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. Author manuscript; available in PMC: 2010 Jan 22.
Published in final edited form as: J Appl Microbiol. 2009 Jun 5;107(5):1740–1750. doi: 10.1111/j.1365-2672.2009.04440.x

Table 5.

Summary table of anovas for entero-cocci enumerated with defined substrate. The experiment is given in the first column and factors in the second. F statistic (F), degrees of freedom (d.f.) and P-values are given for each sand. The error term is omitted for simplicity. In the case of the last experiment (effect of mass/shaking duration/type) where a three-way anova was used, ‘n/a’ indicates that factor was not relevant for the model.

Sand 1
Sand 2
Sand 3
Experiment Factor(s) F, d.f., P F, d.f., P F, d.f., P
Rinse Number of rinses 0·66, 2, 0·55 8·85, 2, 0·02* 0·45, 2, 0·66
Analyst 0·066, 1, 0·81 0, 1, 0·99 0·89, 1, 0·38
Number of rinses × analyst 0·72, 2, 0·53 2·91, 2, 0·13 0·48, 2, 0·64
Decanting Pipette or pour 2·71, 1, 0·18 0·67, 1, 0·46 4·05, 1, 0·14
Analyst 2·91, 1, 0·16 0·61, 1, 0·48 1·53, 1, 0·30
Analyst × pipette/pour 0·15, 1, 0·72 0·40, 1, 0·56 n/a
Settling Settling time 3·36, 2, 0·10 0·47, 2, 0·65 1·02, 2, 0·41
Analyst 1·60, 1, 0·25 1·36, 1, 0·29 24·95, 1, 0·002*
Analyst × settling time 0·60, 2, 0·58 1·06, 2, 0·40 15·61, 2, 0·004*
Eluant Eluant composition 2·07, 4, 0·16 2·45, 4, 0·11 8·86, 4, 0·003*
Analyst 0·36, 1, 0·56 0·31, 1, 0·59 0·26, 1, 0·64
Analyst × eluant 0·88, 4, 0·51 3·53, 4, 0·048* 0·84, 4, 0·53
Sonication Sonication 0·54, 1, 0·49 1·71, 1, 0·24 0·16, 1, 0·70
Prefiltration Prefiltration 0·40, 1, 0·56 13·24, 1, 0·02* 2·08, 1, 0·22
Analyst 0·01, 1, 0·94 16·94, 1, 0·02* 0·004, 1, 0·95
Analyst × prefiltration 0·12, 1, 0·75 62·93, 1, 0·001* 0·036, 1, 0·86
Blending Blending 64·47, 1, 0·001* 2·99, 1, 0·16 77·4, 1, 0·001*
Analyst 53·85, 1, 0·002* 2·73, 1, 0·17 1·86, 1, 0·24
Analyst × blending 52·91, 1, 0·002* 1·33, 1, 0·31 0·39, 1, 0·57
Mass/shaking Analyst 2·10, 1, 0·16 4·93, 1, 0·039* 17·58, 1, 0·001*
Mass 2·48, 2, 0·11 7·44, 2, 0·004* 2·89, 2, 0·081
Shaking 0·97, 2, 0·40 0·33, 2, 0·72 0·63, 2, 0·54
Analyst × mass 0·23, 2, 0·80 2·67, 2, 0·10 1·36, 2, 0·28
Analyst × shaking 0·01, 2, 0·99 0·045, 2, 0·96 0·33, 2, 0·72
Mass × shaking 1·84, 4, 0·17 0·64, 4, 0·64 1·12, 4, 0·38
Analyst × mass × shaking 0·64, 4, 0·64 2·05, 4, 0·13 1·91, 4, 0·15

Significant factors are shown in bold with a ‘*’