Table 4.

Associated factors selected in linear regression model

	Unstandardiazed coefficients		Standardiazed coefficients	t value	P value
	Beta	Std. error	Beta
Constant	6.361	1.002		6.347	0.000
Dry stool	0.608	0.133	0.246	4.569	0.000
Age	−0.147	0.064	−0.128	−2.296	0.022
BMI	−0.160	0.061	−0.146	−2.643	0.009
Irritability	0.299	0.135	0.120	2.211	0.028