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Table 1 Characteristics of the studied women

From: Different types of low back pain in relation to pre- and post-natal maternal depressive symptoms

Ā 

Without LBP (nā€‰=ā€‰242)

LP (nā€‰=ā€‰68)

PPP (nā€‰=ā€‰142)

CP (nā€‰=ā€‰32)

P value

Age (Meanā€‰Ā±ā€‰SD) (years)

27.4ā€‰Ā±ā€‰4.5

26.8ā€‰Ā±ā€‰4.2

27.8ā€‰Ā±ā€‰4.7

28.4ā€‰Ā±ā€‰3.9

0.297

BMI (Meanā€‰Ā±ā€‰SD) (kg/m2)

26.0ā€‰Ā±ā€‰1.2

26.2ā€‰Ā±ā€‰1.3

25.7ā€‰Ā±ā€‰1.8

25.8ā€‰Ā±ā€‰1.6

0.079

Educational Levels (ā‰„ā€‰high school/university) (N,%)

132(54.5%)

32(47.1%)

80(56.3%)

14(43.8%)

0405

Household annual income (Dollars)

1400.5ā€‰Ā±ā€‰600.3

1498.5ā€‰Ā±ā€‰580.3

1540.5ā€‰Ā±ā€‰612.3

1389.5ā€‰Ā±ā€‰670.3

0.140

Caesarean delivery (N, %)

26(10.7%)

9(13.2%)

18(12.7%)

6(18.8%)

0.609

Breast-feeding (N, %)

212(87.6%)

58(85.3%)

122(85.9%)

24(75%)

0.290

Unexpected gender of the baby (N, %)

25(10.3%)

9(13.2%)

18 (12.7%)

5(15.6%)

0.755

Primigravida (N, %)

168(69.4%)

48(70.6%)

103(72.5%)

22(68.9%)

0.927

Sick leaveā€‰ā‰„ā€‰90 days (N, %)

32(13.2%)

13(19.1%)

23(16.2%)

4(12.5%)

0.610

Large amount of physical demand (Twisting/lifting movements) (N, %)

52(21.5%)

30(44.1%)

34(23.9%)

9(28.1%)

0.002*

LBP in previous pregnancy (N, %)

80(33.1%)

39(57.4%)

76(53.5%)

19(59.4%)

< 0.001*

  1. P values from ANOVA, Kruskal-Wallis or Chi test. All original 2-tailed P values were multiplied by 6 (Bonferroni correction). *indicates statistically significant. LBPĀ Low Back Pain, LPā€‰Lumbar Pain, PPPā€‰Posterior Pelvic Pain, CPā€‰Combined Pain, SDā€‰Standard Deviation, BMIā€‰Body Mass Index