Table 2.
Demographic Factors in the Study Population and Association With Abdominal Pain-related Functional Gastrointestinal Disorders
| Demographic characteristics | Total (N = 1365) | AP-FGIDs (n = 147), | Controls (n = 1218) | P-valuea |
|---|---|---|---|---|
| Group | 0.990 | |||
| Primary school (6–12 yr) | 363 (26.6) | 39 (26.5) | 324 (26.6) | |
| High school (gymnasium and lyceum, 12–18 yr) | 1002 (73.4) | 108 (73.5) | 894 (73.4) | |
| Sex | < 0.001 | |||
| Females | 715 (52.4) | 104 (70.7) | 611 (50.2) | |
| Males | 649 (47.6) | 43 (29.3) | 606 (49.8) | |
| Main urban | 0.725 | |||
| Athens & Thessaloniki | 778 (57.0) | 86 (58.5) | 692 (56.9) | |
| Elsewhere | 586 (43.0) | 61 (41.5) | 525 (43.2) | |
| Urban vs rural | 0.849 | |||
| Rural | 412 (30.2) | 43 (29.3) | 369 (30.3) | |
| Urban | 952 (69.8) | 104 (70.7) | 848 (69.7) | |
| Islands vs Mainland Greece | 0.549 | |||
| Mainland Greece | 1149 (84.2) | 127 (86.4) | 1022 (84.0) | |
| Islands | 215 (15.8) | 20 (13.6) | 195 (16.0) | |
|
| ||||
| Variable | Total | AP-FGID | Controls | P-valueb |
|
| ||||
| Age (yr) | 12.8 ± 2.8, | 13.3 ± 3.0, | 12.8 ± 2.8, | 0.045 |
| 13.3 (11.8, 14.5) | 13.8 (11.9, 15.5) | 13.2 (11.8, 14.5) | ||
a
Fisher’s exact test.
b
Student’s t test.
AP-FGIDs, abdominal pain-related functional gastrointestinal disorders.
Data are presented as n (%) or mean ± SD, median (interquartile range).