Table 1 Percentage of patients with the various baseline demographic factors

Previous Pregnancy number

None = 51.3%

1 = 35.4%

2 = 12.4%

3 = 0.9%

(N = 59)

(N = 41)

(N = 14)

(N = 1)

Chronicity LBP

0-4 Weeks = 58.3%

4-12 Weeks = 30.4%

More than 12 Weeks = 11.3%

(N = 67)

(N = 35)

(N = 13)

History of LBP

No = 46%

Yes = 54%

(N = 53)

(N = 62)

Number of Prior LBP episodes

None = 36.5%

1 – 3 = 27.0%

4 or more = 36.5%

(N = 42)

(N = 31)

(N = 42)

LBP during previous pregnancy

No previous pregnancy = 53.0%

Yes = 27.0%

No = 20.0%

(N = 61)

N = 31)

(N = 23)

Location of LBP

LBP only = 32.2%

Pelvic pain only = 31.3%

Combination = 35.7%

(N = 37)

(N = 36)

(N = 41)

Work Status

Working = 71.3%

Off due to LBP = 10.4%

Not working = 18.3%

(N = 82)

(N = 12)

(N = 21)

Smoker

No = 96.5%

Yes = 3.5%

(N = 111)

(N = 4)

Exercise

Regular = 58.5%

Occasional = 18.4%

None = 22.8%

(N = 68)

(N = 21)

(N = 26)

Gestational Week Category

1^st Trimester = 5.3%

2^nd Trimester = 41.6%

3^rd Trimester = 53.1%

N = 6)

(N = 48)

(N = 61)