Table 2 Comparisons between measured and self-reported weight at baseline
From: Self-reported and measured weights and heights among adults in Seattle and King County
Baseline measured weight (kg) | Baseline reported weight (kg) | |||||
|---|---|---|---|---|---|---|
Mean (SD) | Mean (SD) | Differencea | 95 % CI | P-Valueb | P for trendc | |
Overall | 81.17 (24.54) | 79.82 (21.42) | 1.35 | (1.13,1.56) | <0.001 | |
Age | ||||||
21–49 | 80.41(21.62) | 79.04(21.42) | 1.37 | (1.09,1.64) | <0.001 | |
≥ 50 | 82.32(21.45) | 81.01(21.45) | 1.31 | (0.96,1.67) | <0.001 | 0.821 |
Gender | ||||||
Men | 90.67(21.32) | 89.64(21.75) | 1.03 | (0.61,1.46) | <0.001 | |
Women | 76.74(20.21) | 75.25(19.70) | 1.49 | (1.24,1.74) | <0.001 | 0.067 |
Race/Ethnicity | ||||||
White | 81.54(21.74) | 80.22(21.74) | 1.33 | (1.10,1.56) | <0.001 | |
Non-white | 79.11(20.46) | 77.66(19.86) | 1.45 | (0.80,2.09) | <0.001 | 0.722 |
Highest education | ||||||
≤ Some college | 86.35(24.70) | 84.62(24.60) | 1.73 | (1.24,2.22) | <0.001 | |
College graduates | 78.27(19.01) | 77.15(18.96) | 1.13 | (0.93,1.33) | <0.001 | 0.024 |
Annual household income | ||||||
< $50,000 | 86.87(24.53) | 85.05(24.57) | 1.82 | (1.24,2.41) | <0.001 | |
$50,000–< $100,000 | 81.70(20.46) | 80.51(20.38) | 1.19 | (0.86,1.52) | <0.001 | |
≥ $100,000 | 76.18(18.97) | 75.04(18.79) | 1.13 | (0.91,1.36) | <0.001 | 0.031 |
BMI | ||||||
Underweight or normal | 63.36(8.51) | 62.51(8.57) | 0.86 | (0.64,1.07) | <0.001 | |
Overweight | 80.21(10.82) | 78.74(10.89) | 1.47 | (1.11,1.84) | <0.001 | |
Obese | 102.01(20.00) | 100.22(20.50) | 1.79 | (1.28,2.30) | <0.001 | 0.001 |