Table 3.

Social network members and quality of life outcomes

	N	Fact-B**	95% CI	Fact-G	95% CI	TOI-PFB	95% CI
Married*
Yes	1,846	Ref		Ref		Ref
No	1,348	−4.96	(−6.41, −3.52)	−3.90	(−5.04, −2.77)	−1.77	(−2.85, −0.69)
p-value		<0.001		<0.001		0.001
Close friends and relatives
>15	812	Ref		Ref		Ref
10-15	1,120	−2.46	(−4.09, −0.83)	−1.75	(−3.03, −0.47)	−1.26	(−2.48, −0.03)
6-9	664	−6.20	(−8.06, −4.34)	−4.94	(−6.41, −3.48)	−3.32	(−4.72, −1.92)
0-5	598	−10.54	(−12.48, −8.60)	−8.86	(−10.39, −7.34)	−5.29	(−6.75, −3.83)
p-value, continuous		<0.001		<0.001		<0.001
Any church participation
Yes	2,230	Ref		Ref		Ref
No	964	−1.78	(−3.20, −0.37)	−1.42	(−2.54, −0.30)	−0.90	(−1.96, 0.15)
p-value		0.01		0.01		0.09
Any volunteering
Yes	825	Ref		Ref		Ref
No	2,369	−1.90	(−3.39, −0.42)	−1.43	(−2.60, −0.26)	−1.29	(−2.40, −0.19)
p-value		0.01		0.02		0.02

^*Multivariate-adjusted models adjusted for age (continuous), race/ethnicity (White (ref), African-American, Hispanic, Asian, other), education (<HS, HS, <college, college degree or greater), income (<$25K, $25-<$70K, $70K+(ref)), stage (I (ref), II, III, IV), estrogen receptor status (positive, negative (ref)), nodal status (positive, negative (ref)), surgery type (mastectomy (ref), lumpectomy, other), chemotherapy (yes, no (ref)), hormonal treatment (yes, no (ref)), radiation (yes, no (ref)), menopausal status (postmenopausal, premenopausal (ref)), parity (0, 1-2, 3 or more), comorbidity (any comorbidity defined by Charlson index, no (ref)), body mass index (BMI<25 (ref), 25-<30, 30+ kg/m2), smoking (never (ref), past, current), physical activity (quartiles, Q1=ref).

^**FACT-B=Functional Assessment Cancer Therapy-Breast; FACT-G=Functional Assessment Cancer Therapy-General; TOI-PFB=Trial Outcome Index-Physical/Functional/Breast