Table 1.
Baseline characteristics from the Västerbotten Intervention Program cohort between 1989 and 2013 with 3080 groin hernia repairs added from Swedish Hernia Register
| Men n = 48,662 | Women n = 52,079 | |||||||
|---|---|---|---|---|---|---|---|---|
| None-GHR | GHR | Total | p | None-GHR | GHR | Total | p | |
| n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |||
| Smoking | ||||||||
| Never smoked | 23,221 (51.2) | 912 (47.7) | 24,133 (51.1) | 0.001 | 25,933 (50.9) | 78 (49.4) | 26,011 (50.9) | 0.305 |
| Previous use | 14,972 (33.0) | 718 (37.5) | 15,690 (33.2) | 15,605 (30.6) | 42 (26.6) | 15,647 (30.6) | ||
| Light smoker | 5238 (11.6) | 211 (11.0) | 5449 (11.5) | 7839 (15.4) | 32 (20.3) | 7871 (15.4) | ||
| Heavy smoker | 1911 (4.2) | 72 (3.8) | 1983 (4.2) | 1555 (3.1) | 6 (3.8) | 1561 (3.1) | ||
| Snus | ||||||||
| Never used | 25,802 (56.8) | 1212 (63.2) | 27,014 (57) | <0.001 | 44,010 (87.8) | 145 (94.8) | 44,155 (87.8) | 0.069 |
| Previous use | 7835 (17.2) | 308 (16.1) | 8143 (17.2) | 2500 (5.0) | 4 (2.6) | 2504 (5.0) | ||
| Light use | 8522 (18.7) | 314 (16.4) | 8836 (18.7) | 2840 (5.7) | 3 (2.0) | 2843 (5.7) | ||
| Heavy use | 3294 (7.2) | 83 (4.3) | 3377 (7.1) | 792 (1.6) | 1 (0.7) | 793 (1.6) | ||
| BMI | ||||||||
| BMI <25 | 14,886 (32.6) | 846 (43.8) | 15,732 (33) | <0.001 | 24,511 (48.1) | 97 (60.2) | 24,608 (48.1) | 0.008 |
| BMI 25–29.9 | 22,597 (49.4) | 960 (49.7) | 23,557 (49.5) | 17,369 (34.1) | 44 (27.3) | 17,413 (34.1) | ||
| BMI ≥30 | 8221 (18.0) | 124 (6.4) | 8345 (17.5) | 9092 (17.8) | 20 (12.4) | 9112 (17.8) | ||
| Education | ||||||||
| 0–9 years | 11,460 (24.8) | 728 (37.1) | 12,188 (25.3) | <0.001 | 13,366 (26.0) | 68 (41.7) | 13,434 (26.1) | <0.001 |
| 9–12 years | 23,473 (50.7) | 841 (42.9) | 24,314 (50.4) | 20,883 (40.7) | 58 (35.6) | 20,941 (40.7) | ||
| >12 years | 11,324 (24.5) | 392 (20.0) | 11,716 (24.3) | 17,089 (33.3) | 37 (22.7) | 17,126 (33.3) | ||
| Age at inclusion | ||||||||
| <45 | 14,575 (31.2) | 273 (13.8) | 14,848 (30.5) | <0.001 | 15,131 (29.1) | 22 (13.4) | 15,153 (29.1) | <0.001 |
| 46–55 | 13,210 (28.3) | 409 (20.7) | 13,619 (28.0) | 14,418 (27.8) | 27 (16.5) | 14,445 (27.7) | ||
| 56–65 | 18,899 (40.5) | 1296 (65.5) | 20,195 (41.5) | 22,366 (43.1) | 115 (70.1) | 22,481 (43.2) | ||
The Västerbotten Intervention Program cohort between 1989 and 2013 with 3080 groin hernia repairs added from Swedish Hernia Register. p Values are Chi-Square tests, used to examine differences within each group