Table 2.
The prevalence of functional gastrointestinal disorders (FGIDs) using Rome classification and the modified questionnaire.
| Functional gastrointestinal disorders | Aircrew (n = 787) | Ground personnel (n = 3846) | P value | Total (n = 4633) |
|---|---|---|---|---|
| A. Esophageal disorders | 34 (4.32) | 120 (3.12) | 0.087 | 154 (3.26) |
| A1: globus | 9 (1.14) | 30 (0.78) | 0.309 | 39 (0.84) |
| A2: functional chest pain | 6 (0.76) | 40 (1.04) | 0.474 | 46 (0.99) |
| A3: functional heartburn* | 19 (2.41) | 45 (1.17) | 0.006 | 64 (1.38) |
| A4: functional dysphagia | 1 (0.13) | 10 (0.26) | 0.419 | 11 (0.24) |
| B. Gastroduodenal disorders | 105 (13.34) | 430 (11.2) | 0.084 | 535 (11.54) |
| B1: functional dyspepsia | 50 (6.35) | 221 (5.75) | 0.509 | 271 (5.85) |
| B2: belching disorders | 22 (2.80) | 97 (2.72) | 0.659 | 119 (2.57) |
| B3: nausea and vomiting disorders* | 40 (5.08) | 281 (7.31) | 0.025 | 321 (6.93) |
| B3a: chronic idiopathic nausea* | 21 (2.67) | 71 (1.84) | 0.024 | 92 (1.99) |
| B3b: functional vomiting* | 1 (0.13) | 28 (0.87) | 0.031 | 29 (0.62) |
| B3c: cyclic vomiting syndrome* | 23 (2.92) | 191 (4.97) | 0.013 | 214 (4.62) |
| B4: rumination syndrome in adults | 4 (0.51) | 18 (0.47) | 0.999 | 22 (0.47) |
| C. Bowel disorders* | 102 (12.96) | 355 (9.10) | 0.001 | 457 (9.86) |
| C1: irritable bowel syndrome* | 45 (5.72) | 142 (3.70) | 0.009 | 187 (4.04) |
| C2: functional abdominal bloating | 68 (8.64) | 228 (5.93) | 0.005 | 296 (6.39) |
| C3: functional constipation* | 16 (2.03) | 29 (0.75) | 0.001 | 45 (0.97) |
| C4: functional diarrhea | 15 (1.91) | 56 (1.46) | 0.349 | 71 (1.53) |
| D. Functional abdominal pain | 2 (0.27) | 0 (0.00) | NC∧ | 2 (0.05) |
| F. Anorectal disorders* | 23 (2.92) | 258 (6.71) | 0.000 | 281 (6.07) |
| F1: functional incontinence* | 3 (0.38) | 106 (2.76) | 0.000 | 109 (2.35) |
| F2: functional anorectal pain | 22 (2.80) | 153 (3.98) | 0.113 | 175 (3.78) |
| F2a: levator ani syndrome | 2 (0.27) | 21 (0.55) | 0.434 | 23 (0.50) |
| F2b: proctalgia fugax | 20 (2.54) | 134 (3.48) | 0.179 | 154 (3.32) |
#Subjects may have more than one group of disorders.
*P < 0.05 aircrew versus ground personnel.
∧NC: not compared.