Table 3.
Comparison of baseline characteristics of women with and women without complete outcome data from trial of oral and vaginal lactobacillus for preventing post-antibiotic vulvovaginitis. Values are numbers (percentages*) unless stated otherwise
| Characteristics | Complete outcome data (n=235)* | Incomplete outcome data (n=43)* | P value of difference† |
|---|---|---|---|
| Mean (SD) age (years) | 35.1 (8 3) | 30.6 (8 4) | 0.002 |
| Single women | 60 (26) | 14 (35) | 0.21 |
| Completed tertiary education | 141 (60) | 16 (40) | 0.02 |
| Smokes | 34 (15) | 17 (43) | <0.0001 |
| Ever drinks alcohol | 199 (85) | 29 (73) | 0.06 |
| Income >$A1000/week | 120 (53) | 15 (40) | 0.12 |
| Born in Australia | 200 (85) | 36 (92) | 0.23 |
| Using oestrogen based drugs | 68 (29) | 13 (33) | 0.65 |
| Regular menstrual cycle | 167 (71) | 25 (63) | 0.28 |
| Prone to post-antibiotic vulvovaginitis (self assessed)‡ | 63 (28) | 9 (23) | 0.55 |
| Baseline vaginal swab positive for candida species | 51 (22) | 8 (20) | 0.81 |
| Body mass index (kg/m2) >30 | 29 (13) | 4 (11) | 0.77 |
| Eats yoghurt | 152 (65) | 21 (53) | 0.14 |
| Taking narrow spectrum antibiotics | 56 (24) | 14 (33) | 0.23 |
*
Some missing data
†
Pearson χ2 statistic, except for Student's t test for age.
‡
Responded “Often” or “Always” to question: “How often do you get thrush when taking antibiotics?”