Table 3.
Association between characteristics and current asthma by allergy, 2016–2018
| Children (aged 0–17 years) | Children (aged 0–17 years) with any allergy | Children (aged 0–17 years) without any allergy | ||||
|---|---|---|---|---|---|---|
|
|
||||||
| Prevalence of any allergy | Prevalence of current asthma | Prevalence of current asthma | ||||
|
|
||||||
| Characteristics | Prev, % (95% CI) |
aPR (95% CI) |
Prev, % (95% CI) |
aPR (95% CI) |
Prev, % (95% CI) |
aPR (95% CI) |
|
| ||||||
| Total | 26.4 (25.7, 27.2) |
-- | 18.1 (17.0, 19.3) |
-- | 4.5 (4.1, 4.9) |
-- |
| Age group (years) * | ||||||
| 0–4 | 23.1 (21.9, 24.3) |
Ref | 10.1 (8.4, 12.1) |
Ref | 2.2 (1.7, 2.8) |
Ref |
| 5–11 | 26.8 (25.7, 27.9) |
1.17
(1.09, 1.24) |
20.1 (18.2, 22.0) |
2.00
(1.64, 2.43) |
4.7 (4.1, 5.4) |
2.19
(1.68, 2.85) |
| 12–17 | 28.6 (27.5, 29.8) |
1.24
(1.17, 1.32) |
21.2 (19.3, 23.2) |
2.21
(1.80, 2.70) |
6.3 (5.5, 7.1) |
2.91
(2.20, 3.84) |
| Sex * | ||||||
| Male | 27.1 (26.2, 28.1) |
Ref | 19.5 (18.0, 21.2) |
Ref | 5.1 (4.6, 5.7) |
Ref |
| Female | 25.7 (24.6, 26.8) |
0.95
(0.90, 0.99) |
16.6 (15.1, 18.2) |
0.83
(0.73, 0.94) |
3.9 (3.4, 4.4) |
0.76
(0.64, 0.89) |
| Race (non-Hispanic) and ethnicity * | ||||||
| White | 27.7 (26.7, 28.6) |
Ref | 15.4 (14.1, 16.9) |
Ref | 3.5 (3.1, 4.0) |
Ref |
| Black | 29.6 (27.6, 31.6) |
1.07 (1.00, 1.16) |
27.0 (23.9, 30.4) |
1.81
(1.57, 2.09) |
8.8 (7.4, 10.5) |
2.49
(2.00, 3.10) |
| AI/AN | 15.7 (11.1, 21.7) |
0.56
(0.40, 0.80) |
26.6 (15.1, 42.5) |
1.77
(1.05, 2.98) |
7.1† (3.0, 16.1) |
1.93 (0.83, 4.52) |
| Asian | 21.6 (19.3, 24.1) |
0.78
(0.69, 0.88) |
12.2 (9.1, 16.2) |
0.79 (0.58, 1.07) |
1.5 (0.9, 2.5) |
0.43
(0.26, 0.72) |
| Multiple | 34.7 (31.4, 38.2) |
1.26
(1.14, 1.40) |
23.8 (19.1, 29.1) |
1.55
(1.23, 1.95) |
7.3 (5.3, 9.9) |
2.17
(1.55, 3.02) |
| Hispanic | 22.3 (21.0, 23.6) |
0.81
(0.76, 0.86) |
18.2 (15.9, 20.9) |
1.23
(1.04, 1.45) |
4.4 (3.7, 5.2) |
1.26
(1.01, 1.56) |
| Ratio of family income to federal poverty threshold | ||||||
| <100% FPL | 25.2 (23.5, 26.9) |
0.87
(0.80, 0.95) |
22.6 (19.5, 26.0) |
1.37
(1.13, 1.67) |
6.5 (5.4, 7.8) |
2.06
(1.58, 2.70) |
| 100% to <250% FPL | 24.4 (23.1, 25.7) |
0.84
(0.79, 0.90) |
20.4 (18.4, 22.5) |
1.29
(1.10, 1.51) |
5.1 (4.4, 5.9) |
1.70
(1.34, 2.16) |
| 250% to <450% FPL | 26.6 (25.3, 28.0) |
0.90
(0.84, 0.96) |
16.0 (14.0, 18.2) |
1.05 (0.89, 1.24) |
4.0 (3.4, 4.7) |
1.39
(1.09, 1.77) |
| ≥450% FPL | 29.7 (28.4, 31.0) |
Ref | 15.0 (13.2, 16.9) |
Ref | 2.7 (2.2, 3.2) |
Ref |
| U.S. Census region | ||||||
| Northeast | 25.5 (23.7, 27.5) |
0.91 (0.83, 1.00) |
20.8 (17.6, 24.6) |
1.38
(1.11, 1.72) |
5.1 (4.0, 6.5) |
1.24 (0.92, 1.67) |
| Midwest | 25.9 (24.2, 27.6) |
0.90
(0.83, 0.98) |
18.6 (16.4, 21.2) |
1.26
(1.03, 1.54) |
4.3 (3.7, 5.0) |
1.05 (0.83, 1.33) |
| South | 27.1 (25.9, 28.3) |
0.96 (0.90, 1.03) |
18.8 (17.2, 20.5) |
1.14 (0.96, 1.37) |
4.6 (4.0, 5.4) |
0.98 (0.78, 1.23) |
| West | 26.5 (25.0, 28.0) |
Ref | 14.8 (12.8, 17.2) |
Ref | 4.1 (3.4, 4.8) |
Ref |
AI/AN, American Indian/Alaska Native; aPR, adjusted prevalence ratio (adjusted for age, sex, and race/ethnicity); CI, confidence interval; FPL, federal poverty level; Prev, prevalence; Ref, referent.
Bold numbers statistically significant.
*
For these variables only adjusted for other two.
†
Relative standard error ≥30% unreliable estimate.