Table 4.
Repeated-Measures ANOVA for Sleep Measures of Participants With Different Fatty Acid Intakes (n = 36).
| Measure | M | SD | F | p |
|---|---|---|---|---|
| Actiwatch | ||||
| Wake time (epoch counts) | 3.1 | .05* | ||
| High saturated fatty acid intake | 587.8 | 119.1 | ||
| High polyunsaturated fatty acid intake | 581.7 | 114.2 | ||
| Low fat intake | 542.6 | 146.6 | ||
| Waking minutes (after sleep) | 0.31 | NS | ||
| High saturated fatty acid intake | 23.0 | 10.0 | ||
| High polyunsaturated fatty acid intake | 23.7 | 10.3 | ||
| Low fat intake | 24.8 | 13.6 | ||
| Wake time (minutes) | 3.0 | .05* | ||
| High saturated fatty acid intake | 1,041.6 | 59.0 | ||
| High polyunsaturated fatty acid intake | 1,038.6 | 57.7 | ||
| Low fat intake | 1,059.1 | 70.8 | ||
| Sleep duration (minutes) | 3.0 | .05* | ||
| High saturated fatty acid intake | 398.4 | 59.0 | ||
| High polyunsaturated fatty acid intake | 401.4 | 57.7 | ||
| Low fat intake | 380.9 | 70.8 | ||
| PSQI | ||||
| Global PSQI | 12.3 | .001*** | ||
| High saturated fatty acid intake | 4.2 | 1.8 | ||
| High polyunsaturated fatty acid intake | 4.3 | 1.9 | ||
| Low fat intakea | 5.4 | 2.8 |
Note. PSQI = Pittsburgh Sleep Quality Index®.
a
Post hoc results: Low fat intakes resulted in significantly (p < .05) higher Global PSQI sleep scores (poorer sleep) than other fatty acid intakes.
*
p ≤ .05.
***
p ≤ .001.