Table 4. Logistic regression analysis of factors associated with chronic constipation .
| Variables | CC (n = 752) | No CC (n = 8511) | P value | Odds Ratio (95% CI) | ||
| Unadjusted | Adjusted | |||||
| Opium used | Yes | 100 (13.3%) | 674 (7.9%) | < 0.001 | 1.78 (1.42-2.23) | 2.06 (1.63-2.60) |
| No | 652 (86.7%) | 7837 (92.1%) | reference | reference | ||
| Physical activity | Low | 339 (45.1%) | 2766 (32.5%) | < 0.001 | reference | reference |
| Medium | 239 (31.8%) | 2828 (33.3%) | 0.70 (0.58 - 0.82) | 0.74 (0.62 - 0.89) | ||
| High | 174 (23.1%) | 2911 (34.2%) | 0.48 (0.40 - 0.59) | 0.56 (0.46 - 0.68) | ||
| Insomnia | Yes | 243 (32.3%) | 1552 (18.2%) | < 0.001 | 2.14 (1.82 - 2.52) | 1.62 (1.36 - 1.93) |
| No | 509 (67.7%) | 6959 (81.8%) | reference | reference | ||
| Anxiety | Yes | 320 (42.6%) | 2424 (28.5%) | < 0.001 | 1.86 (1.60 - 2.17) | 1.38 (1.15 - 1.65) |
| No | 432 (57.4%) | 6087 (71.5%) | reference | reference | ||
| Depression | Yes | 223(29.7%) | 1572 (18.5%) | < 0.001 | 1.86 (1.58 - 2.2) | 1.22 (1.01 - 1.48) |
| No | 529 (70.3%) | 6939 (81.5%) | reference | reference | ||
|
Back pain or
joint pain |
Yes | 591(78.6%) | 5702 (67%) | < 0.001 | 1.80 (1.51 - 2.17) | 1.38 (1.14 - 1.67) |
| No | 161 (21.4%) | 2809 (33%) | reference | reference | ||
| GERD | Yes | 271 (36%) | 2054 (24.1%) | < 0.001 | 1.77 (1.51 - 2.07) | 1.51 (1.28 - 1.78) |
| No | 481 (64%) | 6457 (75.9%) | reference | reference | ||
| Age | 40 – 59 years | 486 (64.6%) | 6546 (76.9%) | < 0.001 | reference | reference |
| ≥ 60 years | 266 (35.4%) | 1962 (23.1%) | 1.83 (1.56 - 2.14) | 1.55 (1.31 - 1.83) | ||
CC: Chronic constipation, GERD: Gastroesophageal reflux disease