Age group (years) | Mean | SD | 20th centile | 50th centile | 80th centile | Difference between 80th and 20th centile |
Women | ||||||
40–49 | −0.79 | −0.23 | −0.62 | −0.73 | −0.96 | −0.34 |
50–59 | −0.98 | −0.27 | −0.74 | −0.96 | −1.19 | −0.45 |
60–69 | −1.27 | −0.21 | −1.11 | −1.22 | −1.36 | −0.25 |
70–79 | −1.54 | −0.17 | −1.45 | −1.40 | −1.72 | −0.27 |
80–89 | −1.38 | −0.17 | −1.34 | −1.48 | −1.52 | −0.18 |
Men | ||||||
40–49 | −0.74 | −0.14 | −0.60 | −0.68 | −0.93 | −0.34 |
50–59 | −0.89 | −0.13 | −0.80 | −0.90 | −1.01 | −0.21 |
60–69 | −1.20 | −0.09 | −1.14 | −1.19 | −1.26 | −0.12 |
70–79 | −1.45 | −0.12 | −1.45 | −1.38 | −1.46 | −0.01 |
80–89 | −1.21 | −0.06 | −1.19 | −1.38 | −1.32 | −0.13 |