Mean height† in cm (n) for cohort members at ages 7, 11, 16, and 33 by social class in 1965
| Age | Social class | d (SE)* | |||
|---|---|---|---|---|---|
| I and II | IIINM | IIIM | IV and V | ||
| Mean (n) | Mean (n) | Mean (n) | Mean (n) | ||
| *Differences between classes I and II, and IV and V, and between all four social classes are significant for each sex at all ages (p<0.001). | |||||
| †Mean heights by social class at all ages were estimated from multilevel models. | |||||
| Boys | |||||
| 7 | 124.4 (1384) | 123.5 (675) | 122.5 (3145) | 121.5 (1690) | 2.9 (0.20) |
| 11 | 145.7 (1246) | 144.9 (630) | 143.6 (2864) | 142.4 (1547) | 3.3 (0.24) |
| 16 | 172.0 (1086) | 171.2 (566) | 169.8 (2433) | 168.7 (1291) | 3.2 (0.29) |
| 33 | 178.1 (1363) | 177.6 (687) | 176.5 (3040) | 175.7 (1656) | 2.4 (0.24) |
| Girls | |||||
| 7 | 123.4 (1290) | 122.9 (680) | 121.5 (2950) | 120.8 (1561) | 2.6 (0.22) |
| 11 | 146.4 (1197) | 146.0 (625) | 144.3 (2732) | 143.6 (1457) | 2.8 (0.28) |
| 16 | 162.5 (1034) | 162.3 (506) | 160.6 (2326) | 159.7 (1218) | 2.7 (0.22) |
| 33 | 164.0 (1390) | 163.8 (710) | 162.2 (3273) | 161.5 (1728) | 2.5 (0.23) |