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. 2018 Jan 16;8:852. doi: 10.1038/s41598-017-14943-3

Table 1.

Significantly fitted predicator variables to vaginal metabolites.

Variable SS (trace) Pseudo-F p-value Proportion (%) Cumulative Proportion (%)
Individual model test
CST 3181.00 9.94 0.002 22.62 NA
Smoking status 880.65 2.27 0.074 6.26 NA
Race 1120.00 2.94 0.033 7.96 NA
Education level 1216.90 3.22 0.038 8.65 NA
Fitted model with selected variables, adjusted R2 = 0.26
CST 3181.00 9.94 0.001 22.62 22.62
Race 817.71 2.68 0.037 5.82 28.44
Education level 533.18 1.79 0.11 3.79 32.23
Smoking status 292.20 0.98 0.37 2.08 34.31

Distance based linear modelling (DISTLM) was performed on vaginal metabolites fitted with participant behavioral variables listed in Table 2. DISTLM was conducted with adjusted R2 over 9,999 permutations. DISTLM identifies the best-fit model based on all the available variables that best-explain the composition of vaginal metabolites. The visual display of these data as represented by the distance-based redundancy analysis (dbRDA) plot is displayed in Fig. 3.