Table 1 Descriptive characteristics of participants, ELSA-Brasil baseline
Baseline characteristicsa | Overall (%)b | Race/skin colour (%)b | p Valuec | ||
|---|---|---|---|---|---|
White | Mixed-race | Black | |||
Total number of participants | 14 099 (100) | 7612 (53.99) | 4124 (29.25) | 2363 (16.76) | Â |
Demographic | |||||
 Age in years (n = 14 099) | |||||
  Mean (standard deviation) | 51.98 (9.06) | 52.48 (9.36) | 51.16 (8.65) | 51.81 (8.67) |  < 0.001 |
  Median (1st quartile—3rd quartile) | 51 (45—58) | 52 (45—59) | 51 (45—57) | 51 (45—58) |  |
 Age groups (n = 14 099) | |||||
  35–39 years | 1097 (7.78) | 583 (7.66) | 361 (8.75) | 153 (6.47) |  < 0.001 |
  40–44 years | 2052 (14.55) | 1091 (14.33) | 603 (14.62) | 358 (15.15) |  |
  45–49 years | 2949 (20.92) | 1498 (19.68) | 933 (22.62) | 518 (21.92) |  |
  50–54 years | 2644 (18.75) | 1347 (17.70) | 827 (20.05) | 470 (19.89) |  |
  55–59 years | 2376 (16.85) | 1290 (16.95) | 685 (16.61) | 401 (16.97) |  |
  60–64 years | 1532 (10.87) | 893 (11.73) | 385 (9.34) | 254 (10.75) |  |
  65–69 years | 886 (6.28) | 536 (7.04) | 221 (5.36) | 129 (5.46) |  |
  70 + years | 563 (3.99) | 374 (4.91) | 109 (2.64) | 80 (3.39) |  |
 Sex (n = 14 099) | |||||
  Male | 6441 (45.68) | 3520 (46.24) | 1995 (48.38) | 926 (39.19) |  < 0.001 |
  Female | 7658 (54.32) | 4092 (53.76) | 2129 (51.62) | 1437 (60.81) |  |
Socioeconomic position | |||||
 Education levels (n = 14 099) | |||||
  Complete higher education | 7381 (52.35) | 5091 (66.88) | 1653 (40.08) | 637 (26.96) |  < 0.001 |
  Complete high school | 4949 (35.10) | 1974 (25.93) | 1769 (42.90) | 1206 (51.04) |  |
  Complete elementary school | 962 (6.82) | 310 (4.07) | 361 (8.75) | 291 (12.31) |  |
  Up to incomplete elementary school | 807 (5.72) | 237 (3.11) | 341 (8.27) | 229 (9.69) |  |
 Per capita family income (n = 14 059) | |||||
  5th (> US$ 1315.66 and ≤ US$ 3946.99) | 2278 (16.20) | 1747 (23.00) | 375 (9.12) | 156 (6.63) |  < 0.001 |
  4th (> US$ 882.88 and ≤ US$ 1315.66) | 3176 (22.59) | 2213 (29.14) | 686 (16.69) | 277 (11.77) |  |
  3rd (> US$ 519.25 and ≤ US$ 882.88) | 2907 (20.68) | 1675 (22.05) | 849 (20.65) | 383 (16.28) |  |
  2nd (> US$ 311.58 and ≤ US$ 519.25) | 2860 (20.34) | 1143 (15.05) | 1059 (25.76) | 658 (27.96) |  |
  1st (≤ US$ 311.58) | 2838 (20.19) | 817 (10.76) | 1142 (27.78) | 879 (37.36) |  |
 Health insurance plans (n = 14 098) | |||||
  Yes | 9629 (68.30) | 5539 (72.78) | 2721 (65.98) | 1369 (57.93) |  < 0.001 |
  No | 4469 (31.70) | 2072 (27.22) | 1403 (34.02) | 994 (42.07) |  |
Behaviours | |||||
 Smoking (n = 14 098) | |||||
  Non-smoker | 8044 (57.06) | 4295 (56.42) | 2374 (57.58) | 1375 (58.19) |  < 0.001 |
  Former smoker | 4214 (29.89) | 2388 (31.37) | 1184 (28.72) | 642 (27.17) |  |
  Current smoker | 1840 (13.05) | 929 (12.20) | 565 (13.70) | 346 (14.64) |  |
 Hazardous drinking (n = 14 090) | |||||
  No | 13,032 (92.49) | 7074 (92.98) | 3785 (91.82) | 2173 (92.05) | 0.054 |
  Yes | 1058 (7.51) | 534 (7.02) | 337 (8.18) | 187 (7.92) |  |
 Physical activity (n = 13 899) | |||||
  Weak | 10,680 (76.84) | 5524 (73.82) | 3220 (79.10) | 1936 (82.56) |  < 0.001 |
  Moderate | 2232 (16.06) | 1362 (18.20) | 579 (14.22) | 291 (12.41) |  |
  Vigorous | 987 (7.10) | 597 (7.98) | 272 (6.68) | 118 (5.03) |  |