Table 1.

Summary of general risk factors for childhood obesity

General risk factors	Relative risk
Birth weight (per 100 g)	1.1
Maternal smoking (over 20 cigarettes)	1.8
Parental obesity (body mass index >30 kg/cm2)	10.4
Catch-up growth	2.2
Catch-down growth	0.2
Early childhood weight (at 8 mo)	3.1
Adiposity rebound
Late (>61 mo)	1.0
Very early (<43 mo)	15.0

Data adapted from the study by Reilly et al. [40]