20 men SVO Enterprises Wardlaw and Randomized 1. 6.7 26.9 5.8 Initial: 22, final: 20 Mean age: 35 Snook, 1990 crossover design Reason for loss: years 2. 7.7 13.4 18.2 not reported with two USA interventions Experimental period: 35 days Diet 1: 12 men The National Ginsberg et al., Randomized 1. 9.0 10.6 10.0 Initial: 39, final: 36 Institutes of Heath Diet 2: 12 men Reason for loss: 1990 parallel design Best Foods Diet 3: 12 men 2. 8.8 17.2 10.1 allergy (n=1), poor Kraft Inc. with two Mean age: 23 compliance (n=2) USA years Bertolli interventions Experimental period: 70 days 8 men Canola Council of Chan et al., Randomized 1. 6.5 18.7 7.4 Initial: 8, final: 8 Canada Age: 20-34 One subject 1991 crossover design years Flax Council of 2. 5.3 18.3 8.5 dropped out and Canada with four was replaced Canada interventions 3. 7.1 8.4 16.8
Wardlaw and Snook, 1990 USA Randomized crossover design with two interventions Experimental period: 35 days 1. 2. 6.7 7.7 26.9 13.4 5.8 18.2 Initial: 22, final: 20 Reason for loss: not reported 20 men Mean age: 35 years SVO Enterprises Ginsberg et al., 1990 USA Randomized parallel design with two interventions Experimental period: 70 days 1. 2. 9.0 8.8 10.6 17.2 10.0 10.1 Initial: 39, final: 36 Reason for loss: allergy (n=1), poor compliance (n=2) Diet 1: 12 men Diet 2: 12 men Diet 3: 12 men Mean age: 23 years The National Institutes of Heath Best Foods Kraft Inc. Bertolli Chan et al., 1991 Canada Randomized crossover design with four interventions 1. 2. 3. 6.5 5.3 7.1 18.7 18.3 8.4 7.4 8.5 16.8 Initial: 8, final: 8 One subject dropped out and was replaced 8 men Age: 20-34 years Canola Council of Canada Flax Council of Canada
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