Table 1.
Distribution of socio-demographic and individual characteristics among participants of the FRiCaM cohort study (ATS Milan 2019).
| Smokers | Non-smokers | OR | <10 pack/year | 10-19 pack/year | 20-29 pack/year | ≥30 pack/year | Χ2 | |
|---|---|---|---|---|---|---|---|---|
| Age | ||||||||
| <50 | 1041 (6.5%) | 2384 (4%) | 1* | 175 (8%) | 335 (8.4%) | 207 (6.1%) | 204 (4.5%) | <0.0001 |
| 50-54 | 3496 (21.6%) | 8444 (14.3%) | 1.06 | 568 (26%) | 1001 (25.3%) | 701 (20.6%) | 843 (18.6%) | |
| 55-59 | 4304 (26.7%) | 12362 (20.9%) | 1.25 | 595 (27.2%) | 1079 (27.2%) | 868 (25.5%) | 1205 (26.5%) | |
| 60-64 | 3478 (21.5%) | 12875 (21.8%) | 1.62 | 402 (18.4%) | 725 (18.3%) | 797 (23.4%) | 1116 (24.6%) | |
| 65-69 | 2495 (15.5%) | 13879 (23.4%) | 2.43 | 318 (14.5%) | 530 (13.4%) | 522 (15.4%) | 779 (17.1%) | |
| ≥70 | 1330 (8.2%) | 9236 (15.6%) | 3.03 | 129 (5.9%) | 293 (7.4%) | 306 (9%) | 395 (8.7%) | |
| Mean | 58.2 (44-75) | 60.8 (41-76) | ||||||
| Total | 16144 | 59180 | 2187 (15.5%) | 3963 (28.1) | 3401 (24.2%) | 4542 (32.2%) | ||
| Year of enrolment | <0.0001 | |||||||
| 2003 | 3696 (22.9 %) | 13866 (23.4 %) | 1* | 524 (24%) | 933 (23.5%) | 800 (23.5%) | 1014 (22.3%) | |
| 2004 | 7225 (44.7 %) | 27034 (45.7 %) | 1.02 | 1007 (46%) | 1732 (43.7%) | 1478(43.5%) | 2064 (45.4%) | |
| 2005 | 4615 (28.7 %) | 16469 (27.8 %) | 1.02 | 570 (26%) | 1118 (28.2%) | 1007(29.6%) | 1307(28.8%) | |
| 2006 | 510 (3.1%) | 1472 (2.5%) | 1.01 | 68 (3.2%) | 152 (3.9%) | 97 (2.8%) | 131 (2.9%) | |
| 2007 | 98 (0.6%) | 339 (0.6%) | 1.06 | 18 (0.8%) | 28 (0.7%) | 19 (0.6%) | 26 (0.6%) | |
| Education1 | <0.0001 | |||||||
| Primary school | 2712 (16.9 %) | 12721 (21.7 %) | 1.04 | 311 (14.3%) | 603 (15.3%) | 569 (16.9%) | 717 (15.9%) | |
| Secondary school | 10685 (66.7 %) | 37124 (63.2 %) | 0.92 | 1361 (62.4%) | 2631 (66.9%) | 2265 (66.9%) | 3123 (69.4%) | |
| University | 2629 (16.4 %) | 8870 (15.1 %) | 1* | 509 (23.3%) | 702 (17.8%) | 549 (16.2%) | 663 (14.7%) | |
| Work Activity | ||||||||
| Manager/Professional/Teacher | 3228 (20.7 %) | 10941 (19.1 %) | 1* | 564 (26.5%) | 849 (22%) | 673 (20.4%) | 878 (19.9%) | |
| Employee/merchant/artisan | 6827 (43.7 %) | 22370 (39 %) | 0.90 | 903 (42.4%) | 1673 (43.4%) | 1444 (43.7%) | 2024 (45.8%) | <.0001 |
| Clerk/technician | 670 (4.3 %) | 2298 (4 %) | 0.87 | 79 (3.7%) | 200 (5.2%) | 123 (3.7%) | 178 (4%) | |
| Skilled worker | 747 (4.8%) | 2987 (5.2 %) | 0.96 | 88 (4.1%) | 171 (4.4%) | 165 (5%) | 202 (4.6%) | |
