Effects of prenatal exercise on gestational weight gain, obstetric and neonatal outcomes: FitMum randomized controlled trial

Table 1 Maternal baseline characteristics

Characteristic	ALL	CON	EXE	MOT
*Number of participants*	n = *219*	n = 45	n = 87	n = 87
Age, years	31.5 ± 4.3	32.0 ± 4.6	31.1 ± 4.3	31.7 ± 4.1
Pre-pregnancy BMI, kg/m^2a	24.1 (21.8–28.7)	23.5 (21.3–26.8)	25.2 (21.6–29.8)	24.1 (22.4–28.9)
Gestational age, weeks (median)	12.9 (9.4–13.9)	12.9 (9.7–13.9)	12.6 (9.3–13.7)	12.9 (9.6–13.9)
Gestational age, weeks (mean)	11.7 ± 2.5	11.9 ± 2.6	11.7 ± 2.4	11.8 ± 2.4
Parity, nulliparous, n (%)	82 (37%)	16 (36%)	40 (46%)	26 (30%)
Education level, n (%)^b
School ≥ 12 years	191 (87%)	41 (91%)	74 (85%)	76 (87%)
Further education ≥ 3 years	175 (80%)	33 (73%)	73 (84%)	69 (79%)
Employed/studying, n (%)	199 (91%)	39 (87%)	83 (95%)	77 (89%)
Smoking, n (%)
During pregnancy	2 (1%)	0 (0%)	1 (1%)	1 (1%)
Quit smoking before pregnancy	27 (12%)	6 (13%)	12 (14%)	9 (10%)

Baseline characteristics in the randomization groups
Data are mean ± SD, median (IQR) and n (%). No statistical comparisons have been performed on baseline characteristics in accordance with CONSORT recommendations
CON Control, EXE Structured supervised exercise training, MOT Motivational counselling on physical activity, BMI Body mass index, SD Standard deviation, IQR Interquartile range
^a Pre-pregnancy BMI; n = 218 (CON; n = 45, EXE; n = 86, MOT; n = 87)
^b School ≥ 12 years corresponds to high school, and further education ≥ 3 years corresponds to university degree (bachelor or master level)

ISSN: 1471-2393