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Table 3 Multivariable linear regression between change in body weight with change in regional peak plantar pressure and change in foot pain

From: Increase in body weight over a two-year period is associated with an increase in midfoot pressure and foot pain

i) Plantar pressuresa

Unstandardised B coefficients (95% CI)

p value

 Whole foot

2.151 (−2.275 to 7.186)

0.302

 Heel

2.921 (−0.940 to 6.782)

0.135

 Midfoot

4.648 (0.273 to 9.024)

0.038

 Forefoot

2.230 (−2.231 to 6.691)

0.319

 Hallux

1.444 (−3.046 to 5.935)

0.521

 Lesser toes

4.303 (−1.032 to 9.638)

0.111

ii) Manchester Foot Pain and Disability Indexb

  

 Pain intensity subscale

0.216 (−0.611 to 1.044)

0.601

 Functional limitation subscale

0.409 (0.101 to 0.717)

0.010

  1. Each region and pain subscale was analysed independently. The change in foot pain intensity and functional limitation units are Manchester Foot and Disability Index Rasch transformed scores (pain intensity and functional limitation domains)
  2. Abbreviation: CI confidence interval
  3. aAdjusted for age, gender and change in contact time
  4. bAdjusted for age and gender