TABLE 3 ] .
Multivariable Models of Health Literacy, Cognitive Abilities, and Asthma Self-Management Behaviors
| Equation and Variable | HL | FA | CA | HL + FA | HL + CA | HL + CA + FA |
| Adherent to asthma controller | ||||||
| Adequate HL | 2.30a (1.29-4.08) | … | … | 1.45 (0.70-2.98) | 2.06b (1.13-3.76) | 1.44 (0.70-2.97) |
| FA | … | 1.89c (1.30-2.75) | … | 1.63b (1.02-2.62) | … | 1.57 (0.94-2.60) |
| CA | … | … | 1.05b (1.00-1.10) | … | 1.03 (0.98-1.08) | 1.01 (0.96-1.07) |
| DPI > 75% steps correct | ||||||
| Adequate HL | 3.51c (1.81-6.83) | … | … | 1.89 (0.82-4.39) | 2.52a (1.26-5.07) | 1.95 (0.83-4.60) |
| FA | … | 2.52c (1.59-3.98) | … | 1.94b (1.10-3.42) | … | 1.37 (0.74-2.55) |
| CA | … | … | 1.17c (1.08-1.26) | … | 1.14a (1.05-1.23) | 1.12a (1.03-1.22) |
| MDI > 75% steps correct | ||||||
| Adequate HL | 1.64b (1.01-2.65) | … | … | 1.09 (0.59-2.02) | 1.55 (0.94-2.57) | 1.09 (0.59-2.02) |
| FA | … | 1.57a (1.15-2.14) | … | 1.52b (1.02-2.24) | … | 1.54b (1.00-2.37) |
| CA | … | … | 1.03 (0.99-1.07) | … | 1.02 (0.97-1.06) | 1.00 (0.95-1.04) |
Data are presented as OR (95% CI). All models are controlled for age, sex, race/ethnicity, number of chronic conditions, and number of years since asthma diagnosis. CA = crystallized ability; DPI = dry power inhaler; FA = fluid ability; HL = health literacy; MDI = metered-dose inhaler.
a
P < .01.
b
P < .05.
c
P < .001.