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Table 1 Baseline characteristics of the study subjects by randomized groups.

From: Randomized controlled trial comparing four strategies for delivering e-curriculum to health care professionals [ISRCTN88148532]

Characteristic Total Randomized Group P Value
   Push + drip Push + bolus Pull + drip Pull + bolus  
N 1267 318 318 318 313  
Age (mean ± SD) 40.3 ± 12.9 41.2 ± 12.8 40.1 ± 12.3 40.2 ± 13.3 39.9 ± 13.1 .58†
Gender (% male) 25.3% 28.9% 21.1% 26.4% 24.9% .14*
Race, N (%)       .09*
African Am 57 (4.5) 9 (2.8) 11 (3.5) 18 (5.7) 19 (6.1)  
Asian/P.I. 96 (7.6) 18 (5.7) 30 (9.4) 25 (7.9) 21 (7.3)  
Caucasian 1052 (83.0) 276 (86.8) 261 (82.1) 257 (80.8) 257 (82.1)  
Native American 3 (0.2) 0 3 (0.9) 0 0  
Declined 60 (4.7) 15 (4.7) 13 (4.1) 18 (5.7) 14 (4.5)  
Latino origin?       
Yes 41 (3.2) 13 (4.1) 7 (2.2) 11 (3.5) 10 (3.2) .85*
Profession       .77*
MD 374 (29.5) 99 (31.1) 100 (31.4) 87 (27.4) 87 (27.8)  
PHARM 58 (4.6) 15 (4.7) 17 (5.3) 11 (3.5) 15 (4.8)  
RD 150 (11.8) 31 (9.7) 41 (12.9) 35 (11.0) 43 (13.7)  
RN 296 (23.3) 78 (24.5) 65 (20.4) 82 (25.8) 71 (22.7)  
Student 390 (30.8) 95 (29.9) 95 (29.9) 103 (32.4) 97 (31.0)  
Residence (% NC) 47.2% 45.9% 48.4% 47.8% 46.6% .92*
Faculty/Practice (vs in training) 727 (57.3) 184 (57.9) 184 (57.7) 185 (58.2) 174 (55.6) .91*
Has seen patients in past 30 days 852 (67.2) 210 (66.0) 228 (71.7) 212 (66.7) 202 (64.5) .24*
Any Herb Use 1079 (85.1) 270 (84.9) 281 (88.4) 263 (82.7) 264 (84.3) .24*
HDS use (mean ± SD) 5.5 ± 6.3 5.6 ± 6.2 5.5 ± 6.0 5.5 ± 6.8 5.5 ± 6.3 .86‡
Self rank on computer knowledge 1 4.37 ± 1.15 4.32 ± 1.16 4.46 ± 1.33 4.37 ± 1.12 4.35 ± 1.19 .49†
%Knowledge questions correct 65.8 ± 10.7 65.6 ± 10.7 66.7 ± 10.2 64.8 ± 10.7 66.1 ± 10.8 .12†
Confidence scale score (range: 19,95) 52.5 ± 18.2 52.4 ± 17.9 52.8 ± 17.8 52.5 ± 18.2 52.3 ± 17.8 .99†
Practice Scale (range 0,10) 2.2 ± 1.9 2.1 ± 1.8 2.4 ± 2.0 2.1 ± 2.0 2.2 ± 1.9 .24‡
Paid CE Fee 587 (46.3) 149 (46.9) 153 (48.1) 148 (46.5) 137 (43.8) .74*
Completed outcome 780 (61.6) 195 (61.3) 206 (64.8) 177 (56.5) 202 (63.5) .16 *
  1. * Determined by Chi square method.
  2. † Determined by One-way ANOVA.
  3. ‡ Determined by Kruskal Wallis test.
  4. 1 On this self-report scale, 1 = Novice and 7 = Trainer/Specialist.