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Table 1 Pre and Post values following 6 weeks of treatment with 4 g/d of safflower oil, or 4 g/d of fish oil

From: Effects of supplemental fish oil on resting metabolic rate, body composition, and salivary cortisol in healthy adults

  Safflower Oil Fish Oil
  Pre Post Post-Pre
Difference
Pre Post Post-Pre
Difference
Sex       
   Male (n) 8    6   
   Female (n) 14    16   
Age (y) 35 ± 14y
(29;41)
   33 ± 13y
(27;39)
  
Weight (kg) 71.1 ± 15.2
(64.7;77.5)
71.3 ± 15.3
(65.1;77.6)
0.2 ± 0.8
(-0.2;0.6)
71.3 ± 14.4
(65.1;77.6)
71.3 ± 13.7
(65.1;77.6)
0.0 ± 0.9
(-0.4;0.4)
Body Fat (%) 27.7 ± 10.6
(23.0;32.4)
28.0 ± 10.8
(23.2;32.8)
0.3 ± 1.5†
(-0.4;1.0)
30.5 ± 7.7
(26.7;32.5)
30.1 ± 7.6
(26.3;33.9)
-0.4 ± 1.3†
(-1.2;0.2)
Fat Mass (kg) 19.7 ± 9.7
(15.4;24.0)
19.9 ± 9.9
(15.5;24.3)
0.2 ± 1.2*
(-0.3;0.7)
22.3 ± 8.2
(18.3;25.7)
21.8 ± 7.6
(18.2;25.0)
-0.5 ± 1.3*
(-1.1;0.1)
Fat Free Mass (kg) 50.5 ± 11.9
(45.2;55.5)
50.4 ± 12.3
(45.0;55.8)
-0.1 ± 1.2**
(-0.6;0.4)
50.1 ± 11.7
(45.1;55.1)
50.6 ± 11.9
(45.5;55.6)
0.5 ± 0.5**
(0.3;0.8)
Salivary Cortisol (μg/dL) 0.305 ± 0.240
(0.212;0.399)
0.321 ± 0.311
(0.217;0.425)
0.016 ± 0.272
(-0.108;0.140)
0.270 ± 0.179
(0.179;0.361)
0.206 ± 0.131
(0.104;0.308)
-0.064 ± 0.142
(-0.127;-0.002)
RMR (24 h Kcal); n = 26 1290 ± 295
(1103;1477)
1228 ± 277
(1053;1400)
-62 ± 184
(-179;55)
1335 ± 213
(1200;1470)
1352 ± 323
(1147;1557)
17 ± 260
(-148;152)
RER; n = 26 0.809 ± 0.052
(0.776;0.842)
0.832 ± 0.41
(0.806;0.858)
0.023 ± 0.54
(-0.011;0.057)
0.841 ± 0.59
(0.804;0878)
0.822 ± 0.48
(0.791;0.853)
-0.019 ± 0.85
(-0.073;0.035)
  1. Data are expressed as means ± SD (95% confidence interval). Data were analyzed using a treatment X time repeated measures ANOVA
  2. * significant treatment X time interaction, p = 0.04
  3. ** significant treatment X time interaction, p = 0.03
  4. † treatment X time interaction, p = 0.08