Research Article
Abdominal Symptoms and Incident Gallstones in a Population Unaware of Gallstone Status
Table 1
Characteristics of study population at baseline, 1982–84.
| | | Incident gallstones or cholecystectomy (%)/median [IQR] | No gallstones (%)/median [IQR] | Total (%)/median [IQR] | Missing |
| | Sex | Female | 141 (55.1) | 1217 (47.0) | 1358 (47.7) | | | Male | 115 (44.9) | 1375 (53.0) | 1490 (52.3) | |
| | Age | | 50.0 [40.0; 52.5] | 40.0 [30.0; 50.0] | 40.0 [30.0; 50.0] | |
| | Body mass index | | 24.2 [22.1; 27.2] | 23.8 [21.7; 26.4] | 23.9 [21.7; 26.5] | |
| | Consumption of alcohol | Units/week | 5.0 [2.0; 10.0] | 6.0 [2.0; 12.0] | 6.0 [2.0; 12.0] | 1 |
| | Cohabitant status | Living with someone | 212 (82.8) | 2180 (84.1) | 2392 (84.0) | | | Alone | 29 (11.3) | 334 (12.9) | 363 (12.7) | | | Always alone | 15 (5.9) | 78 (3.0) | 93 (3.3) | |
| | Social group | I + II | 57 (22.3) | 500 (19.3) | 557 (19.6) | 2 | | III | 71 (27.7) | 731 (28.2) | 802 (28.2) | | IV | 80 (31.2) | 824 (31.8) | 904 (31.8) | | V | 48 (18.8) | 535 (20.7) | 583 (20.5) |
| | Stools per week | Number/week | 7.0 [6.0; 8.0] | 7.0 [7.0; 8.0] | 7.0 [7.0; 8.0] | 12 |
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