Table 1.
Demographic, social, and service characteristics of the Chinese air force personnel, responding the first questionnaire: (n = 4988).
| Variables | Aircrew (n = 818) | Ground personnel (n = 4170) | P 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) |