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Maggie Koerth-Baker at 2:06 pm Fri, Mar 2, 2012
uh, the article makes it sound like p>0.05 is a bad thing (albeit not too bad since 0.0518 is close to 0.05). since the null here means NOT having a higher pH (and since a higher pH is bad), you DON’T want to reject the null, and so a higher p-value is, loosely speaking, “better.” anyway, it’s mostly irrelevant since the difference of 0.5 vaginal pH between the tampons (which is the statistic of interest) is statistically significant.
Aren’t vaginas acidic already. I swear I remember learning that in school.
In the Context and Variation Blog she does bring up some questions on how this is achieved, and if it will cause further issues. A little acidic is great, but there was a great Context and Variation post about using citric acid in the way of lime juice that caused excoriation, and problems.
I’ve used the RepHresh gel and I liked it. It’s just kind weird to have to remember to do it every three days… Every day I could manage, or once a week, but every three days was kind of tough.
At least we aren’t back to the days (pre WWII) when Lysol was being marketed as a douche.