Predicted lengths/heights across categories of maternal education
| Age, months | Mean predicted height across categories of maternal education, cm (95% CI) | Ratio of mean height degree : less than O-level | |||
| Less than O-level | O-level | A-level | Degree or above | ||
| Boys N=6380 | |||||
| 0 | 51.03 (48.95 to 53.11) | 51.15 (47.07 to 53.23) | 51.17 (49.09 to 53.25) | 51.44 (49.36 to 53.52) | 1.008 |
| 12 | 76.18 (74.31 to 78.05) | 76.41 (74.54 to 78.28) | 76.43 (74.56 to 78.30) | 76.48 (74.60 to 78.36) | 1.004 |
| 24 | 87.58 (86.35 to 88.81) | 87.99 (86.76 to 89.22) | 88.05 (86.81 to 89.29) | 88.23 (86.98 to 89.48) | 1.007 |
| 36 | 96.04 (94.69 to 97.39) | 96.55 (95.20 to 97.90) | 96.62 (95.27 to 97.97) | 96.88 (95.52 to 98.24) | 1.009 |
| 48 | 102.4 (101.27 to 103.53) | 102.96 (101.84 to 104.08) | 103.01 (101.88 to 104.14) | 103.32 (102.18 to 104.46) | 1.009 |
| 60 | 108.76 (107.79 to 109.73) | 109.36 (108.40 to 110.32) | 109.40 (108.43 to 110.37) | 109.76 (108.77 to 110.75) | 1.009 |
| 72 | 115.12 (114.22 to 116.02) | 115.77 (114.87 to 116.67) | 115.79 (114.88 to 116.70) | 116.20(115.27 to 117.13) | 1.009 |
| 82 | 121.48 (120.52 to 122.44) | 122.18 (121.23 to 123.13) | 122.18 (121.21 to 123.15) | 122.65 (121.66 to 123.64) | 1.010 |
| 96 | 127.84 (126.72 to 128.96) | 128.59 (127.48 to 129.70) | 128.57 (127.45 to 129.69) | 129.09 (127.94 to 130.24) | 1.010 |
| 108 | 134.20 (132.86 to 135.54) | 135.00 (133.67 to 136.33) | 134.96 (133.62 to 136.30) | 135.53 (134.16 to 136.90) | 1.010 |
| 120 | 140.56 (138.96 to 142.16) | 141.40 (139.81 to 142.99) | 141.36 (139.76 to 142.96) | 141.97 (140.34 to 143.60) | 1.010 |
| Girls N=5986 | |||||
| 0 | 50.03 (48.02 to 52.04) | 50.29 (48.29 to 52.29) | 50.36 (48.35 to 52.37) | 50.68 (48.67 to 52.69) | 1.013 |
| 12 | 75.24 (73.30 to 77.18) | 75.45 (73.51 to 77.39) | 75.31 (73.37 to 77.25) | 75.49 (73.55 to 77.43) | 1.003 |
| 24 | 85.92 (84.70 to 87.14) | 86.38 (85.16 to 87.60) | 86.21 (84.99 to 87.43) | 86.61 (85.38 to 87.84) | 1.008 |
| 36 | 95.16 (93.74 to 96.58) | 95.78 (94.36 to 97.20) | 95.62 (94.20 to 97.04) | 96.18 (94.75 to 97.61) | 1.011 |
| 48 | 101.52 (100.34 to 102.70) | 102.12 (100.94 to 103.30) | 102.06 (100.88 to 103.24) | 102.64 (101.44 to 103.84) | 1.011 |
| 60 | 107.88 (106.88 to 108.88) | 108.47 (107.47 to 109.47) | 108.50 (107.49 to 109.51) | 109.10 (108.07 to 110.13) | 1.011 |
| 72 | 114.24 (113.31 to 115.17) | 114.81 (113.89 to 115.73) | 114.93 (114.00 to 115.86) | 115.56 (114.61 to 116.51) | 1.012 |
| 82 | 120.60 (119.63 to 121.57) | 121.15 (120.18 to 122.12) | 121.37 (120.39 to 122.35) | 122.02 (121.01 to 123.03) | 1.012 |
| 96 | 126.96 (125.83 to 128.09) | 127.49 (126.36 to 128.62) | 127.81 (126.67 to 128.95) | 128.48 (127.32 to 129.64) | 1.012 |
| 108 | 133.32 (131.96 to 134.68) | 133.83 (132.48 to 135.18) | 134.25 (132.89 to 135.61) | 134.94 (133.55 to 136.33) | 1.012 |
| 120 | 139.68 (138.05 to 141.31) | 140.18 (138.56 to 141.80) | 140.69 (139.06 to 142.32) | 141.40 (139.74 to 143.06) | 1.012 |