Table 1 Baseline characteristics of the study participants included in the analyses of the first objective (dataset 1) by body mass index categories and of the second objective (dataset 2)
Dataset 1, N (%) | Dataset 2, N (%) | ||||
|---|---|---|---|---|---|
Under and normal weight (BMI < 25) | Overweight (BMI ≥ 25 and < 30) | Obese (BMI ≥ 30) | BMI total | WC total | |
Characteristic | 1,436,991 (39.3) | 1,326,642 (36.3) | 894,784 (24.4) | 3,658,417 (100) | 291,305 (100) |
Follow-up (in years)a,b | 7.7 (4.4–10.6) | 8.5 (5.0–11.3) | 9.1 (5.6–11.8) | 8.3 (4.9–11.2) | 9.9 (6.9–11.9) |
Visits to health centerb,c | 5 (3–9) | 7 (4–12) | 8 (5–14) | 6 (3–11) | 10 (6–16) |
BMIb | 22.5 (20.8–23.8) | 27.3 (26.1–28.5) | 32.9 (31.2–35.6) | 26.3 (23.2–29.9) | 29.0 (25.9–32.5) |
WCb | – | – | – | – | 100 (91–108) |
Age (in years)b,d | 36 (27–50) | 51 (37–65) | 55 (42–66) | 46 (32–61) | 59 (46–71) |
Sex | |||||
Men | 527,253 (36.7) | 707,939 (53.4) | 394,948 (44.1) | 1,630,140 (44.6) | 137,298 (47.1) |
Women | 909,738 (63.3) | 618,703 (46.6) | 499,836 (55.9) | 2,028,277 (55.4) | 154,007 (52.9) |
MEDEA deprivation indexe | |||||
Quintile 1 | 226,165 (15.7) | 180,162 (13.6) | 98,899 (11.0) | 505,226 (13.8) | 32,542 (11.2) |
Quintile 2 | 208,133 (14.5) | 189,510 (14.3) | 119,236 (13.3) | 516,879 (14.2) | 39,826 (13.7) |
Quintile 3 | 198,978 (13.9) | 192,240 (14.5) | 131,763 (14.7) | 522,981 (14.3) | 40,019 (13.7) |
Quintile 4 | 193,565 (13.5) | 195,463 (14.7) | 142,024 (15.9) | 531,052 (14.5) | 41,767 (14.3) |
Quintile 5 | 190,155 (13.2) | 185,886 (14.0) | 144,632 (16.2) | 520,673 (14.2) | 34,249 (11.8) |
Rural | 263,435 (18.3) | 251,378 (18.9) | 169,075 (18.9) | 683,888 (18.7) | 73,535 (25.2) |
Missing | 156,560 (10.9) | 132,003 (10.0) | 89,155 (10.0) | 377,718 (10.3) | 29,367 (10.1) |
Nationality (geographic region) | |||||
Spain | 1,216,424 (84.6) | 1,169,166 (88.1) | 804,483 (89.9) | 3,190,073 (87.2) | 271,950 (93,3) |
Europe (non-Spanish) | 68,689 (4.8) | 36,592 (2.8) | 22,475 (2.5) | 127,756 (3.5) | 5560 (1.9) |
Africa | 15,968 (1.1) | 13,208 (1.0) | 6379 (0.7) | 34,655 (1.0) | 1019 (0.4) |
America | 75,117 (5.2) | 63,293 (4.8) | 37,867 (4.2) | 176,277 (4.8) | 7310 (2.5) |
Asia | 61,693 (4.3) | 44,383 (3.3) | 23,580 (2.7) | 129,656 (3.5) | 5466 (1.9) |
Smoking status | |||||
Never | 674,872 (46.9) | 688,304 (51.9) | 487,643 (54.5) | 1,850,819 (50.6) | 174,775 (60.0) |
Former | 113,105 (7.9) | 154,969 (11.7) | 106,333 (11.9) | 374,407 (10.2) | 33,958 (11.6) |
Current | 438,103 (30.5) | 308,376 (23.2) | 177,332 (19.8) | 923,811 (25.3) | 58,468 (20.1) |
Missing | 210,911 (14.7) | 174,993 (13.2) | 123,476 (13.8) | 509,380 (13.9) | 24,104 (8.3) |
Alcohol intake | |||||
None | 541,451 (37.7) | 464,399 (35.0) | 315,211 (35.2) | 1,321,061 (36.1) | 107,230 (36.8) |
Low | 340,721 (23.7) | 325,238 (24.5) | 173,382 (19.4) | 839,341 (22.9) | 60,568 (20.8) |
High | 25,114 (1.7) | 28,074 (2.1) | 19,043 (2.1) | 72,231 (2.0) | 7077 (2.4) |
Missing | 529,705 (36.9) | 508,931 (38.4) | 387,148 (43.3) | 1,425,784 (39.0) | 116,430 (40.0) |
Type 2 diabetes | 34,847 (2.4) | 109,302 (8.2) | 123,313 (13.8) | 267,426 (7.3) | 50,269 (17.3) |
Cause of end of follow-up | |||||
End of study | 1,170,596 (81.5) | 1,037,513 (78.2) | 683,190 (76.4) | 2,891,299 (79.0) | 207,329 (71.2) |
Cancerf | 47,609 (3.3) | 87,344 (6.6) | 67,875 (7.6) | 202,828 (5.6) | 27,837 (9.5) |
Death | 51,777 (3.6) | 82,920 (6.2) | 70,090 (7.8) | 204,787 (5.6) | 33,702 (11.6) |
Transferred-out | 167,009 (11.6) | 118,865 (9.0) | 73,629 (8.2) | 359,503 (9.8) | 22,437 (7.7) |