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. 2006 Feb 8;6:34. doi: 10.1186/1471-2407-6-34

Table 5.

What factors are important in your decision NOT to participate in a clinical trialNumber (%) of patients who agree/strongly agree to survey questions grouped by demographic characteristics of interest

Age Health Status Cancer Status
Question n/N (%) <75 n/N (%) ≥ 75 p-value n/N (%) Good/Excellent n/N (%) Poor/Marginal/Ave p-value p-value

Recommendation from cancer doctor against participating 41/44 (93) 44/46 (96) 43/46 (93) 39/41 (95) 28/30 (93) 44/47 (94)
0.61 0.74 0.96
Your cancer doctor did not give you any advice about participating 34/42 (81) 38/45 (84) 34/44 (77) 35/40 (88) 23/28 (82) 37/46 (80)
0.67 0.22 0.86
Recommendation from your family doctor against participating 34/44 (77) 38/46 (83) 39/47 (83) 30/40 (75) 25/30 (83) 35/47 (74)
0.53 0.36 0.36
Your family doctor did not give you any advice about participating 22/43 (51) 28/45 (62) 24/45 (53) 24/40 (60) 16/28 (57) 25/47 (53)
0.30 0.54 0.74
Recommendations from your family and friends against participating 17/44 (39) 22/45 (49) 19/47 (40) 17/39 (35) 12/30 (40) 20/46 (43)
0.33 0.77 0.76
Your age 27/43 (63) 26/46 (57) 26/46 (57) 25/40 (63) 16/29 (55) 27/47 (57)
0.55 0.57 0.85
You have other health problems that make you feel too weak to participate 34/44 (77) 32/43 (74) 31/44 (70) 32/40 (80) 20/29 (69) 35/46 (76)
0.76 0.31 0.50
You have concerns about whether or not the new treatment works 41/44 (93) 40/46 (87) 40/46 (87) 38/41 (93) 27/30 (90) 41/47 (87)
0.33 0.38 0.71
You are afraid of possible side effects from the new treatment 33/44 (75) 40/46 (87) 34/46 (74) 36/41 (88) 22/30 (73) 38/47 (81)
0.15 0.10 0.44