Table 1.

Descriptive statistics for the study population.

Variable (unit)	Total no. of records	Mean (SD)
Age (years)	401	25.66 (5.36)
Height (centimetres)	408	161.03 (6.78)
Weight (kilograms)	405	65.67 (9.37)
Gravidity	395	2.95 (2.13)
Symphysis-fundal height (centimetre)	400	37.76 (0.86)
Moulding (yes = 1, no = 0)	385	0.28 (0.37)
Sex of baby (male = 1, female = 0)	407	0.48 (0.50)
Birth weight (kilograms)	407	3.13 (0.47)
Apgar score at 5 mins	406	9.57 (0.72)
Pelvis height (centimetres)	402	6.97 (2.00)