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The NSHAP prevalence of sexual activity Age (yrs) 57-64 65-74 75-85 Prevalence of sexual 73 53 26 activity, % Sex rated as not 15 25 41 important, % NSHAP = National Social Life, Health, and Aging Project.
NSHAP is a nationally representative probability sample of noninstitutionalized people ages 57 to 85 years, selected from households across the United States.
Through an innovative collaboration between NSHAP and HRS, the screening for both surveys was carried out as a single operation.
(For detailed information on NSHAP methodology, see O'Muircheartaigh et al., 2009, and Smith et al., 2009.)
NSHAP used a shortened version of one of the most widespread scales of loneliness: the Revised UCLA Loneliness Scale (R-UCLA) (Russell, Peplau, & Cutrona, 1980).
In NSHAP, as in MIDUS, factor analysis supported this solution (Walen & Lachman, 2000).
The complex sampling design used in NSHAP requires the use of weights in the analyses to provide unbiased estimates of the population.
The Cronbach's alpha for internal consistency was 0.80 for the entire NSHAP sample.
NSHAP participants were asked to complete a 7-item anxiety subscale of HADS (HADS-A) to indicate the frequency of feelings of anxious mood, thoughts, and restlessness over the past week on a 4-point Likert scale (see Table S1) One positively phrased statement was reverse coded.
NSHAP participants were matched to the grid (n = 894 in total) closest to their residential addresses.
We examined associations for [PM.sub.2.5] exposure windows averaged from previous 7 days, to up to 4 years prior to the interview date of NSHAP participants to study the impact of semi-acute and chronic [PM.sub.2.5] exposure for mental disorders, respectively.
National Social Life, Health, and Aging Project (NSHAP): Wave 2 and Partner Data Collection.
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