Table 5. Age trends in obesity prevalence by birth cohort for females (1971-2006) (% (standard error)).

	2-9 y		10-19 y		20 – 29 y		30 - 39 y		40 - 49 y		50 - 59 y		60 - 69 y		70 - 79 y
1996 – 2005	10.6%	(0.9%)
1986 – 1995	13.2%	(1.3%)	17.9%	(1.0%)
1976 – 1985	12.6%	(1.6%)	14.2%	(1.0%)	23.8%	(1.6%)
1966 – 1975	5.7%	(0.7%)	9.1%	(1.1%)	24.8%	(2.1%)	31.7%	(2.1%)
1956 – 1965	5.8%	(1.3%)	6.2%	(0.5%)	11.6%	(1.4%)	30.2%	(2.0%)	37.4%	(1.8%)
1946 – 1955			6.2%	(1.7%)	8.7%	(0.7%)	23.4%	(2.2%)	33.6%	(2.4%)	37.4%	(1.9%)
1936 – 1945					10.4%	(1.9%)	15.1%	(0.9%)	25.3%	(2.1%)	42.2%	(2.3%)	40.4%	(2.0%)
1926 – 1935							17.0%	(2.4%)	18.0%	(1.2%)	28.4%	(2.0%)	36.8%	(2.1%)	32.8%	(2.4%)