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Table 2 Difference in SF-12 and SF-36 component summary scores for overweight and obesity compared to normal weight after adjustment for age, race, and sex.

From: Comparing the SF-12 and SF-36 health status questionnaires in patients with and without obesity

 

PCS-12*

PCS-36*

MCS-12

MCS-36

Normal weight (BMI 18.5–<25 kg/m2)

Reference

Reference

Reference

Reference

Overweight (BMI >25 kg/m2)

-4.0

-1.6

-0.4

-1.0

Obese (BMI >30 kg/m2)

-8.8

-5.7

-2.6

-3.1