Variables | Total sample | Grade 1 thinness | Grade 2 thinness | Grade 3 thinness | Total thinness | ||||
---|---|---|---|---|---|---|---|---|---|
N | N | % | N | % | N | % | N | % | |
Number of siblings | |||||||||
 None (only child) | 49,097 | 4884 | 9.95 | 1469 | 2.99 | 993 | 2.02 | 7346 | 14.96 |
 One | 6852 | 784 | 11.44 | 258 | 3.77 | 204 | 2.98 | 1246 | 18.18 |
 Two or more | 11,625 | 1128 | 9.70 | 423 | 3.64 | 478 | 4.11 | 2029 | 17.45 |
 Total | 67,574 | 6796 | 10.06 | 2150 | 3.18 | 1675 | 2.48 | 10,621 | 15.72 |
Birth order | |||||||||
 Only child | 49,097 | 4884 | 9.95 | 1469 | 2.99 | 993 | 2.02 | 7346 | 14.96 |
 Oldest child | 7941 | 855 | 10.77 | 285 | 3.59 | 268 | 3.37 | 1408 | 17.73 |
 Middle | 6696 | 638 | 9.53 | 240 | 3.58 | 268 | 4.00 | 1146 | 17.11 |
 Youngest child | 3162 | 359 | 11.35 | 142 | 4.49 | 116 | 3.67 | 617 | 19.51 |
 Missing | 678 | 60 | 8.85 | 14 | 2.06 | 30 | 4.42 | 104 | 15.34 |
 Total | 67,574 | 6796 | 10.06 | 2150 | 3.18 | 1675 | 2.48 | 10,621 | 15.72 |
Number of younger siblings | |||||||||
 None (only child) | 49,097 | 4884 | 9.95 | 1469 | 2.99 | 993 | 2.02 | 7346 | 14.96 |
 One (oldest child) | 3691 | 421 | 11.41 | 119 | 3.22 | 90 | 2.44 | 630 | 17.07 |
 Two or more (oldest child) | 4250 | 434 | 10.21 | 166 | 3.91 | 178 | 4.19 | 778 | 18.31 |
 Total | 57,038 | 5739 | 10.06 | 1754 | 3.08 | 1261 | 2.21 | 8754 | 15.35 |
Number of older siblings | |||||||||
 None (only child) | 49,097 | 4884 | 9.95 | 1469 | 2.99 | 993 | 2.02 | 7346 | 14.96 |
 One (youngest child) | 2968 | 342 | 11.52 | 134 | 4.51 | 107 | 3.61 | 583 | 19.64 |
 Two or more (youngest child) | 194 | 17 | 8.76 | 8 | 4.12 | 9 | 4.64 | 34 | 17.53 |
 Total | 52,259 | 5243 | 10.03 | 1611 | 3.08 | 1109 | 2.12 | 7963 | 15.24 |