| |
Adult onset asthma |
Unadjusted |
Adjusted * |
| Characteristics |
Yes
(N=261) |
No
(N=3200) |
RR 95% (CI) |
RR 95% (CI) |
| |
| Early Menarche* |
| No |
206 (78.93) |
2749 (85.91) |
Referent |
Referent |
| Yes |
55 (21.07) |
451 (14.09) |
1.56 (1.17,2.07) |
1.59 (1.19,2.13) |
P-value |
|
|
0.002 |
0.002 |
| |
| Regular Menses |
| Yes |
219 (85.88) |
2732 (85.38) |
Referent |
Referent |
| No |
36 (14.12) |
468 (14.63) |
0.96 (0.68,1.35) |
0.95 (0.67,1.34) |
P-value |
|
|
0.825 |
0.774 |
| |
| Menstrual Cycle Length (days) |
|
<24 |
10 (3.83) |
156 (4.88) |
0.79 (0.43,1.46) |
0.81 (0.44,1.51) |
| 25 - 30 |
193 (73.95) |
2341 (73.16) |
Referent |
Referent |
| 31 - 35 |
34 (13.03) |
445 (13.91) |
0.93 (0.65,1.32) |
0.88 (0.61,1.27) |
| ≥ 36 |
24 (9.20) |
258 (8.06) |
1.11 (0.74,1.67) |
1.08 (0.71,1.63) |
| Trend P- value |
|
|
0.238 |
*Adjusted for age, race/ethnicity, BMI at age 18 years, educational status, smoking, physical activity between ages 13-17 years, parity, history of diabetes and history of hypertension |
|