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Sexually Transmitted Diseases:
doi: 10.1097/OLQ.0b013e31825ac182
Erratum

Bacterial Vaginosis and Risk for Trichomonas vaginalis Infection: A Longitudinal Analysis: Erratum

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Figure 1 has an error and has been corrected to specify how the interaction term is used in GEE. Two parameters have been added; the interaction term fixed, and the remaining coefficients have been shifted accordingly in the revised figure.

Figure 1 (Revised): GEE model specification

For i = participants 1 to 853 and j = visits 2 to 3:

log[Pr(TV)ij = 1 | covariates)] = β0 + β1(abnormal flora)ij + β2(abnormal flora)ij-1 + β3((abnormal flora)ij*(abnormal flora)ij-1) + β4(age of sexual debut)i1 + β5(years with partner)i1 + β6(years of education)i1 + β7(religion)i1 + β8(vaginal sex acts in past 3 months)ij + β9(asset index score)i1 + β10(HSV2)ij

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REFERENCE

Rathod SD, Krupp K, Klausner JD, et al.. Bacterial Vaginosis and Risk for Trichomonas vaginalis Infection: A Longitudinal Analysis. Sex Transm Dis. 2011; 38:882–886.

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