Table 1.
Profile of the subjects
| FC group (n = 262) | IBS-C group (n = 149) | P value | |
|---|---|---|---|
| Age (years) | 49.8 ± 13.1 | 41.6 ± 13.7 | < 0.001* (c) |
| Age group (n, %) | |||
| 20 s | 25, 9.5% | 42, 28.2% | < 0.001* (b) |
| 30 s | 44, 16.8% | 37, 24.8% | 0.049* (b) |
| 40 s | 58, 22.1% | 31, 20.8% | 0.753 (b) |
| 50 s | 49, 18.7% | 15, 10.1% | 0.020* (b) |
| 60 s | 86, 32.8% | 24, 16.1% | < 0.001* (b) |
| < 40 | 69, 26.3% | 79, 53.0% | < 0.001* (a) |
| ≥ 40 | 193, 73.7% | 70, 47.0% | |
| Delivery (n, %) | 115, 60.8% | 28, 38.4 | 0.001* (a) |
| Height (cm) | 161.5 ± 8.6 | 164.2 ± 8.6 | 0.002* (c) |
| Body weight (kg) | 55.2 ± 12.1 | 56.4 ± 11.2 | 0.309 (c) |
| BMI (kg/m2) | 21.0 ± 3.3 | 20.8 ± 3.0 | 0.507 (c) |
| Residence (n, %) | 0.042* (a) | ||
| Kanto | 93, 35.5% | 57, 38.3% | |
| Kinki | 60, 22.9% | 36, 24.2% | |
| Kyusyu | 24, 9.2% | 5, 3.4% | |
| Shikoku | 7, 2.7% | 6, 4.0% | |
| Chugoku | 10, 3.8% | 5, 3.4% | |
| Chubu | 35, 13.4% | 32, 21.5% | |
| Tohoku | 21, 8.0% | 4, 2.7% | |
| Hokkaido | 12, 4.6% | 4, 2.7% | |
| Highest educational level (n, %) | 0.060 (a) | ||
| Junior high school | 3, 1.1% | 6, 4.0% | |
| High school | 91, 34.7% | 55, 36.9% | |
| Technical college | 19, 7.3% | 10, 6.7% | |
| Vocational school | 16, 6.1% | 15, 10.1% | |
| Junior college | 43, 16.4% | 10, 6.7% | |
| University | 81, 30.9% | 47, 31.5% | |
| Graduate school | 8, 3.1% | 6, 4.0% | |
| Others | 1, 0.4% | 0, 0.0% | |
| Classification by educational level (n, %) | 0.323 (a) | ||
| Junior high-vocational school | 94, 36.0% | 61, 40.9% | |
| Junior college-graduate school | 167, 67.0% | 88, 59.1% | |
| Annual income (n, %) | 0.886 (a) | ||
| < 6 million yen | 128, 59.8% | 72, 59.0% | |
| ≥ 6 million yen | 86, 40.2% | 50, 41.0% | |
| [No answer (n)%] | [48] | [27] | |
| Occupation (n, %) | < 0.001* (a) | ||
| Student | 1, 0.4% | 6, 4.0% | |
| Office worker/public servant | 103, 39.3% | 59, 39.6% | |
| Self-employed/freelance | 21, 8.0% | 19, 12.8% | |
| Part time | 36, 13.7% | 29, 19.5% | |
| Retired/unemployed | 27, 10.3% | 15, 10.1% | |
| Home duties | 72, 27.5% | 18, 12.1% | |
| Others | 2, 0.8% | 3, 2.0% | |
Data are expressed n and %, or mean ± standard deviation
P value: a: Chi-square test, b: residual analysis, c: unpaired t-test. *P-value < 0.05