Socio-demographic background
| | | | | | |
Age (years), mean (SD)
|
26.5 (4.7)
|
27.7 (4.6)
|
28.1 (5.1)
|
26.5 (4.8)
|
27.6 (4.6)
|
28.3 (5.0)
|
Born in Sweden (%)
|
91.3
|
89.8
|
90.7
|
91.3
|
89.7
|
90.2
|
Higher education (%)
|
35.0
|
45.5
|
53.5
|
35
|
44.8
|
54.2
|
Solo parent (%)
|
15.2
|
19.4
|
15.8
|
14.5
|
18.4
|
15.7
|
Smoking 3 months prior to admission to antenatal clinic (%)
|
26.7
|
23.1
|
20.5
|
23.0
|
19.5
|
19.7
|
Body mass index in early pregnancy, mean (SD)
|
24.7 (4.8)
|
24.2 (3.9)
|
25.1 (4.1)
|
24.4 (5.0)
|
24.2 (3.8)
|
24.9 (4.1)
|
Previous acupuncture experience
| | | | | | |
Yes, for pain (%)
|
17.1
|
23.8
|
14.5
|
17.1
|
24.1
|
13.7
|
Yes, for other than pain (%)
|
17.1
|
15.3
|
13.3
|
17.1
|
15.5
|
12.5
|
Status at admission to labour ward
| | | | | | |
Gestational week, mean
|
40 + 0
|
40 + 0
|
40 + 0
|
40 + 0
|
39 + 6
|
40 + 0
|
Undiagnosed breach presentation (%)
|
0
|
0
|
1
|
0
|
0
|
1.2
|
Cervix dilatation (cm), mean (SD)
|
3.6 (1.6)
|
4.0 (1.7)
|
3.6 (1.7)
|
3.6 (1.5)
|
4 (1.6)
|
3.6 (1.8)
|
Rupture of membranes (%)
|
30.1
|
28.4
|
33.3
|
30.5
|
28.7
|
33.3
|
Pharmacological pain relief prior to recruitment, except for paracetamol (%)
|
4.0
|
2.9
|
11.9
|
2.4
|
3.4
|
8.4
|
Treatment with oxytocin at the time point of allocation (%)
|
1.0
|
1.9
|
1.0
|
1.2
|
2.3
|
0
|
Infant
| | | | | | |
Head circumference (cm), mean (SD)
|
35.0 (1.4)
|
35.0 (1.3)
|
35.0 (1.3)
|
34.9 (1.4)
|
34.9 (1.3)
|
35 (1.3)
|
Birth weight (grams), mean (SD)
|
3509 (408)
|
3593 (451)
|
3656 (488)
|
3508 (410)
|
3590 (456)
|
3654 (493)
|