Table 1.
Selected characteristics by history of asthma and hayfever at baseline in 1986a, Health Professionals Follow-up Study
| Asthma | Hayfever | |||
|---|---|---|---|---|
|
| ||||
| Characteristic | No | Yes | No | Yes |
| Participants (n) | 45,364 | 2,516 | 35,766 | 12,114 |
| Mean age (years) | 54.0 ± 9.8 | 53.0 ± 9.5 | 54.3 ± 9.8 | 52.9 ± 9.4 |
| White (%) | 91 | 91 | 91 | 91 |
| Mean BMI at age 21 (kg/m2) | 23.0 | 22.9 | 23.0 | 22.9 |
| Mean current BMI (kg/m2) | 25.0 | 24.7 | 25.0 | 24.8 |
| Mean height (inches) | 70.1 | 70.1 | 70.2 | 70.1 |
| Family history of prostate cancer (%) | 12 | 12 | 12 | 13 |
| History of hayfever (%) | 23 | 73 | - | - |
| History of asthma (%) | - | - | 2 | 15 |
| Diabetes mellitus (%) | 3 | 3 | 3 | 3 |
| Routine screening for PSA by 2002b (%) | 82 | 81 | 82 | 84 |
| Current smoking (%) | 10 | 8 | 10 | 8 |
| Vigorous physical activityc (MET- hours/week) |
12.7 | 12.8 | 12.9 | 12.4 |
| Regular aspirin use (%) | 29 | 30 | 29 | 31 |
| Regular use of oral steroid drugsd (%) | 1 | 5 | 1 | 1 |
| Regular use of theophyllined (%) | 1 | 17 | 1 | 4 |
| Mean intakes | ||||
| Energy (kcal/day) | 1984 | 2008 | 1978 | 2009 |
| Calciume (mg/day) | 897 | 913 | 894 | 912 |
| α-Linolenic acide (g/day) | 1.1 | 1.1 | 1.1 | 1.1 |
| Bacon (servings/day) | 0.8 | 0.8 | 0.8 | 0.8 |
| Fish (servings/day) | 0.4 | 0.4 | 0.4 | 0.4 |
| Alcohol (g/day) | 11.3 | 11.2 | 11.4 | 11.1 |
| Vitamin E from supplements (mg/day) | 40.4 | 43.6 | 39.5 | 43.8 |
a
All values (except age) are standardized to the age distribution of the study population.
b
Among men who reported on ≥1 follow-up questionnaire whether they had had a screening PSA test.
c
METs=metabolic equivalents per week.
d
Reported in 1988.
e
Nutrients are adjusted for total energy intake by residual analysis.