Table 1.

Summary of participant profiles.

Part. ID	Gender	Age in years; mean (SD), range	Occupation	Group number
#F1-#F8	2 Fa, Mb, 5 F	66.2 (7.7), 52-75	6-retired, aircrew, flight manager, administration	1
#F9-#F14	M, 2 F, 3 M	75.2 (7.9), 65-86	Retired	2
#F15-#F18	M, F, M, F	71.0 (3.7), 66-75	Retired	3
#F19-#F27	M, F, M, 2 F, M, 3 F	70.6 (9.6), 54-89	Retired	4
#F28-#F33	6 F	76.2 (6.4), 68-87	Retired	5

^aF: female.

^bM: male.