Reproducibility of Bioelectrical Impedance Analysis in Pregnancy and the Association of Body Composition with the Risk of Gestational Diabetes: A Substudy of MUMS Cohort

Table 2

Reproducibility in the method comparison of Bodystat, RJL, and Tanita for estimation of BFP.

	ICC^a	ICC 95% CI	Average difference^b	LOA	value^c
Bodystat vs. RJL
T1	0.948	0.925–0.963	−3.52	−7.85, 0.80	<0.001
T2	0.963	0.946–0.975	−3.41	−6.88, 0.06	<0.001
T3	0.926	0.891–0.950	−2.93	−7.72, 1.87	<0.001
Bodystat vs. Tanita
T1	0.817	0.746–0.870	−0.57	−9.28, 8.15	0.18
T2	0.810	0.732–0.868	−0.67	−8.84, 7.50	0.11
T3	0.818	0.740–0.874	−0.14	−8.99, 6.14	<0.001

^a value for ICC all <0.001. ^bDifferences calculated as Bodystat minus RJL or Tanita. ^c value for paired t-test of differences between instruments. CI: confidence interval; ICC: intraclass correlation coefficient; LOA: limits of agreement; and T1/2/3: trimester 1/2/3.