Table 4 Structural self-interaction...

Table 4

Structural self-interaction matrix

Key barriers	10	9	8	7	6	5	4	3	2
1: Lack of good quality items for donation	D	D	D	D	B	D	D	D	D
2: Lack of information on what items can be accepted by charity shops	D	D	D	D	B	C	B	C
3: Lack of awareness of charity shops' mission	D	D	D	A	C	C	C
4: Lack of awareness of the impact that donation makes	D	D	D	A	C	B
5: Lack of familiarity with the donation process	D	D	D	A	C
6: Lack of information on how charity shops make use of donations	D	D	D	A
7: Difficulty of being available for charity shops' free pick-up services	D	D	D
8: Difficulty of travelling to shops during opening hours	B	B
9: Difficulty of parking to access charity shops	D
10: Living too far away to donate to charity shops

Key barriers	10	9	8	7	6	5	4	3	2
1: Lack of good quality items for donation	D	D	D	D	B	D	D	D	D
2: Lack of information on what items can be accepted by charity shops	D	D	D	D	B	C	B	C
3: Lack of awareness of charity shops' mission	D	D	D	A	C	C	C
4: Lack of awareness of the impact that donation makes	D	D	D	A	C	B
5: Lack of familiarity with the donation process	D	D	D	A	C
6: Lack of information on how charity shops make use of donations	D	D	D	A
7: Difficulty of being available for charity shops' free pick-up services	D	D	D
8: Difficulty of travelling to shops during opening hours	B	B
9: Difficulty of parking to access charity shops	D
10: Living too far away to donate to charity shops

Note(s): Four symbols (A, B, C, D) are used to denote the direction of the relationship between barriers (i and j) i < j;

A: If “i” is a predictor of “j”.

B: If “j” is a predictor of “i”.

C: If “i” and “j” predict each other.

D: If no relationship exists

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