energy density.
N | Length of study | Effect on energy intake | |
---|---|---|---|
Fat content decreased and energy density held constant | |||
| |||
van Stratum et. al. 1978 | 22 | 2 phase, 14 days each | None |
Stubbs et al. 1996 | 6 | 3 phase, 14 days each | None |
Saltzman et al. 1997 | 14 | 2 phase, 9 days each | None |
Rolls et al. 1999a | 34 | 4 weeks, 4 days each | None |
Raben et. al. 2003 | 19 | 4 weeks, 1 day each | None |
| |||
Energy density decreased and fat content held constant | |||
| |||
Stubbs et.al. 1998 | 6 | 3 phase, 14 days each | Decrease |
Bell et. al. 1998 | 18 | 3 weeks, 2 days each | Decrease |
Rolls et al. 1999a | 34 | 4 weeks, 4 days each | Decrease |
Bell & Rolls 2001 | 36 | 6 weeks, 1 day each | Decrease |
Kral et al. 2002 | 40 | 3 weeks, 1 day each | Decrease |