Age (years)

32.3 ± 4.9

Parity

Primiparous

23 (41.8)

Multiparous

32 (58.2)

Working (first trimester)

Yes

44 (80.0)

No

11 (20.0)

Presence of LBPP before pregnancy

Yes

25 (45.5)

No

30 (54.5)

Past history of LBPP in previous pregnancy (n = 32)

Yes

19 (59.4)

No

13 (40.6)