Table 2 Characteristics of the young men exposed to high altitude in Tibet, 2006-2009
From: Population level determinants of acute mountain sickness among young men: a retrospective study
Indicators | Number | Percent(%) |
|---|---|---|
Demographic characteristics | Â | Â |
   Male | 3727 | 100 |
   Age(y) |  |  |
< 18 | 133 | 4 |
18-20 | 2813 | 75 |
21-26 | 781 | 21 |
   Ethnicity |  |  |
Han (Chinese) | 3472 | 93 |
Tibetan | 87 | 2 |
Hui (Muslim) | 168 | 5 |
   Birth province |  |  |
Northwest province | 1544 | 41 |
Southwest province | 1266 | 34 |
East province | 917 | 25 |
   Education |  |  |
≤Junior high school | 2060 | 55 |
= High school | 1589 | 43 |
≥College | 78 | 2 |
   BMI |  |  |
Normal | 2892 | 78 |
Underweight | 426 | 11 |
Overweight | 409 | 11 |
   Rank |  |  |
Private | 3173 | 85 |
NCO | 433 | 12 |
Officer | 121 | 3 |
Health behavior | Â | Â |
   Drinking alcohol |  |  |
Yes | 1155 | 31 |
No | 2572 | 69 |
   Cigarette smoking |  |  |
Yes | 2242 | 60 |
No | 1485 | 40 |
   Prophylaxis |  |  |
No | 2360 | 63 |
Yes | 1367 | 37 |
Travel profile | Â | Â |
   Start point altitude |  |  |
1300-1500 m | 1449 | 39 |
900-1100 m | 1074 | 29 |
600-800 m | 1204 | 32 |
   Destination altitude |  |  |
2900-3100 m | 1245 | 33 |
3600-3800 m | 1221 | 33 |
4100-4300 m | 1261 | 34 |
   Deployment type |  |  |
Normal by land | 1706 | 46 |
Emergency by land | 1142 | 31 |
Normal by air | 500 | 13 |
Emergency by air | 379 | 10 |
   Season |  |  |
Warm | 2133 | 57 |
Cold | 1594 | 43 |