Table 2 Sociodemographic and health characteristics for those participating in the HUNT4 study who did not participate in Hjernetrim and those participating in both the HUNT4 study and Hjernetrim.

From: Participation and engagement in online cognitive testing

Variable [f (% of n)]

HUNT4

n = 61,419

Hjernetrim

n = 5634

Women

Men

Women

Men

Participants

33,138 (54.0%)

28,282 (46.0%)

3254 (57.8%)

2380 (42.2%)

Age groupa

13–19

4118 (12.4%)

4107 (14.5%)

312 (9.6%)

156 (6.6%)

20–29

3191 (9.6%)

2568 (9.1%)

352 (10.8%)

159 (6.7%)

30–39

3506 (10.6%)

2695 (9.5%)

389 (12.0%)

215 (9.0%)

40–49

4602 (13.9%)

3639 (12.9%)

508 (15.6%)

290 (12.2%)

50–59

5155 (15.6%)

4529 (16.0%)

674 (20.7%)

437 (18.4%)

60–69

5137 (15.5%)

4854 (17.2%)

631 (19.4%)

594 (25.0%)

70–79

4655 (14.0%)

4112 (14.5%)

353 (10.8%)

465 (19.5%)

80 + 

2774 (8.4%)

1778 (6.3%)

35 (1.1%)

64 (2.7%)

Education

Primary

5834 (18.3%)

4315 (15.7%)

231 (7.2%)

154 (6.5%)

Secondary

14,700 (46.0%)

15,231 (55.5%)

1217 (37.7%)

975 (41.3%)

Tertiary

11,408 (35.7%)

7921 (28.8%)

1778 (55.1%)

1231 (52.2%)

Living with a partner

19,795 (76.8%)

18,146 (82.4%)

18,146 (82.4%)

1742 (83.9%)

Occupationally active

15,760 (59.4%)

14,172 (63.5%)

1963 (69.9%)

1311 (63.5%)

Place of living: urban

18,937 (66.3%)

15,194 (64.6%)

2164 (73.4%)

1660 (74.6%)

Chronic illness or injury: no

15,213 (54.3%)

13,704 (57.9%)

1774 (61.0%)

1396 (63.4%)

Myocardial infarction: no

26,411 (97.8%)

21,462 (93.5%)

2850 (99.1%)

2042 (94.6%)

Diabetes: no

30,020 (95.0%)

25,386 (93.4%)

3075 (96.1%)

2183 (93.9%)

Stroke or brain haemorrhage: no

26,006 (96.8%)

21,810 (95.8%)

2806 (97.7%)

2053 (95.6%)

Cancer: no

24,864 (91.8%)

21,072 (91.8%)

2644 (91.9%)

1950 (90.6%)

Mental health problems: no

21,353 (79.0%)

20,114 (88.1%)

2174 (75.6%)

1838 (85.8%)

HADS < 12b

15,901 (71.5%)

12,678 (75.8%)

1968 (73.6%)

1501 (77.7%)

Motor impairment

No impairment

7784 (57.2%)

6923 (57.9%)

793 (65.1%)

448 (54.8%)

Slight

3494 (25.7%)

2975 (24.9%)

304 (25.0%)

243 (29.7%)

Moderate

1596 (11.7%)

1421 (11.9%)

98 (8.1%)

93 (11.4%)

Great

734 (5.4%)

631 (5.3%)

23 (1.9%)

34 (4.2%)

Vision impairment

No impairment

5830 (42.6%)

5822 (49.2%)

576 (47.4%)

366 (45.0%)

Slight

5484 (40.0%)

4393 (37.1%)

476 (39.2%)

361 (44.4%)

Moderate

1820 (13.3%)

1266 (10.7%)

125 (10.3%)

75 (9.2%)

Great

567 (4.1%)

346 (2.9%)

37 (3.1%)

12 (1.5%)

Hearing impairment

No impairment

8689 (63.2%)

6328 (52.2%)

829 (67.9%)

399 (47.8%)

Slight

3188 (23.2%)

3478 (28.7%)

274 (22.4%)

288 (34.5%)

Moderate

1171 (8.5%)

1533 (12.6%)

78 (6.4%)

98 (11.7%)

Great

707 (5.1%)

789 (6.5%)

40 (3.3%)

50 (6.0%)

Health

Poor

546 (1.72%)

434 (1.6%)

45 (1.4%)

28 (1.2%)

Not very good

7644 (24.1%)

5083 (18.6%)

583 (18.2%)

386 (16.5%)

Good

18,188 (57.4%)

16,682 (61.0%)

1868 (58.4%)

1394 (59.6%)

Very good

5336 (16.8%)

5163 (18.9%)

702 (22.0%)

532 (22.7%)

Any learning disabilities: no

2770 (75.1%)

2664 (73.8%)

232 (82.3%)

113 (81.3%)

Math disabilities: no

3178 (86.2%)

3204 (88.8%)

259 (91.8%)

130 (93.5%)

Reading/writing disabilities: no

3276 (88.9%)

3063 (84.9%)

257 (91.1%)

123 (88.5%)

Other disabilities: no

3407 (92.4%)

3380 (93.7%)

266 (94.3%)

134 (96.4%)

Memory

No problems

9222 (46.8%)

7198 (47.1%)

1140 (49.0%)

877 (49.2%)

Some problems

9917 (50.3%)

7683 (50.3%)

1139 (49.0%)

873 (49.0%)

Large problems

565 (2.9%)

393 (2.6%)

47 (2.0%)

32 (1.8%)

Lifestyle satisfaction

Very satisfied

2535 (9.1%)

2448 (10.4%)

286 (9.8%)

278 (12.6%)

Satisfied

19,482 (69.9%)

16,705 (71.1%)

2003 (68.4%)

1558 (70.9%)

Not very satisfied

5051 (18.1%)

3885 (16.5%)

549 (18.7%)

322 (14.6%)

Not satisfied

792 (2.8%)

473 (2.0%)

91 (3.1%)

40 (1.8%)

Smoking

Never smoked

13,229 (45.5%)

10,947 (44.0%)

1378 (46.1%)

981 (43.7%)

Ex occasional smoker

2951 (10.2%)

2749 (11.0%)

401 (13.4%)

268 (11.9%)

Ex daily smoker

9598 (33.0%)

8773 (35.3%)

980 (32.8%)

851 (37.9%)

Current occasional smoker

501 (1.7%)

703 (2.8%)

54 (1.8%)

43 (1.9%)

Current daily smoker

2767 (9.5%)

1714 (6.9%)

176 (5.9%)

102 (4.5%)

Current alcohol drinker

17,509 (78.5%)

14,707 (87.5%)

2287 (85.8%)

1753 (90.7%)

Computer familiarity [mean (SD)]c

4.4 (0.8)

4.4 (0.8)

  1. Results are provided as numbers and percentages.
  2. aMeasured at the invitation to Memoro.
  3. bHospital Anxiety and Depression Scale Total Score.
  4. cComputer familiarity was measured in Memoro participants only.