Research Article
The Prevalence of Functional Gastrointestinal Disorders in the Chinese Air Force Population
Table 1
Demographic, social, and service characteristics of the Chinese air force personnel, responding the first questionnaire: (
).
| | Variables | Aircrew () | Ground personnel () | value |
| | Age | | | <0.001 | | <25 | 232 (28.4) | 2911 (69.8) | | | 25–30 | 242 (29.6) | 951 (22.8) | | | >35 | 344 (42.0) | 308 (7.4) | | | Race | | | 0.16 | | Han race | 793 (96.9) | 3999 (95.9) | | Minority | 25 (3.1) | 171 (4.1) | | Marital status | | | <0.001 | | Single | 317 (38.7) | 3236 (77.6) | | | Married | 465 (56.8) | 746 (17.9) | | | Separated/divorced | 36 (4.5) | 188 (4.5) | | | Education | | | <0.001 | | Less than high school | 1 (0.1) | 575 (13.8) | | | High school | 30 (3.7) | 2144 (51.4) | | College graduate | 774 (94.6) | 1384 (33.2) | | Postgraduate | 13 (1.6) | 67 (1.6) | | | Years of service | | | <0.001 | | <4 | 120 (14.7) | 2052 (49.2) | | | 4–16 | 479 (58.5) | 2001 (48.0) | | | >16 | 219 (26.8) | 117 (2.8) | | | Rank | | | <0.001 | | Officer | 757 (92.4) | 313 (7.5) | | Enlisted | 61 (7.4) | 3857 (92.5) |
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