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. 2019 Aug 3;60(4):661–671. doi: 10.1093/geront/gnz103

Table 1.

Descriptive Statistics, National Study of Midlife Development in the United States, 1995–2014 (N = 6,016 Observations of 3,102 Individuals)

Wave 1 (n = 3,034) Wave 2 (n = 1,805) Wave 3 (n = 1,177)
Mean (SD), or % Mean (SD), or % Mean (SD), or %
Social integration 4.67 (1.45) 4.86 (1.33) 4.85 (1.33)
Perceived neighborhood quality 3.40 (0.54) 3.47 (0.52) 3.48 (0.52)
Daily discrimination 1.75 (0.72) 1.74 (0.67) 1.70 (0.68)
Experienced depression 13.78% 11.36% 10.20%
Age 47.06 (13.12) 56.85 (12.62) 64.72 (11.37)
Family support 1.58 (0.62) 1.50 (0.61) 1.52 (0.60)
Friend support 1.78 (0.68) 1.74 (0.67) 1.69 (0.63)
Years lived in neighborhood 14.28 (17.38) 16.82 (14.84) 20.78 (15.95)
Gender
 Female 51.52% 54.68% 53.27%
 Male 48.48% 45.32% 46.73%
Race
 White 85.23% 89.92% 91.33%
 Black 6.62% 5.43% 4.59%
 Other race 8.14% 4.65% 4.08%
Ethnicity
 Hispanic 3.54% 3.89% 3.66%
 Not Hispanic 96.46% 96.11% 96.34%
Education
 Less than high school 9.93% 7.10% 5.27%
 High school degree 29.29% 27.23% 24.83%
 Some college 31.20% 28.62% 29.59%
 College degree 16.99% 18.86% 20.75%
 Some education beyond college 12.60% 18.19% 19.56%
Marital status
 Married 64.04% 67.37% 63.83%
 Divorced/separated 18.46% 16.54% 16.68%
 Widowed 5.93% 8.60% 11.91%
 Never married 11.57% 7.49% 7.57%
Parental status
 Has children 82.43% 87.04% 87.26%
 No children 17.57% 12.96% 12.74%
Employment status
 Employed 59.49% 49.28% 47.75%
 Retired 15.72% 27.76% 29.12%
 Not employed 24.79% 22.97% 23.13%
Home ownership status
 Owns home outright 24.52% 36.19% 44.29%
 Paying on a mortgage 51.37% 51.40% 42.69%
 Rents home 24.11% 12.41% 13.02%
Incomea $14,609 ($7,050) $25,969 ($17,798) $25,234 ($21,161)
IADL 1.62 (0.81) 1.83 (0.90) 2.04 (0.98)
Self-rated health 3.45 (1.00) 3.50 (1.00) 3.38 (1.06)
Neuroticism 2.25 (0.66) 2.09 (0.63) 2.10 (0.63)

Notes: IADL = instrumental activities of daily living.

aIncome reported in U.S. dollars, calculated from the raw scores. Income was transformed into wave-specific standardized scores for analysis.