Development and psychometric testing of a new instrument to measure factors influencing women’s breast cancer prevention behaviors (ASSISTS)

Khazaee-Pool, Maryam; Majlessi, Fereshteh; Montazeri, Ali; Pashaei, Tahereh; Gholami, Ali; Ponnet, Koen

doi:10.1186/s12905-016-0318-2

Table 4 Item-scale correlation matrix for the seven ASSISTS measures (n = 180)

From: Development and psychometric testing of a new instrument to measure factors influencing women’s breast cancer prevention behaviors (ASSISTS)

ASSISTS dimensions
	SS	SE	SC	SM	ST	IS	AT
SS (item number)
Item 10	0.56	0.45	0.41	0.04	0.31	0.23	0.13
Item 11	0.74	0.25	0.22	−0.02	0.18	0.21	0.15
Item 12	0.57	−0.16	−0.09	−0.03	−0.11	−0.04	0.03
Item 13	0.50	0.07	−.008	0.15	−0.02	0.13	0.05
Item 14	0.48	0.19	0.10	−0.007	0.11	0.30	0.17
SE (item number)
Item 7	0.14	0.67	0.20	0.13	0.10	0.24	0.13
Item 8	0.004	0.60	0.17	0.07	0.13	0.13	0.21
Item 9	0.17	0.61	0.18	0.05	0.25	0.21	0.24
SC (item number)
Item 24	0.03	0.1	0.31	−0.04	0.02	0.07	0.008
Item 25	0.03	0.06	0.36	0.16	−0.06	−0.02	−0.15
Item 26	−0.03	−0.04	0.21	0.22	0.01	−0.05	−0.07
Item 27	0.06	0.13	0.29	0.07	0.02	0.12	−0.06
Item 28	0.12	0.06	0.33	−0.02	−0.08	0.00	0.01
Item 29	0.05	0.01	0.35	−0.19	0.06	0.09	0.28
Item 30	0.03	0.32	0.28	−0.05	0.18	0.09	0.23
SM (item number)
Item 31	0.12	0.07	0.08	0.42	0.04	−0.11	0.04
Item 32	−0.07	0.04	0.06	0.47	0.03	0.15	0.06
Item 33	−0.01	0.06	−0.06	0.45	0.04	0.07	−0.03
MO (item number)
Item 4	0.05	0.001	0.02	−0.08	0.29	0.08	0.07
Item 5	−0.01	0.18	0.06	0.02	0.37	0.14	0.02
Item 6	0.09	0.11	−0.02	0.15	0.49	0.01	0.16
IS (item number)
Item 15	−0.04	0.15	0.07	0.05	−0.03	0.41	0.17
Item 16	0.06	0.04	−0.05	0.08	0.18	0.37	0.04
Item 17	0.23	0.15	0.05	−0.08	0.21	0.43	0.21
Item 20	0.13	0.13	0.13	0.05	−0.02	0.31	0.02
AT (item number)
Item 1	−0.05	0.08	0.13	0.13	0.09	0.04	0.51
Item 2	0.09	0.28	0.06	0.16	0.18	0.21	0.61
Item 3	0.12	0.26	0.08	0.03	0.17	0.13	0.53
Item 18	0.1	0.11	−0.03	−0.05	0.07	0.16	0.30
Item 19	0.1	0.18	0.14	0.00	0.06	0.06	0.33
Item 21	0.09	0.07	−.03	0.20	0.09	0.21	0.42
Item 22	0.03	−0.05	0.06	−0.07	−0.07	0.06	0.43
Item 23	0.16	0.14	−0.02	−0.10	0.14	0.14	0.41

Note: SS supportive systems, SE self-efficacy, SC self-care, SM stress management, MO motivation, IS information seeking, AT attitudes
Note: The bold data reflect the higher item-scale correlation for the seven structures of ASSISTS questionnaire

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