Table 5 Odds ratio (OR) and confidence intervals (CI) of risk of developing contractures in children with CP enrolled or not enrolled into EI and/or FU programs adjusted for gross motor function (GMFCS), hand function (BFMF), gestational age (GA), and level of income

 Yes

 No

 Total

OR adjusted separately for:

Nr.

p-value

OR

95% C.I. Lower

95% C.I. Upper

  Level I, II, III

241

Reference

  Level IV, V

110

.002

10.931

2.328

51.328

  Level I, II, III

254

Reference

  Level IV, V

97

.359

1.772

.521

6.020

  Medium and High income

231

Reference

  Low Income

120

.594

1.157

.676

1.981

  ≥ 37GW

250

Reference

  < 37 GW

101

.035

.510

.272

.954

  Yes

166

Reference

  No

185

.000

.020

.006

.067

Nagelkerke R Square

0.433