Table 1 Demographic data of pregnant and non-pregnant women

Mean

SD

Mean

SD

p value

(range)

(range)

Age

34.95

6.02

29.71

3.88

< .001^a

(22–44)

(21–42)

Gestational weeks

23.17

7.17

(10–40)

n

%

n

%

p value

Married (including common–law marriage)

98

21.6%

414

92.0%

< .001^b

Educated up to 12 years

203

44.7%

233

51.8%

0.039 ^b

Full-time employment

226

49.8%

238

52.9%

0.350 ^b

Over 300 employees

135

29.7%

141

31.3%

0.614 ^b

Shift work

93

20.5%

106

23.6%

0.297 ^b

Having job position

43

11.3%

34

8.3%

0.186 ^b

Work more than 40 h a week

274

60.4%

250

55.6%

0.082 ^b