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Table 5 Correction equations to estimate objectively-measured height (cm) using self-reported data

From: Measuring the bias, precision, accuracy, and validity of self-reported height and weight in assessing overweight and obesity status among adolescents using a surveillance system

  Girls Boys
  n (N)4 Correction Equation R2 n (N)4 Correction Equation R2
Grade=8 1
African American 838 (35248) 72.93+0.54 SRHeight 57.1% 723 (38329) 53.18+0.68 SRHeight 80.4%
Hispanic 2998 (102957) 89.41+0.43 SRHeight 43.1% 2758 (124170) 88.40+0.46 SRHeight 47.4%
White/Other 2 2991 (126109) 48.94+0.69 SRHeight 70.0% 3250 (134664) 48.77+0.71 SRHeight 74.3%
Grade=11 3
African American 619 (28620) 54.42+0.66 SRHeight 72.0% 502 (26750) 34.32+0.80 SRHeight 89.6%
Hispanic 1826 (70726) 80.92+0.48 SRHeight 44.0% 1695 (78070) 74.52+0.56 SRHeight 56.9%
White/Other 2 2532 (123589) 31.84+0.80 SRHeight 81.8% 2647 (145409) 27.75+0.83 SRHeight 85.5%
  1. [1] Grade 8 students had a mean age of 13.7 years old (SE=0.02) and their percentiles 25% and 75% are 12.7 and 13.7 years old, respectively
  2. [2] White/other category includes non-Hispanic White, Asian, Pacific Islander, Native American, and “other”
  3. [3] Grade 11 students had a mean age of 16.7 years old (SE=0.03) and their percentiles 25% and 75% are 15.7 and 16.7 years old, respectively
  4. [4] n = sample size; N = estimated population size using the sampling weights, R2 = coefficient of determination in percentage; SR = self-reported