Table 1.

Distribution of participants by age and sex (n = 1,095).

	<55		55–60		61–65		66–70		>70		Total
	N	${\overline{\text{X}}}_{age}$	N	${\overline{\text{X}}}_{age}$	N	${\overline{\text{X}}}_{age}$	N	${\overline{\text{X}}}_{age}$	N	${\overline{\text{X}}}_{age}$
Male	176	34	59	58	77	63	75	68	52	76	439
Females	322	33	79	58	100	63	88	68	67	75	656
Total	498		138		177		163		119		1,095