Table 2 Results of stepwise multiple regression analysis: Skin health parameters that significantly predict proportions of various bacterial communities and microbial diversity indicators.
Phylum/Diversity Indicator | Genus | Cheek Sebum (μg/cm2) | Forehead Hydration [Age adjusted] (a.u.) | ||||
---|---|---|---|---|---|---|---|
Regression Coefficient (% of Total Variance explained) | Std.Error | p-value | Regression Coefficient (% of Total Variance explained) | Std.Error | p-value | ||
Actinobacteria | All genera within phylum | 0.657 (24.12) | 0.17 | 0.001 | −1.307 (15.09) | 0.503 | 0.015 |
Propionibacterium | 0.735 (20.35) | 0.213 | 0.002 | −1.459 (13.62) | 0.63 | 0.029 | |
Proteobacteria | All genera within phylum | −0.193 (16.71) | 0.083 | 0.028 | * | ||
Haemophilus | −0.029 (13.97) | 0.009 | 0.004 | 0.077 (20.72) | 0.027 | 0.008 | |
Enhydrobacter | −0.005 (17.79) | 0.002 | 0.023 | * | |||
Firmicutes | All genera within phylum | −0.34 (22.61) | 0.091 | 0.001 | 0.665 (14.6) | 0.271 | 0.021 |
Granulicatella1 | −0.012 (15.24) | 0.004 | 0.002 | * | |||
Streptococcus | −0.127 (18.30) | 0.039 | 0.003 | 0.265 (13.93) | 0.115 | 0.029 | |
Veillonella | −0.006 (16.83) | 0.003 | 0.027 | * | |||
Bacillus | −0.007 (21.00) | 0.002 | 0.012 | * | |||
Bacteroidetes | All genera within phylum | −0.047 (19.79) | 0.014 | 0.003 | 0.09 (12.27) | 0.042 | 0.04 |
Prevotella | −0.01 (19.44) | 0.004 | 0.017 | * | |||
DIVERSITY INDICATORS2 | Shannon Index (6.83 ± 0.37) | −0.037 (14.12) | 0.016 | 0.032 | 0.139 (14.14) | 0.048 | 0.007 |
Chao Index (6927.05 ± 443.48) | −63.407 (16.86) | 17.778 | 0.001 | 161.413 (22.09) | 52.621 | 0.005 | |
Total No. of Genera (350.79 ± 25.34) | −4.493 (37.03) | 0.95 | 0.000069 | 6.075 (9.58) | 2.812 | 0.04 |