Table 2 Demographic details
Characteristics | Controlc (No. of trials m = 14; No. of participants n = 3573) | Interventiond (No. of trials m = 19; No. of participants n = 5755) | All (No. of trials m = 19; No. of participants n = 9328) | |||
|---|---|---|---|---|---|---|
Demographics | ||||||
 Age, years | ||||||
  No. of trials, m: no. of participants, n | 14 | 3573 | 19 | 5753 | 19 | 9326 |
  Mean (SD) | 50.13 | (13.77) | 48.18 | (13.9) | 48.92 | (13.88) |
 Sex | ||||||
  No. of trials, m | 14 |  | 19 |  | 19 |  |
  Female (%) | 2053 | (57.47) | 3296 | (57.28) | 5349 | (57.36) |
  Male (%) | 1519 | (42.53) | 2458 | (42.72) | 3977 | (42.64) |
 Ethnicity | ||||||
  No. of trials, m | 4 |  | 5 |  | 5 |  |
  White (%) | 478 | (89.35) | 891 | (88.66) | 1369 | (88.9) |
  Mixed (%) | 3 | (0.56) | 4 | (0.40) | 7 | (0.45) |
  Black (%) | 21 | (3.93) | 26 | (2.59) | 47 | (3.05) |
  Asian (Indian, Pakistani, Bangladeshi, others) (%) | 17 | (3.18) | 44 | (4.38) | 61 | (3.96) |
  Chinese (%) | 1 | (0.19) | 2 | (0.20) | 3 | (0.19) |
  Others (%) | 15 | (2.80) | 38 | (3.78) | 53 | (3.44) |
 Smoking status | ||||||
  No. of trials, m | 2 |  | 6 |  | 6 |  |
  No (%) | 123 | (74.10) | 763 | (64.39) | 886 | (65.58) |
  Yes (%) | 43 | (25.90) | 422 | (35.61) | 465 | (34.42) |
 Employment status | ||||||
  No. of trials, m | 7 |  | 11 |  | 11 |  |
  Full time employment (%) | 489 | (53.80) | 1256 | (49.68) | 1745 | (50.77) |
  Part time employment (%) | 190 | (20.90) | 442 | (17.48) | 632 | (18.39) |
  No employment (%) | 230 | (25.30) | 830 | (32.83) | 1060 | (30.84) |
 BMI | ||||||
  No. of trials, m: no. of participants, n | 2 | 915 | 5 | 1189 | 5 | 2104 |
  Mean (SD) | 26.44 | (4.60) | 1189 | (26.67) | 26.57 | (4.73) |