Demographic and clinical characteristics by pain pattern; intermittent versus chronic and mild to moderate versus severe
| Variable | Pain pattern | Pain pattern | ||||
| Intermittent | Constant | p Value | Mild to moderate | Severe | p Value | |
| Number (%) | 186 (44.9) | 228 (55.1) | 96 (23.2) | 318 (76.8) | ||
| Gender | ||||||
| Male | 98 (52.7) | 107 (46.9) | 0.28 | 52 (54.2) | 153 (48.1) | 0.35 |
| Age at enrolment (mean±SD) | 50.6±17.1 | 47.6±13.8 | 0.05 | 50.1±14.6 | 48.6±15.7 | 0.38 |
| Race (%) (n=413) | ||||||
| White | 160 (86.5) | 184 (80.7) | 0.26 | 76 (80.0) | 268 (84.3) | 0.22 |
| Black | 19 (10.3) | 31 (13.6) | 16 (16.8) | 34 (10.7) | ||
| Others or mixed | 6 (3.2) | 13 (5.7) | 3 (3.2) | 16 (5.0) | ||
| Body mass index (n=406) | ||||||
| Normal or low | 109 (59.6) | 130 (58.3) | 0.95 | 50 (53.2) | 189 (60.6) | 0.45 |
| Overweight | 52 (28.4) | 68 (30.5) | 34 (36.2) | 86 (27.6) | ||
| Obese | 22 (12.0) | 25 (11.2) | 10 (10.6) | 37 (11.9) | ||
| Drinking category (%) (n = 413) | ||||||
| Abstainer | 48 (25.9) | 47 (20.6) | 0.01 | 16 (16.7) | 79 (24.9) | 0.50 |
| Light | 38 (20.5) | 41 (18.0) | 24 (25.0) | 55 (17.4) | ||
| Moderate | 43 (23.2) | 41 (18.0) | 20 (20.8) | 64 (20.2) | ||
| Heavy | 20 (10.8) | 28 (12.3) | 9 (9.4) | 39 (12.3) | ||
| Very heavy | 36 (19.5) | 71 (31.1) | 27 (28.1) | 80 (25.2) | ||
| Smoking (%) (n = 412) | ||||||
| Never | 65 (35.3) | 55 (24.1) | 0.02 | 24 (25.3) | 96 (30.3) | 0.25 |
| Past | 44 (23.9) | 52 (22.8) | 28 (29.5) | 68 (21.5) | ||
| Current | 75 (40.8) | 121 (53.1) | 43 (45.3) | 153 (48.3) | ||
| Amount of smoking (%) (n=401) | ||||||
| Never | 65 (36.3) | 55 (24.8) | 0.05 | 24 (25.8) | 96 (31.2) | 0.52 |
| <1 packs/day | 45 (25.1) | 71 (32.0) | 30 (32.3) | 86 (27.9) | ||
| ≥1 packs/day | 69 (38.5) | 96 (43.2) | 39 (41.9) | 126 (40.9) | ||
| Acute pancreatitis ever (%) (n=411) | ||||||
| Yes | 122 (66.3) | 146 (64.3) | 0.62 | 58 (61.7) | 210 (66.2) | 0.62 |
| No | 29 (15.8) | 44 (19.4) | 17 (18.1) | 56 (17.7) | ||
| Unclear | 33 (17.9) | 37 (16.3) | 19 (20.2) | 51 (16.1) | ||
| Regular use of pain medication (%) (n=330) | ||||||
| Yes | 37 (22.3) | 119 (72.6) | <0.001 | 36 (45.0) | 120 (48.0) | 0.73 |
| No | 129 (77.7) | 45 (27.4) | 44 (55.0) | 130 (52.0) | ||
| Disability (%) (n=399) | ||||||
| Yes | 32 (17.5) | 91 (42.1) | <0.001 | 23 (25.0) | 100 (32.6) | 0.21 |
| No | 151 (82.5) | 125 (57.9) | 69 (75.0) | 207 (67.4) | ||