|
Age
| | | |
|
- mean (SD)
|
47.1 (7.2)
|
49.9 (8.4)
| |
|
- median (range)
|
46 (31–67)
|
49 (31–77)
| |
|
- <50 (%)
|
44 (66.7)
|
188 (53.3)
|
1.75a (1.01–3.05)
|
| - ≧50 (%) |
22 (33.3)
|
165 (46.7)
|
-
|
|
Sex
| | | |
|
- Male (%)
|
62 (92.5)
|
335 (94.6)
|
0.70 (0.25–1.95)
|
|
- Female (%)
|
5 (7.5)
|
19 (5.4)
| |
|
Prior experience of participating in clinical trial
| | | |
|
- Yes (%)
|
42 (62.7)
|
281 (79.6)
|
0.43a (0.25–0.75)
|
|
- No (%)
|
25 (37.3)
|
72 (20.4)
|
-
|
|
Current participation in other study
| | | |
|
- Yes (%)
|
44 (65.7)
|
245 (69.0)
|
0.86 (0.49–1.49)
|
|
- No (%)
|
23 (34.3)
|
110 (31.0)
|
-
|
|
Working site
| | | |
|
- University, national or private hospital (%)
|
30 (44.8)
|
133 (37.8)
|
1.34 (0.79–2.26)
|
|
- Own private clinic (%)
|
37 (55.2)
|
219 (62.2)
|
-
|
|
Using Internet or FAX for recruitment and follow-up
| | | |
|
- Using both (%)
|
14 (20.3)
|
72 (20.2)
|
0.78 (0.38–1.59)
|
|
- Using Internet (%)
|
28 (40.6)
|
176 (49.3)
|
0.64 (0.36–1.14)
|
|
- Using FAX (%)
|
27 (39.1)
|
109 (30.5)
|
-
|
|
Simplicity of study protocol
| | | |
|
- Agree (%)
|
36 (53.7)
|
205 (61.0)
|
0.74 (0.44–1.26)
|
|
- Neutral or Disagree (%)
|
31 (46.3)
|
131 (39.0)
|
-
|
|
Special interest in the use of Internet for this trial
| | | |
|
- Agree (%)
|
22 (32.8)
|
128 (38.7)
|
0.78 (0.44–1.35)
|
|
- Neutral or Disagree (%)
|
45 (67.2)
|
203 (61.3)
|
-
|
|
Expectation that it would be easy to explain to patients about CASE-J
| | | |
|
- Agree (%)
|
14 (20.6)
|
74 (21.9)
|
0.92 (0.49–1.76)
|
|
- Neutral or Disagree (%)
|
54 (79.4)
|
264 (78.1)
|
-
|
|
Well-organized support system for case registration and follow-up
| | | |
|
- Agree (%)
|
29 (43.3)
|
212 (62.5)
|
0.46a (0.27–0.78)
|
|
- Neutral or Disagree (%)
|
38 (56.7)
|
127 (37.5)
|
-
|
|
Number of recruiting patients
| | | |
|
- mean
|
5.9 (10.4)
|
10.3 (22.8)
| |
|
- median (range)
|
2 (1–65)
|
4 (1–200)
| |
|
- <10 (%)
|
60 (87.0)
|
265 (74.2)
|
2.31a (1.10–4.85)
|
| - ≧10 (%) |
9 (13.0)
|
92 (25.8)
|
-
|
