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. 2017 Jul 18;19(7):e253. doi: 10.2196/jmir.7602

Table 4.

Convergent validity of physical activity and sedentary behavior measurement devices as measured by Lin's concordance correlations, Pathways Between Socioeconomic Status and Behavioral Cancer Risk Factors Study, 2012.

Intensity Measurement
device
Accelerometer estimatesa


LCCb 95% CI Pearson r P value BCFc
Sedentary EMAd .07 −0.02 to 0.16 .12 .11 .61
Self-report .05 −0.06 to 0.16 .07 .35 .76
IPAQe .06 −0.05 to 0.18 .08 .28 .80
Moderate EMA .32 0.19 to 0.46 .32 <.001 .94
BRFSSf .12 −0.02 to 0.26 .12 .09 .42
IPAQ .04 −0.10 to 0.19 .05 .54 .19
Vigorous EMA .28 0.15-0.41 .29 <.001 .21
BRFSS .02 −0.12 to 0.16 .02 .78 0.12
IPAQ −.05 −0.19 to 0.09 −.05 .50 .14
MVPAg EMA .28 0.16 to 0.41 .32 <.001 .90
BRFSS .08 −0.06 to 0.22 .09 .25 .30
IPAQ −.00 −0.03 to 0.03 −.002 .98 .18

aAccelerometer data were classified as moderate or vigorous using Freedson’s cut points.

bLCC: Lin’s concordance correlations.

cBCF: bias correction factor.

dEMA: ecological momentary assessment.

eIPAQ: International Physical Activity Questionnaire.

fBRFSS: Behavioral Risk Factor Surveillance System.

gMVPA: moderate- to vigorous-intensity physical activity.