Incident Asthmaa | Cox Proportional Hazards Model | 1 IR per 1000 | Persontime years | Cases /1000 /year | Cox Proportional Hazards Model 2 | Cox Proportional Hazards Model 3 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hazard Ratio | 95% CI | p-value | Hazard Ratio | 95% CI | p-value | Hazard Ratio | 95% CI | p-value | ||||
HR –adjusted for sex, age, overweight, race/ethnicity, fruit/ vegetable intake | HR – further adjusted for hours exposed to in-door smoke, fast food intake | HR – further adjusted for mother’s education level | ||||||||||
ttlEFFb–any combination (Soda /Sports/Fruit drinks & 100% Juices) | n = 2097, # of observations = 4193 | n = 1833, # of observations = 3665 | n = 1791, # of observations = 3581 | |||||||||
≤ 2.5 /wk | Reference ------- | 20 | 1140 | 18 | Reference ------- | Reference ------- | ||||||
3 /wk | 1.44 | 0.71–3.49 | 0.367 | 9 | 361 | 25 | 1.86 | 0.82–4.23 | 0.137 | 1.36 | 0.52–3.02 | 0.501 |
4–7 /wk | 1.95 | 1.15–3.63 | 0.022* | 28 | 799 | 35 | 2.29 | 1.25–4.22 | 0.008** | 2.24 | 1.16–3.92 | 0.010* |
> 1 & 2 /day | 2.81 | 1.69–5.19 | 0.0003** | 34 | 663 | 51 | 3.01 | 1.65–5.52 | 0.0003* | 2.84 | 1.48–4.95 | 0.0008** |
> 2 /day | 3.59 | 2.19–6.60 | 0.000004*** | 40 | 636 | 63 | 3.62 | 1.98–6.62 | 0.00003*** | 3.24 | 1.69–5.67 | 0.0002*** |
100% Juicesc | n = 2094, #of observations = 4187 | n = 1830, # of observations = 3659 | n = 1790, # of observations = 3575 | |||||||||
≤ 2.5 /wk | Reference ------- | 43 | 1967 | 22 | Reference ------- | Reference -------- | ||||||
3–7 /wk | 1.44 | 0.94–2.21 | 0.097∞ | 41 | 1250 | 33 | 1.56 | 1.00–2.44 | 0.049* | 1.63 | 1.04–2.56 | 0.033* |
> once /day | 2.19 | 1.44–3.32 | 0.0002** | 47 | 974 | 48 | 1.87 | 1.18–2.95 | 0.008** | 1.82 | 1.14–2.92 | 0.013* |
Soda/Sports/Fruit drinks | ||||||||||||
n = 2097, # of observations = 4193 | n = 1833, # of observations = 3665 | n = 1791, # of observations = 3581 | ||||||||||
≤ 2.5 /wk | Reference ------- | 95 | 3051 | 31 | Reference ------- | Reference ------- | ||||||
3–7 /wk | 1.99 | 1.20–3.30 | 0.008** | 20 | 357 | 56 | 2.08 | 1.20–3.60 | 0.009* | 2.03 | 1.17–3.53 | 0.012* |
> once /day | 2.90 | 1.67–5.05 | 0.0002** | 16 | 190 | 84 | 2.83 | 1.54–5.22 | 0.0008** | 2.57 | 1.38–4.79 | 0.003* |