. 2014 Oct 29;69(Suppl 2):S99–S116. doi: 10.1093/geronb/gbu100

Table 8.

Mode of Administration and Completion Rates (in Parentheses) of NSHAP’s Mental Health Measures in Waves 1 and 2

Mental health measure	Wave 1 mode		Wave 2 mode
Mental health measure	In-person interview	Leave-behind questionnaire^a	In-person interview	Leave-behind questionnaire^a
Depressive symptoms	100% (98%)	0%	100% (99%)	0%
Unhappiness	100% (100%)	0%	100% (100%)	0%
Anxiety symptoms^b	67% (67%)	33% (27%, 25%)	0%	100% (87%, 78%)
Perceived stress^b	67% (66%)	33% (27%, 26%)	0%	100% (87%, 80%)
Felt loneliness	0%	100% (84%, 79%)	0%	100% (87%, 80%)

Notes. NSHAP = National Social Life, Health, and Aging Project.

^a% returned leave-behind questionnaire, % completed mental health measure.

^bIn-person interview respondents completed Module A only; leave-behind questionnaire respondents received Version 2 only.