Table 6.

Depression characteristics by presence of physical pain (matched comparisons)

	Depressed without pain		Depressed with pain
	(N=333)		(N=333)
	n	%	n	%	p-value
Diagnosing physician					0.921
General internist	52	15.6%	50	15.0%
Psychiatrist	266	79.9%	266	79.9%
Other	15	4.5%	17	5.1%
Currently use prescription	260	78.1%	265	79.6%	0.635
Depression severity (self-rated)					0.184
Mild	128	38.4%	110	33.0%
Moderate	156	46.8%	159	47.7%
Severe	49	14.7%	64	19.2%
Depression severity (PHQ-9; n=194; 177)					<0.001
None	42	21.6%	11	6.2%
Mild	48	24.7%	45	25.4%
Moderate	44	22.7%	38	21.5%
Moderately severe	33	17.0%	41	23.2%
Severe	27	13.9%	42	23.7%
Problems made it hard to work/function (PHQ-9; n=180; 175)					0.088
Not difficult at all	28	15.6%	16	9.1%
Somewhat difficult	102	56.7%	96	54.9%
Very difficult	33	18.3%	34	19.4%
Extremely difficult	17	9.4%	29	16.6%
	Mean	SD	Mean	SD	p-value
Length of depression diagnosis (years)	7.0	6.7	6.8	6.5	0.742
PHQ-9 total score (n=198; 175)	11.1	7.3	14.3	7.1	<0.001

Note: p-values for comparison of frequencies are from omnibus Pearson chi-square test; p-values for comparison of means are from t-test.