Extended Data Table 1 Post hoc pairwise t-tests comparing algal biofilm density (cells cm−2) between plastic items at Week 8. Tests were two-sided, and P values were adjusted for multiple comparisons using the Benjamini–Hochberg method
From: The role of biofouling and microbial colonization in shaping macroplastic fate in freshwaters
Group 1 | Group 2 | N1 | N2 | P | Adjusted P | |
|---|---|---|---|---|---|---|
1 | HDPE-bag-1 | HDPE-bag-2 | 3 | 3 | 0.0038 | 0.0106 |
2 | HDPE-bag-1 | PE-bag-1 | 3 | 3 | 0.001 | 0.00467 |
3 | HDPE-bag-2 | PE-bag-1 | 3 | 3 | 0.524 | 0.7 |
4 | HDPE-bag-1 | PE-bag-2 | 3 | 3 | 0.000268 | 0.00251 |
5 | HDPE-bag-2 | PE-bag-2 | 3 | 3 | 0.209 | 0.408 |
6 | PE-bag-1 | PE-bag-2 | 3 | 3 | 0.52 | 0.7 |
7 | HDPE-bag-1 | PLA-cup | 3 | 3 | 0.000282 | 0.00251 |
8 | HDPE-bag-2 | PLA-cup | 3 | 3 | 0.218 | 0.408 |
9 | PE-bag-1 | PLA-cup | 3 | 3 | 0.537 | 0.7 |
10 | PE-bag-2 | PLA-cup | 3 | 3 | 0.979 | 0.979 |
11 | HDPE-bag-1 | PP-cup | 3 | 3 | 0.000359 | 0.00251 |
12 | HDPE-bag-2 | PP-cup | 3 | 3 | 0.263 | 0.436 |
13 | PE-bag-1 | PP-cup | 3 | 3 | 0.617 | 0.7 |
14 | PE-bag-2 | PP-cup | 3 | 3 | 0.884 | 0.939 |
15 | PLA-cup | PP-cup | 3 | 3 | 0.905 | 0.939 |
16 | HDPE-bag-1 | PP-straw | 3 | 3 | 0.000102 | 0.00251 |
17 | HDPE-bag-2 | PP-straw | 3 | 3 | 0.0902 | 0.194 |
18 | PE-bag-1 | PP-straw | 3 | 3 | 0.265 | 0.436 |
19 | PE-bag-2 | PP-straw | 3 | 3 | 0.625 | 0.7 |
20 | PLA-cup | PP-straw | 3 | 3 | 0.606 | 0.7 |
21 | PP-cup | PP-straw | 3 | 3 | 0.527 | 0.7 |
22 | HDPE-bag-1 | PS-lid | 3 | 3 | 0.609 | 0.7 |
23 | HDPE-bag-2 | PS-lid | 3 | 3 | 0.0228 | 0.0532 |
24 | PE-bag-1 | PS-lid | 3 | 3 | 0.00702 | 0.0179 |
25 | PE-bag-2 | PS-lid | 3 | 3 | 0.0021 | 0.00772 |
26 | PLA-cup | PS-lid | 3 | 3 | 0.0022 | 0.00772 |
27 | PP-cup | PS-lid | 3 | 3 | 0.00275 | 0.00856 |
28 | PP-straw | PS-lid | 3 | 3 | 0.000845 | 0.00467 |
