Table 2

Unstandardized coefficients, bootstrap SE and 95% CIs for mediation model of the association between lifetime abuse history and sum of pain medication side effects (n=3118)

	Unstandardized coefficient	Bootstrap SE	P value	95% CI
	Unstandardized coefficient	Bootstrap SE	P value	LL	UL
→FM survey criteria score
Child abuse only	2.92	0.37	< 0.001	2.198	3.647
Adult abuse only	3.13	0.66	< 0.001	1.829	4.427
Cumulative abuse	5.91	0.62	< 0.001	4.693	7.129
Age	−0.03	0.01	< 0.001	−0.047	−0.019
Female	0.99	0.22	< 0.001	0.561	1.412
→Pain catastrophizing
Child abuse only	3.53	0.60	< 0.001	2.363	4.699
Adult abuse only	2.94	1.08	0.006	0.823	5.055
Cumulative abuse	3.66	0.99	< 0.001	1.733	5.596
Age	−0.10	0.01	< 0.001	−0.122	−0.076
Female	−0.28	0.36	0.440	−0.988	0.430
→Sum of pain medication side effects
FM survey criteria score	0.12	0.01	< 0.001	0.100	0.140
Pain catastrophizing	0.02	0.01	< 0.001	0.011	0.032
Age	0.01	0.003	0.027	0.001	0.011
Female	0.15	0.08	0.079	−0.017	0.313
Covariate and lifetime abuse history covariance
FM survey criteria score↔pain catastrophizing	18.82	1.09	< 0.001	16.680	20.957
Child abuse only↔adult abuse only	−0.003	0.0004	< 0.001	−0.004	−0.002
Child abuse only↔cumulative abuse	−0.002	0.0003	< 0.001	−0.003	−0.002
Child abuse only↔age	−0.33	0.08	< 0.001	−0.486	−0.184
Child abuse only↔female	0.02	0.003	< 0.001	0.016	0.026
Adult abuse only↔cumulative abuse	−0.001	0.0001	< 0.001	−0.001	−0.0005
Adult abuse only↔age	−0.05	0.04	0.133	−0.126	0.017
Adult abuse only↔female	0.01	0.001	< 0.001	0.007	0.012
Cumulative abuse↔age	−0.09	0.03	0.003	−0.153	−0.031
Cumulative abuse↔female	0.01	0.001	< 0.001	0.007	0.011
Age↔female	−0.21	0.14	0.122	−0.486	0.057

Bold faced results are significant at p<0.05.
FM, fibromyalgia; LL, lower limit; UL, upper limit.