Girls with height and weight records by school year and those within specified ranges of BMI
| School year | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986/87 | 1987/88 | 1988/89 | 1989/90 | 1990/91 | 1991/92 | 1992/93 | 1993/94 | 1994/95 | 1995/96 | 1996/97 | 1997/98 | 1998/99 | 1999/00 | 2000/01 | 2001/02 | |
| No. on system | 1549 | 1667 | 1412 | 1540 | 1138 | 1131 | 1186 | 1333 | 82 | 1917 | 1858 | 1759 | 1683 | 1740 | 1882 | 1958 |
| Records of sex, weight, and height (%) | 1517 (97.9) | 1628 (97.7) | 1336 (94.6) | 1448 (94.0) | 986 (86.6) | 1006 (88.9) | 1076 (90.7) | 1246 (93.5) | 42 (51.2) | 1886 (98.4) | 1832 (98.6) | 1733 (98.5) | 1657 (98.5) | 1714 (98.5) | 1715 (91.1) | 1724 (88.0) |
| Outside plausible range of BMI | 17 | 17 | 94 | 50 | 4 | 159 | 5 | 6 | 0 | 346 | 275 | 111 | 754 | 674 | 360 | 6 |
| No. of corrections made (see text) | 7 | 11 | 88 | 46 | 1 | 139 | 4 | 3 | 0 | 334 | 239 | 111 | 596 | 673 | 292 | 1 |
| No. (and %) with usable sex, height, and weight entries | 1507 (97.3) | 1622 (97.3) | 1330 (94.2) | 1444 (93.8) | 983 (86.3) | 986 (87.2) | 1075 (90.6) | 1243 (93.2) | 42 (51.2) | 1874 (97.7) | 1796 (96.7) | 1733 (98.5) | 1499 (89.1) | 1713 (98.4) | 1647 (87.5) | 1719 (87.8) |
| Mean age (years) | 5.1 | 5.1 | 5.0 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.1 | 5.2 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 |
| Mean height (cm) | 108.2 | 108.0 | 107.6 | 108.3 | 108.6 | 108.4 | 107.9 | 108.0 | 108.5 | 109.3 | 108.7 | 109.0 | 109.6 | 109.1 | 109.1 | 108.8 |
| Mean weight (kg) | 18.5 | 18.5 | 18.5 | 18.7 | 18.9 | 18.7 | 18.6 | 18.7 | 18.9 | 19.3 | 19.1 | 19.4 | 19.5 | 19.4 | 19.3 | 19.3 |
| Mean BMI (kg/m2) | 15.7 | 15.8 | 15.9 | 15.9 | 16.0 | 15.8 | 15.9 | 16.0 | 15.9 | 16.1 | 16.1 | 16.3 | 16.2 | 16.2 | 16.1 | 16.2 |