Table 3 Differences in frequencies of children in weight status categories by parental socio-economic status, controlling for age in the study birth cohorts
Birth cohort 1999–2000 (n = 544) | Birth cohort 2007–2008 (n = 1398) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Parental socio-economic status | ||||||||||
Lower | Lower middle | Middle | Upper middle | Upper | Lower | Lower middle | Middle | Upper middle | Upper | |
n = 9 | n = 103 | n = 208 | n = 173 | n = 51 | n = 49 | n = 382 | n = 627 | n = 279 | n = 61 | |
Underweight | 22.2 (2.8-60.0) | 5.8 (0.8-10.8) | 7.7 (3.8-11.5) | 6.9 (2.9-11.0) | 9.8 (3.3-21.4) | 36.7 (22.2-51.2) | 19.6 (15.5-23.7) | 21.0 (17.8-24.3) | 19.7 (14.9-24.6) | 11.5 (2.6-20.3) |
Normal weight | 22.2 (2.8-60.0) | 54.4 (44.3-64.5) | 59.1 (52.2-66.0) | 59.0 (51.3-66.6) | 56.8 (42.2-71.4) | 46.9 (31.9-61.9) | 58.1 (53.0-63.2) | 59.0 (55.1-62.9) | 62.4 (56.5-68.2) | 62.3 (49.3-75.3) |
Overweight | 33.3 (7.5-70.1) | 25.2 (16.4-34.1) | 25.5 (19.3-31.6) | 28.3 (21.3-35.3) | 19.6 (7.7-31.5) | 6.1 (1.3-16.9) | 13.1 (9.6-16.6) | 11.3 (8.8-13.9) | 11.8 (7.8-15.8) | 18.0 (7.6-28.5) |
Obesity | 22.2 (2.8-60.0) | 14.6 (7.3-21.9) | 7.7 (3.8-11.5) | 5.8 (2.0-9.5) | 13.7 (3.3-24.1) | 10.2 (3.4-22.2) | 9.2 (6.1-12.2) | 8.6 (6.3-10.9) | 6.1 (3.1-9.1) | 8.2 (2.7-18.1) |
Overweight/ obesity | 55.5 (21.2-86.3) | 39.8 (29.9-49.7) | 33.2 (26.5-39.8) | 34.1 (26.7-41.4) | 33.3 (19.4-47.2) | 16.3 (4.9-27.7) | 22.2 (17.9-26.5) | 19.9 (16.7-23.1) | 17.9 (13.2-22.6) | 26.2 (14.4-38.1) |
Ratio UW:OV/OB | 0.4 | 0.1 | 0.2 | 0.2 | 0.3 | 2.2 | 0.9 | 1.0 | 1.1 | 0.4 |