Study child is mother’s first baby | 87 | (48) | 92 | (50) | 176 | (48) |
Mother’s age at birth of index child mean (SD) (years) | 29.5 | (5.9) | 29.7 | (5.9) | 29.6 | (5.8) |
Baby’s age at baseline (weeks) mean (SD) | 9.0 | (3.5) | 9.6 | (3.8) | 9.2 | (3.2) |
Mother defines ethnicity as “white” | 99 | (54) | 104 | (57) | 217 | (60) |
English not mother’s first language | 73 | (40) | 70 | (38) | 139 | (38) |
Mother is a lone parent | 53 | (29) | 47 | (26) | 89 | (25) |
Family lives in “public”housing | 127 | (69) | 126 | (69) | 257 | (71) |
Mother left full time education <16 years | 14 | (8) | 23 | (13) | 32 | (9) |
Weekly household income ⩽£200 | 90 | (56) | 95 | (56) | 169 | (54) |
Maternal depression mean (SD) —Edinburgh postnatal depression scale score† | 8.8 | (5.7) | 8.8 | (5.2) | 9.1 | (5.3) |
Mother smokes | 42 | (23) | 55 | (30) | 95 | (26) |
Baby “difficult” to care for | 18 | (11) | 16 | (9) | 33 | (10) |
Bottle feeding exclusively at baseline (9 weeks) | 68 | (37) | 69 | (38) | 126 | (35) |
Mother or child/ren have “special health needs”‡ | 26 | (14) | 32 | (17) | 54 | (15) |
Mother had “no support” in past month | 11 | (6) | 9 | (5) | 17 | (5) |