Table 6 Relative risk of baby colonisation born to mothers colonised with antibiotic-resistant Escherichia coli and other resistance genes compared with non-colonised mothers

E. coli detected

1.3 (0.70, 2.47)

1.29 (0.68, 2.46)

1.35 (0.72, 2.52)

1.31 (0.70, 2.46)

1.32 (0.70, 2.49)

–

Ampicillin-resistant E. coli

1.98 (0.94, 4.16)

2.29 (1.13 ,4.64)

2.13 (1.04, 4.39)

1.91 (0.92, 3.97)

2.00 (0.95, 4.23)

–

Co-amoxiclav-resistant E. coli

1.93 (0.81, 4.58)

2.14 (0.88, 5.19)

2.24 (0.97, 5.19)

1.95 (0.84, 4.53)

1.84 (0.77, 4.40)

–

Co-trimoxazole-resistant E. coli

4.82 (1.12, 20.8)

4.44 (0.97, 20.3)

5.16 (1.21, 22.0)

4.71 (1.04, 21.4)

4.51 (1.03, 19.7)

4.55 (1.05, 19.6)

Multiple resistance in E. coli

6.50 (1.22, 34.7)

5.14 (0.99, 26.6)

6.70 (1.29, 34.8)

9.52 (1.93, 46.9)

6.39 (1.17, 34.8)

6.13 (1.15, 32.7)

TEM resistance gene

1.71 (0.96, 3.06)

1.83 (1.01, 3.33)

1.92 (1.07, 3.46)

1.89 (1.07, 3.34)

1.67 (0.91, 3.06)

1.87 (1.01, 3.46)

CTX-M resistance gene

2.00 (0.98, 4.06)

1.87 (0.88, 3.99)

1.88 (0.93, 3.79)

1.88 (0.94, 3.74)

1.92 (0.95, 3.89)

1.86 (0.92, 3.77)