Background: Physical inactivity is a major cardiovascular risk factor. Recently, we showed that non-exercise activity\nthermogenesis (NEAT) assessed by the self-reported questionnaire is favorably associated with metabolic risks in\npatients with type 2 diabetes. The purpose of the present study was to examine the validity of the questionnaire\nby comparing with objectively measured daily physical activity (PA) by using the triaxial accelerometer.\nMethods: Daily physical activity level (PAL) of 51 participants (24 men and 27 women) with type 2 diabetes was\nmeasured by the triaxial accelerometer. At the same time, we evaluated their NEAT score using our original\nquestionnaire modified from a compendium of physical activities.\nResults: The NEAT score was significantly and positively correlated with PAL measured by the triaxial accelerometer\n(r = 0.604, P < 0.001). PAL was also significantly and positively correlated with both the locomotive NEAT score\nand the non-locomotive NEAT score (r = 0.444, P = 0.001 and r = 0.526, P < 0.001, respectively).\nConclusions: The NEAT score measured by the self-reported questionnaire was highly correlated with PAL\nmeasured by the triaxial accelerometer. Our original NEAT questionnaire may be useful for evaluation of daily PAL\nin clinical practices.
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