Table 1 Logistic regression models of the effect of season of sampling on the F/B ratio

0.60 (0.56–0.64)

0.23 ± 0.19

1.26 (0.86–1.84)

0.24

1.20 ± 0.29

3.34 (1.89–5.90)

< 0.001

0.62 ± 0.23

1.86 (1.19–2.91)

0.006

0.62 (0.58–0.65)

0.19 ± 0.20

1.21 (0.82–1.77)

0.34

1.15 ± 0.29

3.17 (1.78–5.62)

< 0.001

0.59 ± 0.23

1.80 (1.15–2.82)

0.01

−0.19 ± 0.17

0.82 (0.59–1.15)

0.26

0.43 ± 0.25

1.54 (0.94–2.52)

0.08

0.41 ± 0.25

1.50 (0.91–2.47)

0.11

0.490 ± 0.36

1.63 (0.80–3.30)

0.17