Mode of Delivery according to Leisure Time Physical Activity before and during Pregnancy: A Multicenter Cohort Study of Low-Risk Women

Table 2

Physical activity levels the year before pregnancy and mode of delivery according to maternal characteristics. The Danish Dystocia Study, 2004-2005. .

Characteristics	Physical activity the year before pregnancy		Mode of delivery
	Any physical activity	Sedentary	Spontaneous vaginal delivery	Vacuum extractor	Emergency C-section
Total	2304 (94.6)	131 (5.4)	1854 (76.1)	369 (15.2)	212 (8.7)
Maternal age (years)
<25	375 (96.2)	15 (3.9)	317 (81.3)	42 (10.8)	31 (8.0)
25–29	1132 (93.9)	73 (6.1)	935 (77.6)	177 (14.7)	93 (7.7)
30–34	635 (94.4)	38 (5.7)	480 (71.3)	126 (18.7)	67 (10.0)
≥35	162 (97.0)	5 (3.0)	122 (73.1)	24 (14.4)	21 (12.6)
Educational level after secondary education
<3 years	781 (92.5)	63 (7.5)	619 (73.3)	144 (17.1)	81 (9.6)
3-4 years	731 (95.9)	31 (4.1)	587 (77.0)	102 (13.4)	73 (9.6)
>4 years	361 (96.0)	15 (4.0)	282 (75.0)	69 (18.4)	25 (6.7)
Never commenced/interrupted training studying	177 (94.7)	10 (5.4)	141 (75.4)	26 (13.9)	20 (10.7)
	254 (95.5)	12 (4.5)	225 (84.6)	28 (10.5)	13 (4.9)
Body mass index
<18.5	107 (98.2)	2 (1.8)	90 (82.6)	15 (13.8)	4 (3.7)
18.5–24.99	1685 (95.3)	8 (4.8)	1357 (76.7)	268 (15.2)	144 (8.1)
25–30	374 (95.9)	16 (4.1)	288 (73.9)	60 (15.4)	42 (10.8)
>30	138 (82.6)	29 (17.4)	119 (71.2)	26 (15.6)	22 (13.2)
Smoking (cigarettes)
No smoking	2085 (95.1)	107 (4.9)	1675 (76.4)	331 (15.1)	186 (8.5)
1–10 per day	165 (93.2)	12 (6.8)	126 (71.2)	28 (15.8)	23 (13.0)
11–20 per day	54 (81.8)	12 (18.2)	53 (80.3)	10 (15.2)	3 (4.6)
Working
Physically demanding	791 (97.1)	24 (2.9)	602 (73.9)	129 (15.8)	84 (10.3)
Not physically demanding	891 (93.4)	63 (6.6)	733 (76.8)	141 (14.8)	80 (8.4)

= 666.
C-section = caesarean section.