Table 4. Adjusted RRRs^* (CI95%) for the effects of several variables reported at baseline or at follow-up on asthma control (partial control or no control) at follow-up, in subjects with non remittent asthma (n = 127).

		Partial control		No control
		RRR	CI95%	RRR	CI95%
Age (years)		1.00	0.93;1.08	1.04	1.02;1.05
Gender	Male	1.00		1.00
	Female	4.87	2.66;8.93	4.28	1.94;9.42
Smoking habits at baseline	No smoker	1.00		1.00
	Ex-smoker	0.85	0.14;5.02	1.31	0.32;5.31
	Current smoker	2.40	0.72;7.95	1.64	0.75;3.58
Age at onset of asthma (years) at baseline		1.05	0.99;1.11	1.01	0.94;1.09
Asthma control at baseline	Total control	1.00		1.00
	Partial control	1.79	0.81;3.96	2.66	1.00;7.05
	No control	3.83	1.01;14.51	7.67	3.47;16.95
Allergic rhinitis	No	1.00		1.00
	Yes	0.57	0.11;3.07	2.85	0.17;46.61
Chronic cough and phlegm	No	1.00		1.00
	Yes	1.35	0.73;2.47	2.96	1.63;5.37
ICS use in the last 3 months at baseline	No	1.00		1.00
	Yes	4.30	0.79;23.52	2.31	0.35;15.54
ICS use in the last 3 months at follow-up	No	1.00		1.00
	Yes	0.57	0.30;1.06	0.46	0.10;2.08

The reference category is control.

^*RRRs were obtained through a multinomial logistic regression model with the controlled group as the reference category. RRRs were also adjusted for the type of interview (telephone vs face to face).

RRRs significantly different from 1 are reported in bold (p<0.05).