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Table 1 Mean and frequency distribution of demographic characteristics

From: The effectiveness of a Pilates exercise program during pregnancy on childbirth outcomes: a randomised controlled clinical trial

Variable Control group
(n = 52)
Intervention group
(n = 51)
Mean ± SD Mean ± SD
Age 23.81 ± 4.30 25.16 ± 4.41
BMI (kg/m2) 22.38 ± 1.52 22.71 ± 1.57
Gestation age (weeks) at study entry 26.67 ± 0.73 26.71 ± 0.78
  Frequency (percentage) Frequency (percentage)
Educational attainment Did not finish high school 9 (17.3) 10 (19.6)
Finished high school 24 (46.2) 22 (43.1)
University education 19 (37.3) 19 (36.5)
Employment status Employed 3 (5.8) 4 (7.8)
Not employed 49 (94.2) 47 (92.2)