Table 3 Comparisons of self-reported and direct measures of height among 11- to 15 year old adolescents by height measuring history, recall ability for height and response capability for height
N | Height/self-reported (cm) | Height/direct (cm) | Difference for height (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | 95% CI | P value* | ||
Boys | 839 | 164.51 | 13.11 | 164.26 | 12.77 | 0.25 | 3.47 | 0.02; 0.49 | 0.0340 |
Girls | 886 | 160.37 | 9.53 | 160.22 | 9.02 | 0.15 | 2.81 | −0.04; 0.34 | 0.1108 |
Height measuring history | |||||||||
Boys | |||||||||
Measured recently | 679 | 164.12 | 13.21 | 163.89 | 12.96 | 0.23 | 3.25 | −0.02; 0.47 | 0.0669 |
Not measured recently | 155 | 166.27 | 12.64 | 165.79 | 11.99 | 0.48 | 4.27 | −0.20; 1.15 | 0.1669 |
Girls | |||||||||
Measured recently | 692 | 160.11 | 9.60 | 159.96 | 9.18 | 0.15 | 2.62 | −0.05; 0.34 | 0.1427 |
Not measured recently | 190 | 161.31 | 9.33 | 161.09 | 8.45 | 0.22 | 3.42 | −0.27; 0.71 | 0.3713 |
Recall ability for height | |||||||||
Boys | |||||||||
High recall ability | 707 | 164.62 | 13.36 | 164.28 | 13.02 | 0.34 | 3.21 | 0.11; 0.58 | 0.0046 |
Low recall ability | 127 | 163.81 | 11.87 | 164.00 | 11.59 | −0.19 | 4.70 | −1.02; 0.63 | 0.6416 |
Girls | |||||||||
High recall ability | 746 | 160.39 | 9.59 | 160.20 | 9.21 | 0.19 | 2.56 | 0.01; 0.38 | 0.0409 |
Low recall ability | 133 | 160.16 | 9.29 | 160.17 | 8.02 | −0.01 | 3.91 | −0.68; 0.66 | 0.9788 |
Response capability for height | |||||||||
Boys | |||||||||
Measured recently + high recall ability | 612 | 164.38 | 13.39 | 164.09 | 13.10 | 0.29 | 3.12 | 0.04; 0.54 | 0.0225 |
Measured recently + low recall ability | 66 | 161.77 | 11.23 | 162.11 | 11.65 | −0.34 | 4.23 | −1.38; 0.70 | 0.5145 |
Not measured recently + high recall ability | 94 | 166.43 | 12.96 | 165.62 | 12.49 | 0.81 | 3.54 | 0.08; 1.53 | 0.0291 |
Not measured recently + low recall ability | 61 | 166.02 | 12.23 | 166.06 | 11.27 | −0.04 | 5.19 | −1.37; 1.29 | 0.9569 |
Girls | |||||||||
Measured recently + high recall ability | 631 | 160.08 | 9.74 | 159.92 | 9.38 | 0.16 | 2.49 | −0.03; 0.36 | 0.1052 |
Measured recently + low recall ability | 60 | 160.50 | 7.97 | 160.42 | 6.90 | 0.08 | 3.66 | −0.86; 1.03 | 0.8605 |
Not measured recently + high recall ability | 115 | 162.09 | 8.55 | 161.73 | 8.12 | 0.36 | 2.89 | −0.17; 0.89 | 0.1842 |
Not measured recently + low recall ability | 73 | 159.87 | 10.30 | 159.96 | 8.88 | −0.09 | 4.12 | −1.05; 0.88 | 0.8607 |