Table 5 Association of Socio-economic position (SEP) with Prolonged length of stay (LOS) for children with only one admission in the year of study (n=1925)

≥ to 1.8 days (mean)

1st (least)

1.00

-

-

1.00

-

-

1.00

-

-

1.00

-

-

2nd

1.01

0.78, 1.32

0.941

1.00

0.76, 1.31

0.999

0.97

0.73, 1.29

0.842

1.03

0.81, 1.30

0.824

3rd

1.23

0.95, 1.61

0.120

1.21

0.92, 1.59

0.170

1.17

0.88, 1.55

0.288

1.24

0.98, 1.57

0.068

4th (most)

0.88

0.67, 1.16

0.357

0.84

0.63, 1.12

0.244

0.86

0.64, 1.16

0.325

0.96

0.75, 1.23

0.746

≥to 4 days

1st (least)

1.00

-

-

1.00

-

-

1.00

-

-

1.00

-

-

2nd

1.32

0.94, 1.84

0.107

1.28

0.91, 1.81

0.159

1.24

0.87, 1.76

0.240

1.23

0.89, 1.75

0.262

3rd

1.21

0.86, 1.70

0.280

1.15

0.81, 1.64

0.438

1.12

0.78, 1.60

0.549

1.11

0.77, 1.60

0.576

4th (most)

0.89

0.62, 1.28

0.520

0.81

0.55, 1.18

0.277

0.82

0.56, 1.20

0.307

0.84

0.57, 1.23

0.376

>24 hours (median)

1st (least)

1.00

-

-

1.00

-

-

1.00

-

-

1.00

-

-

2nd

1.13

0.82, 1.57

0.446

1.08

0.77, 1.50

0.665

1.08

0.76, 1.52

0.675

1.04

0.72, 1.52

0.821

3rd

0.98

0.71, 1.35

0.8961

0.93

0.67, 1.29

0.650

0.87

0.62, 1.22

0.421

0.90

0.62, 1.31

0.584

4th (most)

0.91

0.66, 1.26

0.582

0.88

0.63, 1.22

0.433

0.93

0.66, 1.30

0.664

0.96

0.66, 1.39

0.545

IRR

95% CI

p value

IRR

95% CI

p value

IRR

95% CI

p value

IRR

95% CI

p value

Days

1st (least)

ref

-

-

ref

-

-

ref

-

-

ref

-

-

2nd

1.13

0.95, 1.19

0.069

1.09

0.96, 1.25

0.191

1.07

0.94, 1.22

0.327

1.06

0.93, 1.21

0.421

3rd

1.17

1.02, 1.34

0.021

1.13

0.99, 1.30

0.070

1.12

0.98, 1.28

0.098

1.11

0.97, 1.27

0.119

4th (most)

1.01

0.83, 1.16

0.894

0.95

0.83, 1.10

0.511

0.97

0.84, 1.11

0.622

0.98

0.85, 1.12

0.7595