Table 2.
Vaginal practices and product used (at baseline and follow-up) among MIRA participants, overall and by study group
| Baseline | Overall | Intervention group | Control group | Chi-square P value |
||||
|---|---|---|---|---|---|---|---|---|
| n = 4925 | % | n = 2466 | % | n = 2459 | % | |||
| Intravaginal washing | 4077 | 82.78 | 2053 | 83.25 | 2024 | 82.31 | ns | |
| Intravaginal wiping | 2782 | 56.49 | 1417 | 57.46 | 1365 | 55.51 | ns | |
| Intravaginal insertion | 1013 | 20.57 | 516 | 20.92 | 497 | 20.21 | ns | |
| Used product in vagina | 2608 | 52.95 | 1305 | 52.92 | 1303 | 52.99 | ns | |
| Water only | 1439 | 29.22 | 715 | 28.99 | 724 | 29.44 | ns | |
| Soap and water | 1625 | 32.99 | 816 | 33.09 | 809 | 32.90 | ns | |
| Other products | 269 | 5.46 | 138 | 5.60 | 131 | 5.33 | ns | |
| Follow-up | ||||||||
|---|---|---|---|---|---|---|---|---|
| persons-visits (pv) | n = 27469 pv | % pv | n = 13575 pv | % pv | n = 13894 pv | % pv | OR (95%CI)a | Chi-square P-value |
| Intravaginal washing | 20821 | 75.8 | 10648 | 78.44 | 10173 | 73.22 | 1.35 (1.22–1.50) | <0.0001 |
| Intravaginal wiping | 11247 | 40.94 | 5772 | 42.52 | 5475 | 39.41 | 1.14 (1.05–1.24) | 0.0019 |
| Intravaginal insertion | 3613 | 13.15 | 1708 | 12.58 | 1905 | 13.71 | 0.93 (0.82–1.04) | ns |
| Women’s last visitb | n = 4711 | % | n = 2353 | % | n = 2358 | % | OR (95%CI)c | |
|---|---|---|---|---|---|---|---|---|
| Used product in vagina | 2192 | 46.53 | 1090 | 46.32 | 1102 | 46.73 | 0.98 (0.88–1.1) | ns |
| Water only | 1220 | 25.9 | 620 | 26.35 | 600 | 25.45 | 1.05 (0.92–1.2) | ns |
| Soap and water | 1277 | 27.11 | 679 | 28.86 | 598 | 25.36 | 1.23 (1.07–1.41) | 0.003 |
| Other products | 198 | 4.2 | 95 | 4.04 | 103 | 4.37 | 0.92 (0.69–1.23) | ns |
All three vaginal practices and use of product in the vagina were asked for the past 3 months (at baseline) or since last quarterly interview (at follow-up visit)
Other products included at baseline: commercial cleaning product (n = 95; 1.9%); lubricants (n = 57; 1.2%); natural agents (n = 46; 0.9%); vinegar (n = 43; 0.9%), douche (n = 18; 0.4%), and other unspecified products (n = 46; 0.9%)
Other products included at last visit: commercial cleaning product (n = 46; 0.9%); lubricants (n = 36; 0.8%); natural agents (n = 28; 0.6%); vinegar (n = 52; 1.1%), douche (n = 23; 0.5%), and other unspecified products (n = 40; 0.9%)
OR odds ratio intervention versus control arm, controlling for site, CI confidence interval, ns non-significant, pv persons-visits
aGEE
bThis question was assessed at participant’s exit visit or last available study visit, in a subset of 4,711 women
clogisitic regression