11 men Not reported Iacona and Randomized 1. 9.5 9.4 3.8 Initial: 11, final: 11 Mean age: 54 Dougherty, 1991 crossover design No dropouts years 2. 8.6 8.7 10.8 reported with two USA interventions Experimental period: 40 days 6 men and 8 US Department of Lichtenstein et Randomized 1. 5.4 14.5 6.7 Initial: 15, final: 14 women Agriculture Reason for loss: al, 1993 crossover design Mean age: 63 National Institutes 2. 6.9 9.0 11.2 scheduling years of Health with five problems (n=1) Uncle Bens, Inc Lichtenstein et interventions 3. 6.9 17.0 3.9 al, 1994 Experimental 4. 12.1 11.3 3.4 Lichtenstein et period: al, 1994 32 days 5. 7.4 10.8 8.8 USA 6 men and 17 The Danish Heart Marckmann et Randomized 1. 15.4 11.8 6.0 Initial: 13, final: 13 women Foundation No dropouts al., 1992 crossover design Mean age: 26 The Danish Health 2. 13.5 8.2 4.7 reported years Insurance Foundation
Iacona and Dougherty, 1991 USA Randomized crossover design with two interventions Experimental period: 40 days 1. 2. 9.5 8.6 9.4 8.7 3.8 10.8 Initial: 11, final: 11 No dropouts reported 11 men Mean age: 54 years Not reported Lichtenstein et al, 1993 Lichtenstein et al, 1994 Lichtenstein et al, 1994 USA Randomized crossover design with five interventions Experimental period: 32 days 1. 2. 3. 4. 5. 5.4 6.9 6.9 12.1 7.4 14.5 9.0 17.0 11.3 10.8 6.7 11.2 3.9 3.4 8.8 Initial: 15, final: 14 Reason for loss: scheduling problems (n=1) 6 men and 8 women Mean age: 63 years US Department of Agriculture National Institutes of Health Uncle Bens, Inc Marckmann et al., 1992 Randomized crossover design 1. 2. 15.4 13.5 11.8 8.2 6.0 4.7 Initial: 13, final: 13 No dropouts reported 6 men and 17 women Mean age: 26 years The Danish Heart Foundation The Danish Health Insurance Foundation