Table 3.
Percentage of participants who have a positive preference for a mandatory vaccine scheme attribute.
| Attribute | Level | Preference mean difference (standard error) | % who prefer this level (95% CI) | p-level | Relative importance |
|---|---|---|---|---|---|
| Vaccine | MMR | Reference | 10·5% | ||
| 6-in-1 | 0·13 (0·03) | 58·2 (54·6 to 61·7) | <0·001 | ||
| Child age group | 2 years and older | Reference | 11·4% | ||
| 5 years and older | -0·14 (0·03) | 42·6 (39·4 to 45·9) | <0·001 | ||
| Incentive | No incentive | Reference | 30·7% | ||
| Incentive for child (£130 voucher) | 0·32 (0·03) | 74·8 (71·0 to 78·3) | <0·001 | ||
| Incentive for parent (£130 cash pay-out) | 0·39 (0·03) | 80·9 (76·3 to 85·0) | <0·001 | ||
| Incentive for child (£130 voucher) Incentive for parent (£130 cash pay-out) |
0·06 (0·03) | Reference 56·3 (50·0 to 62·4) |
0·05 | ||
| Penalty | £450 fine | Reference | 25·4% | ||
| Parent not able to claim Child Benefits for child until they are vaccinated | 0·29 (0·03) | 67·6 (63·6 to 71·4) | <0·001 | ||
| Child not able to attend school or childcare / day care until they are vaccinated | 0·32 (0·03) | 69·5 (65·7 to 73·1) | <0·001 | ||
| Child not able to attend school / day care until they are vaccinated Parent not able to claim Child Benefits for child until they are vaccinated |
-0·04 (0·03) | Reference 47·5 (42·8 to 52·2) |
0·30 | ||
| Ability to opt out | Medical exemption | Reference | 4·0% | ||
| Medical and religious belief exemption | -0·05 (0·03) | 45·5 (41·1 to 50·0) | 0·05 | ||
| Compensation scheme | Not offered | Reference | 18·1% | ||
| Offered | 0·23 (0·03) | 66·4 (62·7 to 69·8) | <0·001 | ||
Model fit summary statistics. Log likelihood = -10,313·87, Likelihood Ratio Test = 1,030·58, p < 0·0001, Akaike's Information Criterion = 20,661·73.