Table 2.
Primary outcomes
| Proportion (%), unless otherwise specified | Group 1 (n=15) |
Group 2 (n=15) |
Group 3 (n=16) |
Total (n=46) |
| Number of diaries with some data points entered by participant by end of participant follow-up | 15 (100%) |
13 (86.7%) |
13 (81.3%) |
41 (89.1%) |
| Number of diaries fully completed by participant by end of participant follow-up | 13 (86.7%) |
10 (66.7%) |
9 (56.3%) |
32 (69.6%) |
| Paper diaries issued due to failure of electronic diary | 0 (0%) |
0 (0%) |
0 (0%) |
0 (0%) |
| Number randomised as a proportion of the target recruitment number | 46/45 (102.2%) |
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| Number randomised as a proportion of invited participants | 46/120 (38.3%) |
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| Number randomised as a proportion of eligible participants | 46/67 (68.7%) |
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| No of patients invited | 120 | |||
| No of patients eligible | 67 | |||
| No of participants enrolled | 15 | 15 | 16 | 46 |
| No of participants randomised | 15 | 15 | 16 | 46 |
| No of recruited per month (n) | 9.2 | |||
| Number of participants lost to follow-up | 0 (0%) |
2 (13.3%) |
1 (6.3%) |
3 (6.5%) |
| Number of participants withdrawing from study | 0 (0%) |
0 (0%) |
2 (12.5%) |
2 (4.4%) |
| Side effects or problems related to cranberry consumption | ||||
| Yes | 0/13 (0%) |
0/10 (0%) |
1/11 (9.1%) |
1/34 (2.9%) |
| No | 1/13 (7.7%) |
10/10 (100%) |
10/11 (90.9%) | 21/34 (61.8%) |
| Not applicable | 12/13 (92.3%) | 0/10 (0%) |
0/11 (0%) |
12/34 (35.3%) |
| Missing | 2/15 | 5/15 | 5/16 | 12/46 |
| Problems completing the electronic diary | ||||
| No problem | 14/14 (100%) | 9/10 (90%) |
9/11 (81.8%) |
32/35 (91.4%) |
| Some problems | 0/14 (0%) |
1/10 (10%) |
2/11 (18.2%) |
3/35 (8.6%) |
| Lots of problems | 0/14 (0%) |
0/10 (0%) |
0/11 (0%) |
0/35 (0%) |
| Missing | 1/15 | 5/15 | 5/16 | 11/46 |
| Problems using the scale of 0–50 | ||||
| No problem | 12/14 (85.7%) | 9/9 (100%) |
10/12 (83.3%) | 31/35 (88.6%) |
| Some problems | 2/14 (14.3%) | 0/9 (0%) |
2/12 (16.7%) |
4/35 (11.4%) |
| Lots of problems | 0/14 (0%) |
0/9 (0%) |
0/12 (0%) |
0/35 (0%) |
| Missing | 1/15 | 6/15 | 4/16 | 11/46 |
| Proportion of invited GP practices agreeing to participate in the trial | 5/5 (100%) |
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| Proportion of invited GP practices opened and recruiting to the trial | 4/5 (80%) |
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| Acceptability of the study to participants and recruiters, participants’ experience of having a UTI and thoughts on self-help for UTIs | Interviews with trial participants and recruiters will be reported elsewhere. | |||
Group 1—immediate antibiotics alone (control); group 2—immediate antibiotics and immediate cranberry; group 3—immediate cranberry and delayed antibiotics.
GP, general practitioner; UTI, urinary tract infection.