Skip to main content
. 2022 Apr 4;17(4):e0265200. doi: 10.1371/journal.pone.0265200

Table 1. Baseline demographic characteristics of child and primary caregiver.

Intervention Control All
Child (n = 285) (n = 56) (n = 341)
Categorical Variables
Sex of Child
Male 145 (51%) 29 (52%) 174 (51%)
Female 140 (49%) 27 (48%) 167 (49%)
Child’s Ethnicity
English/Welsh/Scottish/Northern Irish/British 215 (75%) 37 (66%) 252 (74%)
Any other White background 9 (3%) 4 (7%) 13 (4%)
White and Black Caribbean 2 (1%) 1 (2%) 3 (1%)
White and Black African 3 (1%) 1 (2%) 4 (1%)
White and Asian 5 (2%) 0 (0%) 5 (1%)
Any Other Mixed/Multiple ethnic group 6 (2%) 0 (0%) 6 (2%)
Indian 14 (5%) 6 (11%) 20 (6%)
Pakistani 19 (7%) 5 (9%) 24 (7%)
Bangladeshi 4 (1%) 0 (0%) 4 (1%)
Any other Asian background 2 (1%) 0 (0%) 2 (1%)
African 5 (2%) 1 (2%) 6 (2%)
Any other ethnic group please describe 1 (0%) 1 (2%) 2 (1%)
Premature
No 274 (96%) 53 (95%) 327 (96%)
Yes 9 (3%) 3 (5%) 12 (4%)
Missing Data 2 (1%) 0 (0%) 2 (1%)
Difficulties at birth
No 132 (46%) 26 (46%) 158 (46%)
Yes 153 (54%) 30 (54%) 183 (54%)
Continuous variables
Child’s age (weeks)
N (%) 285 (100%) 56 (100%) 341 (100%)
Mean (SD) 6.1 (2.1) 5.9 (2.2) 6.0 (2.1)
Median (IQR) 6 (4, 8) 6 (4, 8) 6 (4, 8)
Min., Max. 2, 11 2, 10 2, 11
Primary caregiver (n = 285) (n = 56) (n = 341)
Categorical Variables
Parent’s age group
18 to 21 9 (3%) 2 (4%) 11 (3%)
22 to 25 36 (13%) 7 (13%) 43 (13%)
26 to 30 88 (31%) 15 (27%) 103 (30%)
31 to 35 95 (33%) 21 (38%) 116 (34%)
36 and above 57 (20%) 11 (20%) 68 (20%)
Sex
Female 285 (100%) 56 (100%) 341 (100%)
Ethnicity
English/Welsh/Scottish/Northern Irish/British 218 (76%) 38 (68%) 256 (75%)
Any other White background 14 (5%) 4 (7%) 18 (6%)
Mixed/Multiple ethnic group 6 (2%) 2 (4%) 8 (2%)
Indian 15 (5%) 7 (13%) 22 (6%)
Pakistani 18 (6%) 3 (5%) 21 (6%)
Any other Asian background 7 (3%) 0 (0%) 7 (2%)
Any other ethnic group 7 (3%) 2 (4%) 9 (3%)
Highest qualification previously achieved
Post doctorate 8 (3%) 0 (0%) 8 (2%)
Masters’ degree 28 (10%) 8 (14%) 36 (11%)
Undergraduate degree e.g. BA or BSc 96 (34%) 14 (25%) 110 (32%)
A certificate or diploma in higher education 33 (12%) 5 (9%) 38 (11%)
A, AS or S levels 19 (7%) 7 (13%) 26 (8%)
O levels or GCSE: 5 or more 15 (5%) 6 (11%) 21 (6%)
O levels or GCSE: 4 or less 9 (3%) 3 (5%) 12 (4%)
Overseas qualifications 10 (4%) 2 (4%) 12 (4%)
Vocational qualifications 53 (19%) 8 (14%) 61 (18%)
None of these qualifications 14 (5%) 1 (2%) 15 (4%)
Missing Data 0 (0%) 2 (4%) 2 (1%)
Relationship status
Married and living together 184 (65%) 38 (68%) 222 (65%)
Cohabiting/living together 70 (25%) 12 (21%) 82 (24%)
Living together part of the time 4 (1%) 3 (5%) 7 (2%)
Separated 4 (1%) 0 (0%) 4 (1%)
A couple but not living together 13 (5%) 0 (0%) 13 (4%)
Dating 1 (0%) 1 (2%) 2 (1%)
Not in a relationship 9 (3%) 2 (4%) 11 (3%)
Continuous variables
Age
N (%) 285 (100%) 56 (100%) 341 (100%)
Mean (SD) 30.9 (5.1) 31.1 (5.0) 30.9 (5.0)
Median (IQR) 31 (28, 35) 32 (27, 34) 31 (28, 34)
Min., Max. 18, 43 20, 40 18, 43
Baseline weekly Income
N (%) 226 (79%) 43 (77%) 269 (79%)
Mean (SD) 733.1 (470.7 766.9 (454.4 738.5 (467.5
Median (IQR) 603 (400, 95 710 (400, 10 630 (400, 97
Min., Max. 0, 2500 151, 1850 0, 2500