Weight* |
0, 16 week, 10-month |
Doran Digital Scale DS6100 |
Measured twice to the nearest 0.1 lbs, averaged |
-- |
-- |
Height* |
0, 16 week, 10-month |
Seca 213 Stadiometer |
Measured twice to the nearest 0.01 inches, averaged |
-- |
-- |
Waist Circumference (WC) |
0, 16 week, 10-month |
Tape measure |
Measured twice with inelastic tape to the nearest 0.1cm using NIH Guidelines [40]. |
r=0.62 for correlation between WC and visceral abdominal tissue among women [41] |
r=0.998 for intraclass correlation in females [42]. |
Blood Pressure |
0, 16 week, 10-month |
Omron Digital Blood Pressure Monitor (HEM-907XL) |
Measured twice to the nearest 1 mmHg, averaged |
-- |
-- |
Blood Lipids |
0, 16 week |
Cholestech LDX system |
Measures fasting blood lipids and glucose profiles from blood sample collected via finger stick |
TC, r =0.92; TRG, r = 0.93; HDL, r =0.92; LDL, r =0.86; with Lab values [43]. |
ρ > 0.75 ICC for all 4 lipid categories [44]. |
HbA1c |
0, 16 week |
Bayer A1cNow+ Multi-Test A1c System |
HbA1c measure collected via finger stick |
r = 0.893 with Laboratory results [45]. |
Sensitivity 0.95, specificity 0.74, positive predictive value 0.85, negative predictive value 0.91 [45]. |
Diet |
0, 16 week, 10-month |
Delta NIRI (short FFQ) |
158-item questionnaire designed to assess African Americans food intake patterns [24] |
Statistical correlations in energy intake were demonstrated between Delta short FFQ and 24-hour dietary recalls [24] |
Energy adjusted correlations for macronutrient and micronutrient intakes between the short FFQ and 24-hour dietary recalls ranged from 0.13 – 0.54 [24] |
Physical Activity |
0, 16 week, 10-month |
Past Week Modifiable Physical Activity Questionnaire |
Self-report duration and type of physical activities completed in the past week |
r = 0.51 with pedometer [46]. |
r= 0.74 ICC for test-retest reliability [26] |
Physical Activity |
0, 16 week, 10-month |
Yamax Power Walker Ex-510 Pedometer |
Pedometer that stores daily step counts |
r = 0.98 with manual count [47]. |
Cronbach’s α =0.992 [48]. |
Estradiol (pg/mL) |
0, 16 week |
4mL Saliva, ELISA assay method in ZRT Lab |
Saliva collected in 4 consecutive weeks and sent to a laboratory to assay |
r = 0.71 with serum sample [49, 50]. |
CV = 5.2% in interassay [50] |
Cortisol (ng/mL) |
0, 16 week |
4mL Saliva, EIA assay method in ZRT Lab |
Fasting morning saliva sent to a laboratory to assay |
r = 0.81 with serum sample [51, 52]. |
CV = 2.2% in interassay [53]. |