Table 1

Characteristics of ELGA teenagers who were responders and non-responders

Responders (n=179)Non-responders (n=39)p Value
Values are numbers (percentages) of teenagers unless stated otherwise.
*Impairment level not known for five responders and five non-responders.
ELGA, Extremely low gestational age.
Birth weight (g)
    Mean (SD)1048 (209)1051 (229)
    <7509 (5)1 (3)0.46
    750–99965 (36)18 (46)
    ≥1000105 (59)20 (51)
Gestational age (weeks)
    Mean (SD)27.1 (1.1)26.9 (1.1)
    26 or less48 (27)13 (33)0.46
    2747 (26)12 (31)
    2884 (47)14 (36)
Sex
    Male85 (47)20 (51)0.80
    Female94 (53)19 (49)
Area of residence
    Northern region57 (32)1 (3)<0.001
    Scotland80 (45)24 (62)
    Oxford42 (23)14 (36)
Social Class when last seen (Oxford and Scotland only)n=122n=38
    Professional/semiprofessional29 (24)5 (13)0.021
    Skilled46 (38)7 (18)
    Semiskilled/unskilled15 (12)11 (29)
    Armed forces6 (5)3 (8)
    No paid employment26 (21)12 (32)
Impairment level when last seen* (Oxford and Scotland only)n=122n=38
    Normal or impairment without disability70 (60)18 (55)0.62
    Mild disability31 (26)8 (24)
    Moderate to severe disability16 (14)7 (21)