Table 1.

Distribution of the study population.

Participant Group	Number of Participants			Number of Focus Group Interviews within the Group	Number of Individual Interviews within the Group
	Total	Women	Men
Employees 55–72 years	87	42	45	14	22
First line managers	45	26	19	8	12
Trade union employees (two of whom were also safety delegates)	6	2	4	3
Human resources personnel	7	3	4	3
Total	145	73	72	28	34