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|
Adult onset asthma |
Stratified model |
Joint model |
Characteristics |
Yes
(N=257) |
No
( N=3151 ) |
Adj. RR |
95% (CI) |
Adj. RR |
95% (CI) |
BMI at age 18 and age at menarche |
|
<25kg/m2, >11 years |
191 (81.28) |
2564 (86.92) |
Referent |
Referent |
Referent |
Referent |
| <25kg/m2, ≤11 years |
44 (18.72) |
386 (13.08) |
1.52 |
(1.10,2.08) |
1.5 |
(1.11,2.05) |
| ≥25kg/m2, >11 years |
12 (54.55) |
145 (72.14) |
Referent |
Referent |
1.1 |
(0.62,1.94) |
| ≥25kg/m2, ≤11 years |
10 (45.45) |
56 (27.86) |
1.99 |
(0.87,4.55) |
2.18 |
(1.19,3.98) |
| P-value for interaction |
|
|
|
|
0.523 |
BMI at age 18 and menstrual regularity |
|
| <25kg/m2, regular menses |
198 (86.46) |
2513 (85.19) |
Referent |
Referent |
Referent |
Referent |
| <25kg/m2, irregular menses |
31 (13.54) |
437 (14.81) |
0.91 |
(0.63,1.31) |
0.91 |
(0.63,1.31) |
| ≥25kg/m2, regular menses |
18 (81.82) |
176 (87.56) |
Referent |
Referent |
1.25 |
(0.78,2.00) |
| ≥25kg/m2,irregular menses |
4 (18.18) |
25 (12.44) |
1.59 |
(0.57,4.44) |
1.84 |
(0.73,4.63) |
| P-value for interaction |
|
|
|
|
|
0.384 |
|
|
BMI at age 18 and usual cycle length |
|
| <25kg/m2, < 36 days |
208 (90.83) |
2715 (92.50) |
Referent |
Referent |
Referent |
Referent |
| <25kg/m2, ≥36 days |
21 (9.17) |
220 (7.50) |
1.23 |
(0.80,1.89) |
1.23 |
(0.80,1.89) |
| ≥25kg/m2, <36 days |
20 (90.91) |
182 (91.46) |
Referent |
Referent |
1.36 |
(0.87,2.13) |
| ≥25kg/m2, ≥36 days |
2 (9.09) |
17 (8.54) |
1.07 |
(0.26,4.31) |
1.51 |
(0.41,5.66) |
| P-value for interaction |
|
|
|
|
|
0.886 |
Adjusted for – age, race/ethnicity, educational status, smoking, physical activity between ages 13-17yrs, parity, history of diabetes and history of hypertension |
|