Table 1.

Baseline participant characteristics in the full sample, and in the SIPsmartER intervention and MoveMore matched-contact comparison groups, rural Southwest Virginia, USA

Characteristic	Full sample (n 296)		SIPsmartER (n 151)		MoveMore (n 145)		Test statistic, P value†
	Mean or n	SD or %	Mean or n	SD or %	Mean or n	SD or %
Age (years), mean and SD	42·1	13·4	41·7	13·4	42·4	13·3	t = −0·41 P = 0·68
Gender, n and %
Male	56	19	30	20	26	18	χ2 = 0·18
Female	240	81	121	80	119	82	P = 0·67
Race, n and %
Caucasian	275	93	137	91	138	95	χ2 = 2·22
African American	13	4	10	6	3	2	P = 0·14
More than one race	7	2·5	3	2	4	3
Other	1	0·5	1	1	0	0
Ethnicity, n and %
Hispanic/Latina	3	1	2	1	1	0·5	χ2 = 0·48 P = 0·79
Education level, n and %
≤High-school graduate	93	31	49	32·5	44	30	χ2 = 0·15
Some college or greater	203	69	102	67·5	101	70	P = 0·70
Annual household income, n and %
≤$US 14 999	126	43	69	46	57	39	χ2 = 6·89
$US 15 000–34 999	94	32	52	35	42	29	P = 0·08
$US 35 000–54 999	39	13	18	12	21	15
≥$US 55 000	37	12	12	8	25	17
Weight status
Weight (kg), mean and SD	90·6	25·4	90·7	26·4	90·4	24·3	t = 0·09 P = 0·93
BMI (kg/m2), mean and SD	33·0	9·1	33·3	9·3	32·7	9·0	t = 0·49 P = 0·62

^†The t test was used to compare group means; the χ² test was used to compare proportions across groups.