Table 1.

LLFS Participants’ Characteristics at Enrollment, Grouped by Generation and Family Roles

Participants	Total counts (M/F)	Age (Mean ± SD)	Gender	Age (Mean ± SD)	Range
Probands/Siblings	1,433 (686/747)	91.01±6.01	M	90.37±5.48	72–105
			F	91.59±6.41	72–110
Spouse of probands/siblings	187 (40/147)	83.84±7.19	M	85.88±6.57	64–98
			F	83.29±7.27	55–97
Offspring	2,423 (1,026/1,397)	61.14±8.28	M	61.06±8.27	31–86
			F	61.20±8.29	36–88
Spouse of offspring	796 (420/376)	61.59±8.71	M	63.82±8.14	39–89
			F	59.09±8.65	25–80