Table 1. Data structure information for each sample and outcome.

Sample		Full	Females	Males
Number of units at each level	Cohort (l)	91	89	85
	Age (k)	73	73	73
	Individuals (j)	69,071	37,022	31,914
	Observations (i)	406,238	223,366	182,171
Cohort range		1907–1997	1909–1997	1912–1997
Age range		18–90	18–90	18–90
Mean observations per person per cohort		1.4–13.4	1.4–14.5	1.3–13.1