Table 1.
Childhood characteristics and obesity at age 33 years in complete sample and subsets used in analyses for tests at ages 7 and 11 years. Values are numbers (percentages)
| Characteristic | Obesity at age 33 years | ||
|---|---|---|---|
| Complete sample (n=11 042) | Age 7 year subset (n=7990) | Age 11 year subset (n=6875) | |
| Social class at birth: | |||
| I | 35/474 (7.4) | 21/355 (5.9) | 16/305 (5.2) |
| II | 92/1378 (6.7) | 72/1071 (6.7) | 59/937 (6.3) |
| III non-manual | 93/1030 (9.0) | 67/792 (8.5) | 59/693 (8.5) |
| III manual | 654/5074 (12.9) | 502/3930 (12.8) | 425/3380 (12.6) |
| IV | 174/1208 (14.4) | 127/892 (14.2) | 106/786 (13.5) |
| V | 113/836 (13.5) | 85/623 (13.6) | 66/503 (13.1) |
| Not assigned* | 104/1042 (10.0) | 38/327 (11.6) | 33/271 (12.2) |
| Sex: | |||
| Male | 595/5431 (11.0) | 425/3930 (10.8) | 352/3365 (10.5) |
| Female | 670/5611 (11.9) | 487/4060 (12.0) | 412/3510 (11.7) |
*Includes mothers without partners and those who were not working or whose employment could not be classified.