Table 4.

Stepwise regression analyses, with Western-style diet score as the dependent variable, and age, gender, duration of the problem, identification, discrimination and thresholds scores as predictors.

Variable	ANOVA for Model	R 2	Predictor Variable/s	t(df)	p	r	Sr	Sr2
Idiopathic	F(1,60) = 11.77, p < 0.001	0.15	Identification	3.43 (60)	0.001	0.41	0.41	0.17
Sino-nasal disease	F(2,30) = 5.48, p < 0.01	0.22	Threshold	3.25 (30)	0.003	−0.37	−0.51	0.26
			Identification	2.35 (30)	0.026	0.10	0.37	0.14
Trauma	F(1,31) = 6.48, p < 0.02	0.15	Discrimination	2.55 (31)	0.016	0.42	0.42	0.18