. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: Obesity (Silver Spring). 2020 May 22;28(7):1224–1234. doi: 10.1002/oby.22817

Table 1.

Baseline characteristics of trial participants’ social network members

Characteristic	Overall					Very Close Relationship					Spatially Close
	Intervention		Control		p-value	Intervention		Control		p-value	Intervention		Control		p-value
	n	Mean (SD) or %	n	Mean (SD) or %	p-value	n	Mean (SD) or %	n	Mean (SD) or %	p-value	n	Mean (SD) or %	n	Mean (SD) or %	p-value
Age	270	49.1 (16.6)	186	45.1 (14.0)	0.007^a	155	47.6 (17.5)	88	44.7 (15.3)	0.202^a	13 8	50.9 (16.4)	12 4	46.7 (14.2)	0.027^a
Weight (kg)	273	81.0 (19.3)	188	83.3 (19.1)	0.202^b	160	81.3 (19.7)	88	87.0 (20.7)	0.051^b	13 9	82.9 (19.5)	12 8	84.2 (19.3)	0.667^b
BMI	244	29.2 (6.6)	155	29.9 (6.7)	0.286^b	142	28.8 (6.3)	76	30.5 (7.1)	0.119^b	12 6	29.5 (6.2)	10 6	30.3 (6.8)	0.486^b
Sex
Male	50	17.9	32	16.6	0.805^c	40	24.5	25	27.5	0.654^c	30	21.4	26	19.8	0.766^c
Female	229	82.1	161	83.4	0.805^c	123	75.5	66	72.5	0.654^c	11 0	78.6	10 5	80.2	0.766^c
Education
High school or less	107	38.2	63	32.6	0.657^c	71	43.3	32	35.2	0.218^c	63	44.4	43	32.8	0.256^c
Associate degree	64	22.9	47	24.4		36	22.0	17	18.7		34	23.9	36	37.5
Bachelor’s degree	63	22.5	49	25.4		36	22.0	31	34.1		25	17.6	27	20.6
Postgraduate degree	46	16.4	34	17.6		21	12.8	11	12.1		20	14.1	25	19.1
Relationship Status
In a relationship	204	72.6	150	77.7	0.237^c	121	73.8	73	80.2	0.285^c	10 3	72.5	10 1	77.1	0.406^c
Not in a relationship	77	27.4	43	22.3	0.237^c	43	26.2	18	19.8	0.285^c	39	27.5	30	22.9	0.406^c
Employment Status
Employed	188	67.1	149	77.2	0.018^c	99	61.1	69	75.8	0.019^c	97	67.8	10 1	77.1	0.105^c
Not employed	92	32.9	44	22.8	0.018^c	63	38.9	22	24.2	0.019^c	46	32.2	30	22.9	0.105^c
Self-rated Health Status
Excellent or very good	157	55.9	89	46.1	0.106^c	90	54.9	43	47.3	0.484^c	80	55.9	57	43.5	0.115^c
Good	86	30.6	74	38.3		50	30.5	34	37.4		43	30.1	52	39.7
Fair or poor	38	13.5	30	15.5		24	14.6	14	15.4		20	14.0	22	16.8
Walking MET-minutes per week	277	702.0 (907.6)	196	660.9 (928.0)	0.171^b	159	708.8 (880.6)	90	676.4 (910.2)	0.391^b	14 0	778.6 (1023.1)	13 2	631.9 (938.4)	0.126^b
Moderate-to-vigorous Physical Activity MET-minutes per week	264	1440.7 (2029.0)	196	1142.6 (1851.9)	0.017^b	154	1540.3 (1932.6)	90	1478.5 (2426.2)	0.041^b	13 3	1566.2 (2225.3)	13 3	1114.0 (1944.0)	0.012^b
Total MET-minutes per week	260	2151.0 (2406.1)	194	1792.1 (2305.1)	0.026^b	150	2244.5 (2241.9)	88	2137.9 (2921.5)	0.057^b	13 2	2356.0 (2649.0)	13 2	1718.0 (2385.0)	0.015^b
REAP-S sum score	289	30.0 (4.7)	198	28.4 (5.3)	0.001^a	170	29.9 (4.6)	92	28.3 (5.3)	0.010^a	14 6	29.4 (5.3)	13 3	28.4 (5.3)	0.095^a
Relationship type between trial participants and social network members
Spouse	24	8.3	15	7.6	0.074^d	24	14.1	15	16.3	0880^c	19	13.0	14	10.5	0.722^c
Parent	13	4.5	13	6.6		13	7.6	11	12.0		7	4.8	6	4.5
Child	48	16.6	22	11.1		45	26.5	20	21.7		17	11.6	10	7.5
Other relatives	42	14.5	19	9.6		29	17.1	14	15.2		12	8.2	8	6.0
Friend	90	31.1	65	32.8		31	18.2	15	16.3		43	29.5	40	30.1
Coworker	29	10.0	36	18.2		7	4.1	4	4.3		29	19.9	36	27.1
Other^e	43	14.9	28	14.1		21	12.4	13	14.1		19	13.0	19	14.3

t-test;

Wilcoxon rank-sum test;

Fisher’s Exact Test;

Monte Carlo Estimate for Fisher’s Exact Test;

Included those who indicated two or more relationship types with trial participants; Significant p-values are indicated in bold; BMI: body mass index.