Table 4 BMI category as prognostic factor for disability (ODI/NDI) at the end of treatment

LBP^a

Lean (reference)

–

Underweight

−4.92 (−18.1; 8.27)

0.45

Overweight

−3.90 (−7.4;−0.41)

0.03

Obesity class I

−0.83 (−6.1; 4.46)

0.76

Obesity class II–III

3.43 (−3.81; 10.68)

0.35

ODI baseline

0.59 (0.49; 0.69)

<0.001

FAB-P high

7.76 (4.39; 11.13)

<0.001

FAB-W high

−0.82 (−7.1; 5.4)

0.79

FAB-W high NA

2.42 (−2.69)7.53)

0.35

No relationship

3.03 (−0.43; 6.49)

0.09

Work-related RF

3.03 (−2.25; 8.32)

0.25

Chronic pain

4.49 (0.34; 8.64)

0.03

Treatment duration

0.04 (−0.02; 0.09)

0.16

NP^a

Lean (reference)

–

Underweight

−0.23 (−6.58; 6.12)

0.94

Overweight

0.91 (−2.23; 4.05)

0.57

Obesity class I

−0.46 (−5.39; 4.48)

0.85

Obesity class II–III

−4.65 (−11.98; 2.69)

0.21

NDI baseline

0.61 (0.43; 0.78)

<0.001

Work-related RF

4.07 (−0.35; 8.48)

0.07

Treatment duration

0.03 (−0.02; 0.08)

0.25