| Worker | 1068 (6.8%) | 4218 (7.3 %) | 0.98 | 103 (4.8%) | 242 (6.3%) | 223 (6.7%) | 285 (6.5%) | |
| Housewife | 2979 (19.1%) | 14178 (24.7 %) | 1.13 | 380 (17.9%) | 696 (18.1%) | 655 (19.9%) | 816 (18.5%) | |
| Never worked | 99 (0.6%) | 404 (0.7 %) | 0.94 | 12 (0.6%) | 22 (0.6%) | 19 (0.6%) | 33 (0.7%) | |
| Marital status1 | <.0001 | |||||||
| Married/cohabitant | 9882 (63%) | 41048 (71.3%) | 1* | 1427 (66.8%) | 2600 (67.2%) | 2110 (63.6%) | 2558 (57.9%) | |
| Separated/divorced | 1587 (10.1%) | 4652 (8.1%) | 0.70 | 192 (9%) | 333 (8.6%) | 356 (10.7%) | 514 (11.6%) | |
| Widow | 2344 (14.9%) | 4230 (7.4%) | 0.47 | 289 (13.5%) | 522 (13.6%) | 471 (14.2%) | 774 (17.5%) | |
| Never married | 1885 (12%) | 7629 (13.2%) | 0.73 | 229 (10.7%) | 411 (10.6%) | 383 (11.5%) | 574 (13%) | |
| Age at menarche (years)2 | <.0001 | |||||||
| ≤11 | 4258 (27 %) | 13674 (23.7 %) | 1* | 528 (24.5%) | 1049 (26.9%) | 909 (27.4%) | 1238 (28%) | |
| 12-13 | 7728 (49 %) | 28791 (49.8 %) | 1.12 | 1135 (52.8%) | 1911 (49%) | 1627 (49%) | 2133 (48.2%) | |
| ≥14 | 3788 (24 %) | 15288 (26.5%) | 1.10 | 489 (22.7%) | 941 (24.1%) | 783 (23.6%) | 1055 (23.8%) | |
| Age at first live birth (years)2 | <.0001 | |||||||
| Nulliparous | 2924 (18.7%) | 8762 (15.3%) | ||||||
| ≤20 | 1462 (9.4 %) | 3632 (6.3%) | 1* | 140 (8.1%) | 318 (10%) | 282 (10.6%) | 478 (13.8%) | |
| 21-24 | 3674 (23.6%) | 13394 23.3%) | 1.36 | 445 (25.7%) | 937 (29.5%) | 737 (27.9%) | 1018 (29.3%) | |
| 25-29 | 4798 (30.8%) | 20661 (36%) | 1.51 | 736 (42.4%) | 1205 (37.9%) | 1080 (40.8%) | 1246 (35.9%) | |
| ≥30 | 2737 (17.5%) | 10962 (19.1%) | 1.46 | 413 (23.8%) | 716 (22.6%) | 547 (20.7%) | 729 (21%) | |
| Menopausal status | <.0001 | |||||||
| Pre-menopause | 2771 (18.5 %) | 8227 (15.2 %) | 1* | 516 (24.9%) | 821 (22.2%) | 565 (17.7%) | 571 (13.4%) | |
| Post-menopause | 12228(81.5 %) | 45983 (84.8 %) | 0.73 | 1559 (75.1%) | 2883 (77.8%) | 2633 (82.3%) | 3688 (86.6%) | |
| BMI | ||||||||
| <18.5 | 977 (6.3%) | 1936 (3.4%) | 0.63 | 131 (6.2%) | 2441 (63.8%) | 200 (6.1%) | 280 (6.4%) | <.0001 |
| 18.5-24.9 | 9521 (61.5%) | 30372 (54%) | 1* | 1362 (64.5%) | 242 (6.3%) | 2063 (63.1%) | 2535 (58.2%) | |
| 25-29.9 | 3939 (25.5%) | 18152 (32.3%) | 1.36 | 494 (23.4%) | 922 (24%) | 816 (25%) | 1165 (26.7%) | |
| ≥30 | 1036 (6.7%) | 5721 (10.2%) | 1.65 | 125 (5.9%) | 223 (5.8%) | 189 (5.8%) | 380 (8.7%) | |
| Mean | 23.5 (DS=4.1) | 24.6 (DS=4.4) | ||||||
| Total | 16144 | 59180 |