Table 4.
Shopping experiment: product combinations selected and amounts participants stated they were willing to spend (top‐up) or would save through their choices of products at different budgets
| Product cost for 28 items/uses (Range of possible monthly expenditure) | Monthly budget | N | No. of different product combinations chosen | Number (%) of participants selecting each combination, with gender breakdown (M = Male; F = Female) | Mean (SD)of savings (−)/top‐ups (+) from choices* at each budget | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 Pull‐ups (£75) | 3 T‐shaped/belted (£72) | 3 All‐in‐ones (£45) | 3 Inserts (£42) | 3 Washables (£15) | Mix of any 2 products (£ varies) | Mix of any 3 products (£ varies) | ||||||
| Day Select any 3 products | Pull‐ups: £25 T‐shaped/belted: £24 All‐in‐ones: £15 Inserts: £14 Washables: £5 (Range: £15 to £75) | £75 | 45M | 19 | 21 (28.4) 5M, 16F | 9 (12.2) 8M, 1F | 14 (18.9) 14M, 0F | 6 (8.1) 2M, 4F | 3 (4.1) 3M, 0F | 18 (24.3) | 3 (4.0) | −18.68 (17.52) |
| 29F | ||||||||||||
| £50 | 45M | 21 | 8 (10.8) 3M, 5F | 7 (9.5) 6M, 1F | 20 (27.0) 16M, 4F | 12 (16.2) 4M, 8F | 3 (4.1) 3M, 0F | 19 (25.7) | 5 (6.7) | +0.99 (14.87) | ||
| 29F | ||||||||||||
| £25 | 45M | 16 | 7 (9.6) 3M, 4F | 5 (6.8) 4M, 1F | 10 (13.7) 9M, 1F | 17 (23.2) 5M, 12F | 5 (6.8) 4M, 1F | 27 (37.0) | 2 (2.7) | +18.55 (17.16) | ||
| 28F | ||||||||||||
| 1 Pull‐ups (£24) | 1 T‐shaped/belted (£24) | 1 All‐in‐ones (£20) | 1 Inserts (£14) | 1 Washables (£8) | N/A | N/A | ||||||
| Night Select 1 product | Pull‐ups: £24 T‐shaped/belted: £24 Inserts: £20 All‐in‐ones: £14 Washables: £8 (Range: £8 to £24) | £24 | 45M | 5 | 21 (28.0) 2M, 19F | 8 (10.7) 6M, 2F | 8 (10.7) 8M, 0F | 9 (12.0) 3M, 6F | 29 (38.7) 26M, 3F | N/A | N/A | −7.73 (7.24) |
| 30F | ||||||||||||
| £16 | 45M | 5 | 9 (12.0) 2M, 7F | 4 (5.3) 3M, 1F | 18 (24.0) 9M, 9F | 12 (16.0) 2M, 10F | 32 (42.7) 29M, 3F | N/A | N/A | −1.87 (6.24) | ||
| 30F | ||||||||||||
| £8 | 45M | 5 | 7 (9.3) 2M, 5F | 4 (5.3) 3M, 1F | 15 (20.0) 3M, 12F | 9 (12.0) 2M, 7F | 40 (53.3) 35M, 5F | N/A | N/A | +4.99 (6.14) | ||
| 30F | ||||||||||||
N/A, not applicable; 1 month = 4 weeks; 1 product = pack of 28 disposable items or 28 uses of washables.
*Choices may have resulted in a ‘saving’ (i.e. spending less than the allotted budget) or necessitated ‘top‐ups’ by participants (i.e. using own money).