Table 2.

Univariate and Multivariable analyses predicting chronic constipation

	Univariate analyses				Multivariable analyses
Depression Severity	Unadjusted RR	Unadjusted 95% Cl		Unadjusted p-value	Adjusted RR*	Adjusted 95% Cl		Adjusted p-value
None	0.52	0.37	0.73	0.001	Omitted	Omitted		Omitted
Mild	2.04	1.31	3.15	0.003	1.79	1.08	2.95	0.027*
Moderate	1.55	0.93	2.56	0.086	0.95	0.44	2.04	0.890
Moderately severe to severe	1.90	.1.10	3.27	0.024	1.15	0.59	2.22	0.661

^*Multivariable analysis controlling for the following variables: gender, age (decade), race (white), higher education, living above poverty income, SSRI use, laxative use, obese BMI, vigorous physical activity, heavy/moderate alcohol drinker, high caffeine intake, frequent milk intake, highest quartile fiber intake, highest quartile liquid intake, highest quartile carbohydrates intake, highest quartile sugar intake, highest quartile protein intake, highest quartile fat intake, and total number of reported comorbidities.

^aAll multivariable models are mutually adjusted and included appropriate sampling weight. Bold text and asterisk indicate a statistically significant difference with a p-value<0.05

RR data for each co-variable have been published elsewhere^17,20 and are not reported here.

CI, confidence interval; RR, risk ratio.