Differential response effects of data collection mode in a cancer screening study of unmarried women ages 40–75 years: A randomized trial

Table 2 Participant characteristics by mode of data collection, Rhode Island, 2003–2005

	Assigned Mode						Choice of CASI
	CATI (n = 200)		SAMQ (n = 202)		CASI (n = 197)		CASI-I (n = 83)		CASI-D (n = 114)
Characteristic	n	%	n	%	n	%	n	%	n	%
Partner gender *
WPW	64	32.0	68	34.0	68	34.0	22	32.4*	46	67.7
WPM or NPP	136	34.1	134	33.6	129	32.3	61	47.3	68	52.7
Marital status
Never married	100	33.1	103	34.1	99	32.8	37	37.4	62	62.6
Previously married	100	33.7	99	33.3	98	33.0	46	46.9	52	53.1
Age in years
40–49	84	33.5	90	35.9	77	30.7	25	32.5	52	67.5
50–59	63	33.3	62	32.8	64	33.9	31	48.4	33	51.6
60–69	39	32.8	39	32.8	41	34.5	20	48.8	21	51.2
70–75	14	35.0	11	27.5	15	37.5	7	46.7	8	53.3
Level of formal education*
High school, some college, or technical training	80	33.9	77	32.6	79	33.5	42	53.2*	37	46.8
College degree or more	118	35.0	116	34.4	103	30.6	38	36.9	65	63.1
Working full-time or part-time*
No	54	32.3	55	32.9	58	34.7	38	65.5*	20	34.5
Yes	144	35.8	136	33.8	122	30.4	40	32.8	82	67.2
Hispanic ethnicity
Yes	6	26.1	8	34.8	9	39.1	5	55.6	4	44.4
No	192	35.2	183	33.5	171	31.3	74	43.3	97	56.7
Race*
Black, Native American, Biracial, Multiracial	54	40.0	39	28.9	42	31.1	28	66.7*	14	33.3
White	143	33.0	152	35.1	138	31.9	52	37.7	86	62.3
Source of recruitment*
Print media	47	36.2	45	34.6	38	29.2	11	29.0*	27	71.0
Community settings	30	30.9	38	39.2	29	29.9	17	58.6	12	41.4
Mailings/flyers	38	34.6	36	32.7	36	32.7	14	38.9	22	61.1
Personal networks	37	28.5	41	31.5	52	40.0	15	28.9	37	71.2
Health fair/other	48	36.4	42	31.8	42	31.8	26	61.9	16	38.1

SAMQ = Self-Administered Mailed Questionnaire; CATI = Computer Assisted Telephone Interview.
CASI = Computer Assisted Self Interview; CASI-I = In-person CASI; CASI-D = Mailed disk CASI.
WPW = Women who partner with women; WPM = Women who partner with men; NPP = No partnering preference.
Note: There were no significant differences across mode of data collection (CATI vs. SAMQ vs. CASI).
* Significant difference between types of CASI (in-person vs. mailed disk).

ISSN: 1471-2288