Impact of Regular Exercise and Attempted Weight Loss on Quality of Life among Adults with and without Type 2 Diabetes Mellitus

Table 2

SF-12 scores for respondents with and with diabetes who did and did not regularly exercise.

	Exercise regularly		No regular exercise
SF-12 scores	T2DM(𝑛=472)	No DM (𝑛=1,687)	T2DM(𝑛=1,940)	No DM(𝑛=5,041)
Physical component summary (PCS), mean (SD)	44.4 (11.7)∗	49.3 (10.3)†	38.3 (12.6)̂‌	43.8 (12.2)
Mental component summary (MCS), mean (SD)	52.8 (9.2)	52.8 (8.5)†	48.3 (11.5)̂‌	49.4 (10.6)

^∗𝑃<.001 for comparison of T2DM versus No DM; 𝑃̂<.001 for comparison within T2DM of exercise regularly versus no regular exercise; ^†𝑃<.001 for comparison within No DM of exercise regularly versus no regular exercise.