Table 3.

Risk factors, duration of the association, and exposure in the dyad

	1942–1993 N (%)	1993–2005 N (%)
Dyad Risk Factors	61 (100)	42 (100)
N (%)	Social Isolation: 53 (84)	Social Isolation 27 (64.3)
	Others in the secondaries: NS	Others in the secondaries:
		Secondary passive 5 (5.9)
		Cognitive impairment 3 (3.5)
		Language difficulties 1 (1.2)
		Life events 1 (1.2)
Duration of the association (Months)	47 (77.0)	32 (52.4)
Mean (SD), Range	NS (NS) 3–948	30.7 (19.07), 0.5–81.00
Duration of the exposure (Months)	NS	35 (57.4)
N (%)	NS	72.98 (86.46), 0.00–336.00

NS: Not stated