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. 2021 Mar 17;190(9):1735–1743. doi: 10.1093/aje/kwab067

Table 1. Sample Descriptive Statistics of Participants (n = 2,851) by Race, Midlife in the United States Study, 1995–2016.

Variable Total Sample (n = 2,851) % Missing Data White (n = 2,622) Black (n = 229) T or Χ 2  (P Value)
Range Mean (SD) a No. Mean (SD) No. Mean (SD) No.
Flourishing (standardized) −12.84, 5.31 0.01 (2.38) 2,851 0 0.10 (2.25) 2,622 0.002 (2.39) 229 <0.001
Demographic Covariates
 Age 21–75 48.11 (13.08) 2,821 <1 48.24 (13.13) 2,601 46.25 (12.55) 220 <0.001
 Sex (Male = 1; referent) 0.48 1,371 0 0.49 1,284 0.38 87 <0.01
Adulthood Achieved Characteristics
 Married 0.64 1825 <1 0.66 1723 0.48 (102) 102 <0.001
 Education <1
   < High school 0.09 264 0.09 228 0.17 (36) 36 <0.001
  High school or equivalent 0.30 828 0.29 770 0.27 (58) 58
  Some college education 0.31 891 0.31 822 0.33 (69) 69
  University degree or higher 0.30 851 0.31 802 0.23 (49) 49
 Household Income, quintiles, USD 3.3
  1 (0–22,500) 0.20 536 0.18 448 0.44 (88) 88 <0.001
  2 (22,501–40,500) 0.20 557 0.20 524 0.16 (33) 33
  3 (40,501–64,500) 0.20 551 0.21 526 0.12 (25) 25
  4 (64,501–111,500) 0.20 554 0.21 528 0.13 (26) 26
  5 (111,501–≥300,000) 0.20 564 0.21 535 0.14 (29) 29
 Health conditions
  Cancer 0.01 27 <1 0.05 26 0.07 1 0.46
  Heart problems 0.13 348 <1 0.13 327 0.10 21 0.26
  Lung problems 0.15 430 <1 0.15 401 0.14 29 0.63
  Diabetes 0.06 149 <1 0.05 130 0.09 19 0.01
  Stroke 0.01 29 <1 0.01 26 0.01 3 0.54
 BMI <1
  Underweight 0.02 60 0.02 59 0.01 10 <0.001
  Normal weight 0.37 1,052 0.38 998 0.25 44
  Overweight 0.35 1,001 0.35 927 0.35 74
  Obese class I 0.14 397 0.14 359 0.18 38
  Obese class II 0.04 127 0.04 113 0.06 14
  Obese class III 0.07 197 0.06 166 0.14 31
 Health behaviors
  Former smoker 0.31 877 <1 0.31 820 0.27 57 0.18
  Current smoker 0.23 646 <1 0.23 606 0.19 40 0.04
  Exercise frequency 0–27 14.61 (8.72) 2,842 <1 15.23 (8.66) 2,622 11.58 (8.47) 220 <0.001
 Sleep problems 1.8 0.09
  Not at all 0.47 1,323 0.47 1,207 0.56 116
  Once a month 0.14 404 0.15 380 0.12 24
  Several times a month 0.15 415 0.15 386 0.14 29
  Once a week 0.05 151 0.06 146 0.02 5
  Several times a week 0.11 316 0.11 297 0.09 19
  Almost every day 0.07 192 0.07 178 0.07 14

Abbreviations: BMI, body mass index; SD, standard deviation.

a Values are expressed as standard deviations.