Table 5.
Tolerability, acceptability, and blinding
| Tolerability | All (n=88) |
Garlic (n=50) |
Placebo (n=38) |
|---|---|---|---|
| n (%) | n (%) | n (%) | |
| Side effects | |||
| Total | 28 (32) | 18 (36) | 10 (26) |
| Reflux | 7 (8) | 5 (10) | 2 (5) |
| Improved digestion | 6 (7) | 5 (10) | 1 (2) |
| Garlic taste | 3 (3) | 3 (6) | 0 |
| Hot flushes | 4 (5) | 3 (6) | 1 (2) |
| Burping | 4 (5) | 2 (4) | 2 (5) |
| Bloating | 3 (3) | 1 (2) | 2 (5) |
| Flatulence | 3 (3) | 1 (2) | 2 (5) |
| Dizzy | 1 (1) | 1 (2) | 0 (0) |
| Nosebleed | 1 (1) | 1 (2) | 0 |
| Diarrhea | 2 (2) | 1 (2) | 1 (2) |
| Indigestion | 2 (2) | 1 (2) | 1 (2) |
| Difficulty swallowing capsules | 2 (2) | 1 (2) | 1 (2) |
| Nausea | 1 (1) | 0 | 1 (2) |
| Dry mouth | 1 (1) | 0 | 1 (2) |
| Acceptability | |||
| Easy taking capsules | |||
| Easy | 84 (95) | 48 (96) | 36 (95) |
| Acceptable | |||
| Acceptable | 88 (100) | 50 (100) | 38 (100) |
| Willing to continue | |||
| Agree | 74 (84) | 44 (88) | 30 (79) |
| Unsure | 11 (13) | 4 (8) | 7 (18) |
| Disagree | 3 (3) | 2 (4) | 1 (3) |
| Willing to spend (AU$0.3/capsule) | |||
| Agree | 70 (80) | 42 (84) | 28 (76) |
| Unsure | 14 (16) | 7 (14) | 7 (19) |
| Disagree | 3 (3) | 1 (2) | 2 (5) |
| Blinding | |||
| Correct | 29 (33) | 21 (42) | 8 (21) |
| Unsure | 46 (52) | 22 (44) | 24 (63) |
| Incorrect | 13 (15) | 7 (14) | 6 (16) |
Notes: Acceptability was measured using 5-point Likert scales. The two highest categories were combined (eg, very easy/easy, very acceptable/acceptable, strongly agree/agree).