Symptoms of respiratory tract infection and associated care-seeking in subjects with and without obstructive lung disease; The Tromsø Study: Tromsø 6

Table 4 Predictors of duration of illness as evaluated by linear regression in 757 subjects reporting symptoms of respiratory tract infection the previous week in the Tromsø 6 survey (r ² = 0.03)

	Standardized Beta	p-value
Male gender	0.05	0.2
Age	0.03	0.4
Smoking: Current	0.05	0.3
previous	−0.01	0.8
Self-rated health: bad or neither good or bad	0.05	0.2
Self-reported disease: Asthma, not COPD	0.06	0.1
COPD, not asthma	0.2	0.6
Asthma or COPD	−0.01	0.8
Cardiovascular disease	0.08	0.04
Spirometry: GOLD 1 spirometry	−0.01	0.8
GOLD 2–4 spirometry	0.01	0.7

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