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. 2020 Nov 2;15(11):e0241599. doi: 10.1371/journal.pone.0241599

Table 1. Demographic characteristics of adult participants with subjective cognitive complaints.

Variables Levels N Subjective cognitive complaints (% with 95% CI) P-value
Yes (n = 92,437) No (n = 794,166)
Age (years) <.0001
18–34 139,837 11.41 (11.19, 11.65) 88.58 (88.52, 88.65)
35–64 425,582 11.57 (11.42, 11.73) 88.43 (88.38, 88.47)
65+ 310,652 9.63 (9.43, 9.83) 90.37 (90.34, 90.41)
Gender <.0001
Male 387,402 9.85 (9.69, 10.01) 90.15 (90.11, 90.20)
Female 498,914 12.24 (12.08, 12.40) 87.76 (87.71, 87.81)
Employment <.0001
Employed for wages 360,933 6.51 (6.37, 6.66) 93.49 (93.46, 93.52)
Self-employed 76,937 7.08 (6.77, 7.41) 92.92 (92.86, 92.97)
Out of work for 1 year or more 19,011 24.73 (23.94, 25.55) 75.27 (74.97, 75.57)
Out of work for less than 1 year 17,643 17.45 (16.76, 18.16) 82.55 (82.30, 82.80)
A homemaker 48,825 10.25 (9.85, 10.66) 89.75 (89.64, 89.86)
A student 23,400 10.52 (10.03, 11.04) 89.48 (89.35, 89.60)
Retired 268,501 9.23 (9.03, 9.43) 90.77 (90.74, 90.81)
Unable to work 65,524 45.94 (45.57, 46.31) 54.06 (53.76, 54.37)
Education <.0001
Did not graduate high school 65,410 21.30 (20.94, 21.66) 78.70 (78.52, 78.88)
Graduated high school 243,508 12.82 (12.62, 13.03) 87.18 (87.11, 87.24)
Attended college or technical school 245,050 10.72 (10.53, 10.91) 89.28 (89.23, 89.34)
Graduated from college or technical school 330,082 4.67 (4.57, 4.78) 95.33 (95.31, 95.34)
Income <.0001
Less than $10,000 36,270 28.41 (27.88, 28.94) 71.59 (71.29, 71.91)
$10,000 to $19,999 95,038 21.33 (21.02, 21.65) 78.67 (78.50, 78.83)
$20,000 to $34,999 149,290 13.66 (13.40, 13.94) 86.34 (86.25, 86.42)
$35,000 to $74,999 228,359 7.84 (7.66, 8.03) 92.16 (92.12, 92.20)
$75,000 or more 242,706 4.10 (3.94, 4.26) 95.90 (95.88, 95.92)
General Health <.0001
Excellent 149,126 3.58 (3.39, 3.78) 96.42 (96.40, 96.44)
Very good 289,663 5.32 (5.17, 5.47) 94.68 (94.66, 94.71)
Good 277,362 10.37 (10.18, 10.56) 89.63 (89.58, 89.68)
Fair 121,039 24.55 (24.24, 24.87) 75.45 (75.30, 75.60)
Poor 47,271 44.56 (44.08, 45.05) 55.44 (55.10, 55.78)
During the past 30 days, on how many days did you use cannabis? <.0001
Mean (95% CI) 167,037 2.75 (2.43, 3.08) 1.13 (1.06, 1.20)
Adults who reported having had at least one drink of alcohol in the past 30 days? <.0001
Yes 454,146 8.93 (8.79, 9.08) 91.07 (91.03, 91.10)
No 421,147 13.51 (13.33, 13.68) 86.49 (86.43, 86.55)
For how many days during the past 30 days was your mental health not good? <.0001
Mean (95% CI) 873,326 12.99 (12.82, 13.15) 2.76 (2.73, 2.79)
Smoking and Vaping Status <.0001
Dual users 15,868 27.53 (26.88, 28.21) 72.47 (72.04, 72.90)
Current smokers 114,390 20.37 (20.07, 20.67) 79.63 (79.51, 79.76)
Ex-smokers 244,610 11.00 (10.80, 11.21) 89.00 (88.95, 89.05)
Current vapers who were ex-smokers 8,808 18.68 (17.50, 19.94) 81.32 (81.07, 81.57)
Current vapers who never smoked 3,879 16.16 (14.81, 17.65) 83.84 (83.47, 84.21)
Never users 499,048 8.02 (7.88, 8.17) 91.98 (91.94, 92.02)