Table 2

Baseline characteristics of clusters and parents by arm

Characteristics

Intervention arm

Control arm


Primary healthcare centres, n

3

3


Childcare organisations, n

3

3


Mean healthcare centre parent list size

216

210


Mean childcare organisation parent list size

19

30


Mean Low Income Scheme Index scorea

10

11



Parents, n

71

71


Mean age ± SD, yrs

34.07 ± 5.43

34.06 ± 5.52


Ethnicity, n (%)

White British

68 (95.8%)

68 (95.8%)

Other

3 ( 4.2%)

3 ( 4.2%)


Marital status, n (%)

Single or living with partner

27 (38.0%)

13 (18.3%)

Married or re-married

40 (56.4%)

57 (80.2%)

Separated/Divorced/Widowed

4 .(5.6%)

1 (1.5%)


Relationship to eligible child, n (%)

Mother

67 (94.4%)

67 (94.4%)

Father

4 (5.6%)

4 (5.6%)


Education

Left school at 16 years

24 (33.8%)

25 (35.2%)

Left school at 18 years

10 (14.1%)

10 (14.1%)

Achieved Degree or higher

37 (52.1%)

36 (50.7%)


Have older child

Yes

36 (50.7%)

36 (50.7%)

No

35 (49.3%)

35 (49.3%)


First (youngest) child eligible, n (%) First dose MMR decision

23 (32.4%)

44 (62.0%)

Second dose MMR decision

48 (67.6%)

27 (38.0%)

Mean age ± SD of first (youngest) child eligible, months

25.73 ± 14.66

19.77 ± 11.69


Second youngest child eligible, n (%)

First dose MMR decision

1 ( 4%)

0 (0.00%)

Second dose MMR decision

24 (96%)

22 (100.0%)


Mean age ± SD of second youngest child eligible, months

50.56 ± 17.13

49.32 ± 21.41


Note. N = 12 clusters, N = 142 parents. aLow Income Scheme Index score is based on the percentage of prescribed items exempt from a prescription charge due to low income of the patient.

Jackson et al. BMC Public Health 2011 11:475   doi:10.1186/1471-2458-11-475

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