Table 2.

Clinical Characteristics of Respondents with or without Self-Reported Pain Conditions

N, weighted %	With Lifetime Self-Reported Pain (N=3391)		Without Lifetime Self-Reported Pain (N=2298)		P Value	χ²/F^*
Pain Type
Arthritis	1588	51.0%	…………………		………………	………….
Chronic back/neck problems	1905	54.7%	…………………		………………	………….
Frequent or severe headaches	1660	42.5%	…………………		………………	………….
Other chronic pain	706	17.9%	…………………		………………	………….
Number of chronic pain conditions, mean, ±SE	1.7	±0.02	…………………		………………	………….
Number of Non-Pain Chronic Conditions, Mean, ±SE	1.4	±0.03	0.8	0.03	<0.001	222.78
Mental Health/Substance Abuse
Mood or anxiety disorder
Lifetime	1928	39.1%	947	22.9%	<0.001	95.79
12-month	1147	22.8%	482	11.2%	<0.001	120.07
Alcohol or drug use disorder
Lifetime	710	16.3%	434	12.8%	0.005	7.73
12-month	144	3.5%	139	4.2%	0.23	1.42
Positive screen for borderline or antisocial personality traits	1208	27.4%	614	18.6%	<0.001	44.16
Psychological distress, mean K10 score^†, ±SE	13.4	±0.3	10.7	0.3	<0.001	51.01
Suicidality
Seriously considered
Lifetime suicidal ideation	912	19.3%	432	11.4%	<0.001	57.48
12 month	155	3.3%	74	1.8%	0.002	9.74
Made a suicide plan
Lifetime	366	7.2%	138	3.4%	<0.001	34.17
12 month	52	1.1%	16	0.4%	<0.001	11.89
Made an suicide attempt
Lifetime	331	6.6%	137	3.3%	<0.001	36.72
12 month	34	0.7%	15	0.3%	0.022	5.23

Degrees of freedom=1 for categorical variables; 1,42 (F test) for continuous variables

^†

Level of distress for the month in the past year when at worst, emotionally; scores range from 0–40, with higher scores indicative of greater distress