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Table 5 Predicted changes over time in estimates of Perceived Stress Scale (PSS) means for each treatment group, 95% confidence intervals, and chi square value.

From: An adaptogenic role for omega-3 fatty acids in stress; a randomised placebo controlled double blind intervention study (pilot) [ISRCTN22569553]

 

Control

Placebo

Fish oil

Estimate

-0.500

-3.285

-6.559

95% CI sep

1.509

2.923

2.646

95% CI joint

2.152

4.170

3.755

Chi square

0.421

4.852*

23.590*

  1. * significance determined by chi sq ≥ 3.84, the critical value of chi square for df = 1 when p ≤0.05. Note: 95% CI sep = 95% confidence interval considering each item separately, 95% CI joint = 95% confidence interval, considering the estimates of the three treatment groups collectively, df = degrees of freedom
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Nutrition Journal

ISSN: 1475-2891

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