Table 4 Multinomial Logistic Regression Models exploring significant risk age group of predominant enteric pathogenic infection at IDH, Kolkata (November 2007-October 2009)

Below 1 yrs

V. cholerae O1

-1.31

0.27(0.16-0.46)

0.000*

Rotavirus

2.46

11.72(6.73-20.41)

0.000*

Shigella

-0.81

0.44(0.18-1.08)

0.073

Giardia lamblia

0.87

2.39(1.09-5.24)

0.030*

1 to 2 yrs

V. cholerae O1

-0.74

0.48(0.30-0.76)

0.002*

Rotavirus

2.42

11.28(6.54-19.45)

0.000*

Shigella

0.32

1.38(0.70-2.73)

0.354

Giardia lamblia

1.38

3.99(1.89-8.41)

0.000*

>2 to 5 yrs

V. cholerae O1

0.32

1.38(0.88-2.17)

0.162

Rotavirus

1.05

2.85(1.55-5.25)

0.001*

Shigella

0.66

1.93(0.95-3.93)

0.070

Giardia lamblia

1.38

3.96(1.80-8.71)

0.001*

>5 to 14 yrs

V. cholerae O1

0.36

1.43(0.93-2.19)

0.101

Rotavirus

-0.05

0.95(0.48-1.87)

0.885

Shigella

0.18

1.20(0.57-2.49)

0.636

Giardia lamblia

1.81

6.11(2.90-12.88)

0.000*

>14 to 30 yrs

V. cholerae O1

0.23

1.26(0.89-1.80)

0.195

Rotavirus

-0.01

0.99(0.57-1.72)

0.977

Shigella

-0.68

0.51(0.26-0.99)

0.040*

Giardia lamblia

0.79

2.20(1.08-4.51)

0.031*

>30 to 45 yrs

V. cholerae O1

-0.15

0.86(0.59-1.26)

0.444

Rotavirus

0.06

1.06(0.60-1.87)

0.845

Shigella

-0.44

0.65(0.33-1.28)

0.209

Giardia lamblia

0.70

2.01(0.96-4.21)

0.064

>45 to 60 yrs

V. cholerae O1

0.06

1.07(0.71-1.60)

0.756

Rotavirus

-0.01

0.99(0.53-1.83)

0.965

Shigella

0.00

1.00(0.50-2.02)

0.992

Giardia lamblia

0.70

2.02(0.93-4.41)

0.077

>60 yrs

Reference category