Table 2 |
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|
Calorie intake, physical activity, and resting energy expenditure throughout the study |
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|
Lead-in period (2 weeks) |
Isoenergetic period (2 weeks) |
Ad libitum period (12 weeks) |
Friedman tests |
||
|
|
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|
Physical activity (MET-h/d)*: |
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|
Control group (n = 13) |
38.2 (19.9) |
38.6 (22.7) |
37.4 (21.7) |
χ2(5) = 6.156, p = 0.291 |
|
|
n-3-PUFA3 group (n = 13) |
54.8 (29.9) |
62.0 (29.9) |
57.5 (29.6) |
χ2(5) = 7.313, p = 0.198 |
|
|
RM-ANOVA† |
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|
Time |
Time × Group |
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|
|
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|
Calorie intake (MJ/d): |
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|
Control group (n = 13) |
10.9 (1.5) |
10.9 (1.3) |
10.2 (1.9) |
F(1.1,26.4) = 2.994, |
F(1.1,26.4) = 0.703, |
|
n-3-PUFA group (n = 13)‡ |
11.0 (2.2) |
11.1 (2.0) |
10.7 (2.5) |
p = 0.092 |
p = 0.555 |
|
CRC 1 § |
CRC 2 |
CRC 3 |
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|
|
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|
Resting energy expenditure (MJ/d): |
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|
Control group (n = 12) |
6.74 (0.89) |
6.41 (1.10) |
6.41 (0.79) |
F(2,46) = 0.313, |
F(2,46) = 0.703, |
|
n-3-PUFA group (n = 13) |
6.53 (1.23) |
6.59 (1.51) |
6.57 (1.39) |
p = 0.733 |
p = 0.500 |
|
Resting energy expenditure (kJ/d/kg fat free body mass ||): |
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|
Control group (n = 12) |
134 (15) |
- |
132 (13) |
F(1,23) = 0.002, |
F(1,23) = 0.315, |
|
n-3-PUFA group (n = 13) |
133 (21) |
- |
135 (14) |
p = 0.961 |
p = 0.580 |
|
Respiratory quotient: |
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|
Control group (n = 12) |
0.86 (0.05) |
0.87 (0.05) |
0.86 (0.05) |
F(2,46) = 0.096, |
F(2,46) = 1.091, |
|
n-3-PUFA group (n = 13) |
0.85 (0.03) |
0.84 (0.05) |
0.85 (0.05) |
p = 0.908 |
p = 0.344 |
|
|
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|
All data are means (SD). * MET-h, metabolic equivalent task-hours. † RM-ANOVA, repeated-measures analysis of variance. ‡ PUFA, polyunsaturated fatty acids. §CRC, Clinical Research Center. || Fat-free body mass data from dual-energy x-ray absorptiometry-scans were available only for CRC visits 1 and 3. |
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|
Kratz et al. Nutrition & Metabolism 2009 6:24 doi:10.1186/1743-7075-6-24 |
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