Table 2.

Two-factorial linear regression analyses explaining the relationships between anthropometric indices of nutritional status (z-scores) right after Crohn’s disease diagnosis and: disease duration from the first symptoms (mo), age of the first symptoms (y), the presence of lesions in the small intestine, and the presence of extraintestinal manifestations and perianal disease.

Model	Predictors	B	95% CI	β	95% CI	t	p	Adjusted R2	p
Dependent variable: body weight (z-score)
Model 1 N = 39	Disease duration (mo)	0.01	0.00 - 0.02	0.31	-0.01 - 0.62	1.99	0.054	0.168	0.014
	EIMs and PA diseasea	-0.31	-0.66 - 0.04	-0.27	-0.58 - 0.04	-1.75	0.088
Dependent variable: BMI (z-score)
Model 1 N = 39	Disease duration (mo)	0.01	0.001 - 0.02	0.34	0.04 - 0.065	2.30	0.027	0.215	0.005
	EIMs and PA diseasea	-0.31	-0.64 - 0.01	-0.29	-0.59 - 0.01	-1.94	0.060
Model 2 N = 37	Age of the first symptoms (y)	-0.07	-0.15 - 0.01	-0.28	-0.60 - 0.05	-1.73	0.093	0.136	0.031
	Small intestinal lesionsa	-0.29	-0.63 - 0.06	-0.27	-0.59 - 0.05	-1.70	0.098
Model 3 N = 39	Age of the first symptoms (y)	-0.08	-0.15 - -0.001	-0.31	-0.61 - -0.01	-2.07	0.045	0.196	0.007
	EIMs and PA diseasea	-0.36	-0.68 - -0.03	-0.33	-0.63 - -0.03	-2.23	0.032
Dependent variable: tricipital SFT (z-score)
Model 1 N = 39	Disease duration (mo)	0.01	0.001 - 0.02	0.36	0.06 - 0.66	2.41	0.021	0.213	0.005
	EIMs and PA diseasea	-0.31	-0.66 - 0.04	-0.27	-0.57 - 0.03	-1.80	0.081
Dependent variable: subscapular SFT (z-score)
Model 1 N = 39	Disease duration (mo)	0.01	0.01 - 0.02	0.52	0.24 - 0.80	-2.93	0.006	0.318	< 0.001
	EIMs and PA diseasea	0.17	-0.57 - 0.12	-0.18	-0.47 - 0.10	-1.31	0.198
Dependent variable: sum of SFTs (z-score)
Model 1 N = 39	Disease duration (mo)	0.01	0.002 - 0.02	0.36	0.05 - 0.67	2.37	0.023	0.187	0.009
	EIMs and PA diseasea	-0.32	-0.75 - 0.12	-0.23	-0.54 - 0.08	-1.52	0.136

BMI body mass index, EIMs extraintestinal manifestations, mo months; PA perianal, SFT skinfold thickness, y years.

^a ‘Yes’ coded as 0, ‘no’ coded as 1.