Table 3.

Asthma control, quality of life, and health care utilization predicted by coughs and demographic variables.

Predictors	Asthma control		Quality of life								Health care utilization
	β	P	Total		Activity		Symptoms		Emotional function		β	P
			β	P	β	P	β	P	β	P
Cough counts	-.48	.003	-.55	.001	-.50	.005	-.50	.003	-.58	<.001	.74	.004
Age in years	.05	.73	.11	.47	.11	.53	.07	.65	.16	.29	.19	.42
Gender (1=female)	.08	.64	-.19	.28	-.19	.30	-.22	.20	-.11	.51	-.26	.25
Race (1=nonwhite)	.36	.14	-.03	.91	.10	.71	.04	.88	-.20	.43	.03	.90
Household income	.06	.83	.03	.92	.03	.93	.11	.68	-.09	.72	-.43	.17