Table 3 Labour and delivery outcomes of women in the study
Pregnancy in prison (ii) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Birth in prison | Birth outside prison | Prison controls (iii) | Community controls (iv) | |||||||||
n | % | n | % | P value (v) | n | % | P value (v) | n | % | P value (v) | ||
Onset of labour | ||||||||||||
Spontaneous | 64 | 64.6 | 156 | 77.6 | 0.5 | 866 | 71.0 | 0.5 | 24064 | 61.5 | <0.0001 | |
Induced | 22 | 22.2 | 28 | 13.9 | 232 | 19.0 | 10116 | 25.9 | ||||
No labour | 13 | 13.1 | 17 | 8.5 | 122 | 10.0 | 4924 | 12.6 | ||||
Missing/not stated | 0 | 0 | 0 | 8 | 0.0 | |||||||
Total | 99 | 100.0 | 201 | 100.0 | 1220 | 100.0 | 39112 | 100.0 | ||||
Presentation at birth | ||||||||||||
Vertex | 88 | 88.9 | 180 | 89.6 | 0.06 | 1118 | 91.6 | 0.9 | 35533 | 90.8 | 0.21 | |
Non-vertex | 10 | 10.1 | 8 | 4.0 | 64 | 5.2 | 1581 | 4.0 | ||||
Missing/not stated | 1 | 1.0 | 13 | 6.5 | 38 | 3.1 | 1998 | 5.1 | ||||
Total | 99 | 100.0 | 201 | 100.0 | 1220 | 100.0 | 39112 | 100.0 | ||||
Method of birth | ||||||||||||
Normal vaginal | 66 | 66.7 | 162 | 80.6 | 0.10 | 897 | 73.5 | 0.8 | 23669 | 60.5 | <0.0001 | |
Instrumental vaginal | 2 | 2.0 | 11 | 5.5 | 67 | 5.5 | 5126 | 13.1 | ||||
Caesarean section | 28 | 28.3 | 25 | 12.4 | 243 | 19.9 | 10191 | 26.1 | ||||
Missing/not stated | 3 | 3.0 | 3 | 1.5 | 13 | 1.1 | 126 | 0.3 | ||||
Total | 99 | 100.0 | 201 | 100.0 | 1220 | 100.0 | 39112 | 100.0 | ||||