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Table 8 Spinal function in subjects with different BMI levels

From: Reliability and validity of the novel self-reported spine functional scale (SSFS) in healthy participants

Sex Group Spinal function Total Percentage of poor spinal function
  Good Satisfactory Poor
Male BMI level Underweight 11 10 2 23 8.70%
Normal 271 197 13 481 2.70%
Overweight or obese 79 87 11 177 6.21%
Total   361 294 26 681 3.82%
χ2   11.144
P   0.025
Female BMI level Underweight 21 15 2 38 5.26%
Normal 29 33 32 94 34.04%
Overweight or obesity 0 3 3 6 50%
Total   51 51 36 138 26.09%
χ2   16.082
P   0.003