Table 1

Risk factors for FNP enrolment among mothers aged 13–19 years at last menstrual period, living in a local authority with an active FNP site at the time of first antenatal appointment (England, births between April 2010 and March 2017)

N eligible mothersN enrolled in FNP% enrolled in FNPCrude OR (95% CI)Adjusted* OR (95% CI)
Total110 52025 67523.2
Maternal age at birth
13–152380 (2.2)124052.14.62 (4.24 to 5.02)2.65 (2.39 to 2.94)
16–1722 725 (20.6)872038.42.50 (2.42 to 2.59)1.80 (1.72 to 1.87)
18–1961 090 (55.3)12 87521.11 (ref)1 (ref)
20†24 325 (22.0)284011.70.48 (0.46 to 0.50)0.56 (0.53 to 0.59)
Ethnicity
White93 730 (84.8)21 84523.31 (ref)1 (ref)
South Asian3170 (2.9)53516.90.55 (0.49 to 0.61)0.74 (0.67 to 0.83)
Black3970 (3.6)119530.11.18 (1.09 to 1.28)1.31 (1.21 to 1.43)
Mixed/other5695 (5.2)133523.40.89 (0.83 to 0.95)0.97 (0.90 to 1.04)
Unknown3950 (3.6)77019.50.69 (0.63 to 0.75)0.84 (0.77 to 0.92)
Index of Multiple Deprivation (quintile)
Least deprived5550 (5.0)113520.50.80 (0.74 to 0.87)0.85 (0.78 to 0.92)
28565 (7.7)182021.20.91 (0.86 to 0.98)0.95 (0.88 to 1.01)
314 835 (13.4)333022.41 (ref)1 (ref)
427 520 (24.9)643023.41.07 (1.02 to 1.13)1.02 (0.97 to 1.08)
Most deprived53 905 (48.8)12 82023.81.19 (1.14 to 1.25)1.07 (1.01 to 1.12)
Unknown145 (0.1)145100
Admission with diagnoses within 2 years before 20 weeks of pregnancy
Mental health (excluding substance misuse and self-harm)2420 (2.2)95539.52.20 (2.03 to 2.40)1.41 (1.27 to 1.57)
Adversity related (self-harm, substance misuse, violence)4460 (4.0)177039.72.34 (2.20 to 2.50)1.24 (1.13 to 1.36)
Any chronic condition9580 (8.7)317033.11.74 (1.66 to 1.83)1.16 (1.09 to 1.25)
A&E visit68 965 (62.4)17 81525.81.48 (1.43 to 1.53)1.29 (1.25 to 1.34)
Gestational age at antenatal booking appointment
Before 10 weeks29 390 (26.6)681023.21 (ref)1 (ref)
10–20 weeks40 640 (36.8)954023.50.93 (0.90 to 0.97)0.90 (0.87 to 0.94)
20 weeks or more6095 (5.5)151524.90.93 (0.87 to 0.99)0.77 (0.71 to 0.82)
Unknown34 390 (31.1)781522.70.92 (0.89 to 0.96)0.81 (0.78 to 0.85)
Linked to NPD
Linked to NPD92 260 (83.5)22 98024.91 (ref)1 (ref)
Not linked to NPD17 405 (15.7)257014.80.46 (0.44 to 0.48)0.86 (0.81 to 0.92)
Linked to NPD but not to NPD census855 (0.8)12514.60.47 (0.38 to 0.56)0.79 (0.64 to 0.96)
Ever had a child protection plan (CPP) or was looked after before 20 weeks of pregnancy
No CPP or looked after85 890 (77.7)19 86023.11 (ref)1 (ref)
Looked after (CPP)5540 (5.0)244544.12.60 (2.46 to 2.76)1.92 (1.81 to 2.04)
CPP, but not looked after1685 (1.5)80047.52.95 (2.67 to 3.26)1.62 (1.46 to 1.80)
Not linked to NPD17 405 (15.7)257014.80.51 (0.49 to 0.53)—‡
Ever recorded as having Special Educational Needs before 20 weeks of pregnancy
No45 270 (41.0)919020.31 (ref)1 (ref)
Yes46 990 (42.5)13 79029.31.61 (1.56 to 1.66)1.22 (1.18 to 1.27)
Not linked to NPD17 405 (15.7)257014.80.60 (0.57 to 0.63)—‡
Linked to NPD but not to NPD census855 (0.8)12514.60.61 (0.50 to 0.74)—‡
Ever recorded as receiving free school meals before 20 weeks of pregnancy
No41 455 (37.5)805019.41 (ref)1 (ref)
Yes50 805 (46.0)14 93029.41.69 (1.63 to 1.74)1.20 (1.16 to 1.24)
Not linked to NPD17 405 (15.7)257014.80.63 (0.60 to 0.66)—‡
Linked to NPD but not to NPD census855 (0.8)12514.60.64 (0.53 to 0.77)—‡
Ever in IDACI bottom decile before 20 weeks of pregnancy
No59 765 (54.1)13 760231 (ref)1 (ref)
Yes32 495 (29.4)922028.41.33 (1.29 to 1.38)1.05 (1.01 to 1.09)
Not linked to NPD17 405 (15.7)257014.80.52 (0.49 to 0.54)—‡
Linked to NPD but not to NPD census855 (0.8)12514.60.53 (0.43 to 0.64)—‡
Educational attainment before 20 weeks of pregnancy
Attempted but did not achieve 5 A*-C GCSEs69 345 (62.7)16 36523.61 (ref)1 (ref)
5 A*-C GCSEs16 960 (15.3)332019.60.77 (0.73 to 0.80)1.05 (1.00 to 1.10)
Not linked to NPD17 405 (15.7)257014.80.49 (0.47 to 0.52)—‡
Had not attempted GCSEs prior to 20 weeks of pregnancy6810 (6.2)342050.23.56 (3.38 to 3.75)1.54 (1.44 to 1.64)
Ever excluded, in pupil referral unit, or alternative provision
No65 620 (59.0)14 64022.31 (ref)1 (ref)
Yes28 105 (25.2)862030.71.55 (1.51 to 1.61)1.05 (1.01 to 1.08)
Not linked to NPD17 515 (15.8)259014.80.53 (0.51 to 0.56)—‡
Ever persistently absent in a term (≥10% possible sessions)
No58 100 (52.6)10 53318.11 (ref)1 (ref)
Yes35 535 (32.2)12 72535.82.71 (2.63 to 2.80)1.44 (1.39 to 1.50)
Not linked to NPD17 515 (15.8)259014.80.71 (0.67 to 0.74)—‡
  • Numbers have been rounded to the nearest 5 in accordance with NHS Digital’s statistical disclosure rules for subnational analyses.

  • *Adjusted models included all variables in the table as covariates.

  • †Includes only mothers aged 19 years at last menstrual period.

  • ‡Estimates omitted due to multicollinearity.

  • A&E, Accidents & Emergency; CPP, Child Protection Plan; FNP, Family Nurse Partnership; GCSE, General Certificate of Secondary Education; IDACI, Income Deprivation Affecting Children Index; NHS, National Health Service; NPD, National Pupil Database.