Prevalence and odds ratios (ORs) of respiratory conditions
| Respiratory condition | Gulf War veterans n (%) | Comparison group n (%) | Adjusted OR* | 95% CI |
|---|---|---|---|---|
| *Odds ratios adjusted for age, height, smoking, weight, atopy, rank, service, education and marital status. | ||||
| †Odds ratios adjusted for service type, rank, age, education and marital status. | ||||
| Asthma | ||||
| Asthma ever | 190 (13.7) | 162 (11.8) | 1.2 | 0.9 to 1.5 |
| Doctor diagnosed asthma | 165 (12.0) | 141 (10.3) | 1.2 | 0.9 to 1.5 |
| Current use of asthma medication | 59 (4.3) | 44 (3.2) | 1.4 | 0.9 to 2.2 |
| ECRHS definition suggesting asthma | 141 (10.2) | 102 (7.5) | 1.4 | 1.1 to 1.9 |
| Doctor diagnosed asthma first diagnosedin 1991 or later and rated as a possibleor probable diagnosis | 53 (4) | 42 (3) | 1.2† | 0.8 to 1.8 |
| Air flow limitation | ||||
| FEV1/FVC% <70% | 68 (6.4) | 93 (8.4) | 0.8 | 0.5 to 1.1 |
| Chronic bronchitis | ||||
| Doctor diagnosed chronic bronchitis | 142 (10.3) | 116 (8.4) | 1.1 | 0.9 to 1.5 |
| Chronic obstructive bronchitis | 11 (1.0) | 13 (1.1) | 1.0 | 0.4 to 2.3 |
| Doctor diagnosed bronchitis first diagnosedin 1991 or later and rated as a possibleor probable diagnosis | 47 (4) | 27 (2) | 1.9† | 1.2 to 3.1 |
| Emphysema | ||||
| Working definition of emphysema | 117 (11.1) | 121 (11.0) | 1.0 | 0.8 to 1.4 |