Table 1 Distribution of movement behaviours by demographic characteristics [Mean (SE)]
From: Device-measured movement behaviours in over 20,000 China Kadoorie Biobank participants
Variablesa | N (%) | Average acceleration (mg/d) | MVPAb (min/d) | LIPA (h/d) | Sedentary (h/d) | Sleep (h/d) |
|---|---|---|---|---|---|---|
Agec | ||||||
 40–49 | 381 (1.9) | 36.8 (0.55) | 122.0 (0.04) | 5.7 (0.10) | 8.2 (0.13) | 7.6 (0.07) |
 50–59 | 6346 (31.2) | 35.9 (0.13) | 112.9 (0.01) | 6.0 (0.02) | 8.1 (0.03) | 7.6 (0.02) |
 60–69 | 7225 (35.5) | 31.9 (0.13) | 84.4 (0.01) | 6.0 (0.02) | 8.5 (0.03) | 7.7 (0.02) |
 70–79 | 5143 (25.2) | 26.4 (0.15) | 49.5 (0.01) | 5.4 (0.03) | 9.5 (0.04) | 7.9 (0.02) |
 80- | 1275 (6.3) | 19.6 (0.30) | 20.1 (0.02) | 4.4 (0.05) | 10.9 (0.07) | 8.1 (0.04) |
Sex | ||||||
 Men | 7079 (34.8) | 28.8 (0.13) | 67.0 (0.01) | 5.0 (0.02) | 9.6 (0.03) | 7.8 (0.02) |
 Women | 13291 (65.2) | 32.3 (0.09) | 78.8 (0.01) | 6.1 (0.02) | 8.3 (0.02) | 7.7 (0.01) |
Marital Status | ||||||
 Married | 16721 (82.1) | 31.3 (0.08) | 75.8 (0.01) | 5.8 (0.02) | 8.7 (0.02) | 7.7 (0.01) |
 Others | 3649 (17.9) | 30.2 (0.18) | 68.7 (0.01) | 5.5 (0.03) | 9.1 (0.04) | 7.8 (0.02) |
Education | ||||||
 Primary school or below | 10371 (50.9) | 31.6 (0.12) | 75.9 (0.01) | 5.9 (0.02) | 8.5 (0.03) | 7.8 (0.02) |
 Middle school | 9071 (44.5) | 30.7 (0.12) | 73.2 (0.01) | 5.7 (0.02) | 9.0 (0.03) | 7.7 (0.02) |
 College or above | 928 (4.6) | 29.6 (0.38) | 71.5 (0.03) | 5.2 (0.07) | 9.5 (0.09) | 7.7 (0.05) |
Household Income Level (yuan/year) | ||||||
  < 20,000 | 3141 (15.4) | 30.9 (0.20) | 72.3 (0.02) | 5.7 (0.04) | 8.8 (0.05) | 7.8 (0.03) |
 20,000–75000 | 9022 (44.3) | 31.1 (0.11) | 74.1 (0.01) | 5.7 (0.02) | 8.8 (0.03) | 7.7 (0.01) |
  > 75,000 | 8207 (40.3) | 31.1 (0.13) | 75.8 (0.01) | 5.8 (0.02) | 8.8 (0.03) | 7.7 (0.02) |
Occupation | ||||||
 Farmers | 2542 (12.5) | 36.2 (0.24) | 108.9 (0.02) | 6.3 (0.04) | 7.7 (0.06) | 7.7 (0.03) |
 Factory worker | 1520 (7.5) | 35.8 (0.29) | 94.8 (0.02) | 6.4 (0.05) | 7.6 (0.07) | 7.6 (0.04) |
 Office workers | 651 (3.2) | 28.6 (0.42) | 63.8 (0.03) | 5.1 (0.08) | 9.7 (0.10) | 7.6 (0.06) |
 Retired | 6751 (33.1) | 29.2 (0.18) | 65.9 (0.01) | 5.4 (0.03) | 9.3 (0.04) | 7.7 (0.02) |
 House wife/husband | 6198 (30.4) | 30.2 (0.16) | 72.6 (0.01) | 5.7 (0.03) | 8.8 (0.04) | 7.9 (0.02) |
 Service workers/Self-employed | 1695 (8.3) | 32.8 (0.27) | 82.9 (0.02) | 6.1 (0.05) | 8.3 (0.06) | 7.7 (0.04) |
 Unemployed & others | 1013 (5.0) | 27.9 (0.34) | 48.6 (0.03) | 5.0 (0.06) | 9.7 (0.08) | 7.8 (0.04) |
BMI (kg/m2)c | ||||||
  < 18.5 | 623 (3.1) | 31.6 (0.42) | 71.5 (0.03) | 5.6 (0.08) | 8.6 (0.10) | 7.9 (0.06) |
 18.5–23.9 | 8589 (42.2) | 32.3 (0.11) | 81.1 (0.01) | 5.8 (0.02) | 8.4 (0.03) | 7.8 (0.02) |
 24–27.9 | 8042 (39.5) | 30.8 (0.12) | 74.0 (0.01) | 5.7 (0.02) | 8.8 (0.03) | 7.7 (0.02) |
  ≥ 28 | 3106 (15.3) | 28.5 (0.19) | 60.4 (0.01) | 5.4 (0.04) | 9.6 (0.05) | 7.5 (0.03) |