Table 1 Baseline characteristics of the study participants
From: Accelerometer-derived “weekend warrior” physical activity, sedentary behavior, and risk of dementia
Average sedentary time | Inactive pattern | Regular pattern | WW pattern | |||
|---|---|---|---|---|---|---|
≥ 8.85 h/day (n = 21,909) | < 8.85 h/day (n = 9,155) | ≥ 8.85 h/day (n = 19,055) | < 8.85 h/day (n = 15,311) | ≥ 8.85 h/day (n = 16,149) | < 8.85 h/day (n = 10,369) | |
Participants’ characteristics | ||||||
Age, median (IQR), y | 64.2 [56.8;69.2] | 64.0 [57.0;68.6] | 61.6 [54.4;67.3] | 62.5 [55.7;67.4] | 62.6 [55.3;67.8] | 63.1 [56.3;67.8] |
Sex, n (%) | ||||||
Female | 13,664 (62.4) | 7150 (78.1) | 8320 (43.7) | 9220 (60.2) | 7159 (44.3) | 6440 (62.1) |
Male | 8245 (37.6) | 2005 (21.9) | 10,735 (56.3) | 6091 (39.8) | 8990 (55.7) | 3929 (37.9) |
Townsend deprivation index, median (IQR) | -2.4 [-3.8; -0.2] | -2.6 [-3.9; -0.6] | -2.1 [-3.6; 0.5] | -2.4 [-3.8; -0.1] | -2.6 [-3.9; -0.5] | -2.7 [-4.0; -0.7] |
Ethnic type, n (%) | ||||||
White | 21,148 (96.5) | 8813 (96.3) | 18,409 (96.6) | 14,849 (97) | 15,767 (97.6) | 10,082 (97.2) |
Black | 232 (1.1) | 97 (1.1) | 166 (0.9) | 103 (0.7) | 106 (0.7) | 79 (0.8) |
Asian | 301 (1.4) | 135 (1.5) | 219 (1.6) | 159 (1) | 142 (0.9) | 103 (1) |
Other ethnic group | 228 (1.0) | 110 (1.2) | 261 (1.4) | 200 (1.3) | 134 (0.8) | 105 (1) |
Educational attainment, median (IQR) | 18.0 [16.0;20.0] | 17.0 [16.0;20.0] | 20.0 [17.0;20.0] | 20.0 [16.0;20.0] | 20.0 [17.0;20.0] | 18.0 [16.0;20.0] |
Employment status, n (%) | ||||||
Paid employment or self-employed | 846 (3.9) | 295 (3.2) | 698 (3.7) | 483 (3.2) | 682 (4.2) | 384 (3.7) |
Retired or unemployed | 21,063 (96.1) | 8860 (96.8) | 18,357 (96.3) | 14,828 (96.8) | 15,467 (95.8) | 9985 (96.3) |
Smoking status, n (%) | ||||||
Never | 11,800 (53.9) | 5275 (57.6) | 11,053 (58.0) | 8959 (58.5) | 9467 (58.6) | 6120 (59) |
Previous | 8162 (37.3) | 3173 (34.7) | 6808 (35.7) | 5527 (36.1) | 5778 (35.8) | 3696 (35.6) |
Current | 1947 (8.9) | 707 (7.7) | 1194 (6.3) | 825 (5.4) | 904 (5.6) | 553 (5.3) |
Alcohol status, n (%) | ||||||
Low frequency | 4372 (20.0) | 1941 (21.2) | 2349 (12.3) | 2234 (14.6) | 1757 (10.9) | 1482 (14.3) |
moderate frequency | 8370 (38.2) | 3483 (38.0) | 6473 (34.0) | 5390 (35.2) | 5806 (36) | 3748 (36.1) |
high frequency | 9167 (41.8) | 3731 (40.8) | 10,233 (53.7) | 7687 (50.2) | 8586 (53.2) | 5139 (49.6) |
BMI, mg/m2, median (IQR) | 27.7 [24.8;31.3] | 26.2 [23.6;29.4] | 25.8 [23.5;28.5] | 24.8 [22.7, 27.3] | 26.2 [23.9, 28.9] | 25.2 [23.0, 27.6] |
Hypertension, n (%) | 7071 (32.3) | 2467 (26.9) | 4371 (22.9) | 2998 (19.6) | 3797 (23.5) | 2114 (20.4) |
Diabetes, n (%) | 1404 (6.4) | 319 (3.5) | 579 (3) | 304 (2) | 461 (2.9) | 205 (2) |
Cardiovascular disease, n (%) | 1337 (6.1) | 411 (4.5) | 697 (3.7) | 413 (2.7) | 603 (3.7) | 307 (3) |