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. 2017 Nov 27;12(11):e0188102. doi: 10.1371/journal.pone.0188102

Table 4. Physical activity level measured in MET-minutes/week and proportion of women meeting the recommended physical activity level at four measure points, for the normal weight and the overweight/obese participants, by randomization.

Normal weight
(n = 423)		 Overweight or obese
(n = 166)		 Comparing BMI categories
Outcome
 Time point
 Intervention groupc p Control groupd p p ¶¶ Intervention groupe p Control groupf p p¶¶ p ¶¶
IG CG
TPAa Inclusion 990 (480,1764) 1100 (443,1847) 0.85 924 (613,1835) 921 (399,1923) 0.61 0.83*
36 weeks 1200 (659,2013) 0.077 777 (375,1631) 0.014 0.003 990 (480,1762) 0.86 500 (153,1388) 0.057 0.069 0.41 0.31
6 months pp 1649 (998,2451) <0.001 1583 (1009,2563) <0.001 1.00 1268 (690,2285) 0.029 1620 (875,2678) 0.004 0.46 0.88 0.37
12 months pp 1195 (633,2169) 0.15 1328 (635,2234) 0.043 0.67 1435 (716,2490) 0.004 1136 (701,2405) 0.036 0.65 0.43 0.12
Walkinga Inclusion 462 (132,792) 396 (165,792) 0.77 495 (264,1139) 396 (198,899) 0.25 0.20*
36 weeks 462 (198,924) 0.29 396 (99,924) 0.81 0.33 429 (140,916) 0.55 347 (99,693) 0.39 0.74 0.28 0.57
6 months pp 792 (462,1386) <0.001 924 (396,1592) <0.001 0.97 660 (297,1386) 0.13 693 (462,1287) 0.005 0.29 0.089 0.67
12 months pp 495 (264,924) 0.074 512 (239,1155) 0.12 0.92 495 (248,990) 0.51 462 (198,1155) 0.24 0.77 0.74 0.89
MPAa Inclusion 240 (40,480) 240 (0,480) 0.41 240 (0,480) 160 (0,420) 0.28 0.19*
36 weeks 360 (120,600) 0.030 160 (0,480) 0.58 0.046 320 (0,480) 0.033 20 (0,480) 0.28 0.034 0.61 0.78
6 months pp 240 (0,720) 0.10 240 (0,480) 0.41 0.50 240 (0,480) 0.64 120 (0,480) 0.62 0.88 0.60 0.89
12 months pp 240 (0,480) 0.78 240 (0,480) 0.99 0.65 320 (0,480) 0.042 260 (120,630) 0.023 0.84 0.15 0.047
VPAa Inclusion 0 (0,480) 0 (0,480) 0.24 0 (0,460) 0 (0,420) 0.83 0.41*
36 weeks 0 (0,640) 0.82 0 (0,0) <0.001 0.005 0 (0,480) 0.82 0 (0,0) 0.095 0.44 0.99 0.11
6 months pp 240 (0,800) 0.13 240 (0,800) 0.010 0.53 80 (0,640) 0.007 0 (0,960) 0.028 0.50 0.32 0.26
12 months pp 0 (0,660) 0.73 200 (0,720) 0.036 0.19 320 (0,840) 0.004 280 (0,720) 0.16 0.58 0.058 0.80
p ¶¶gh p ¶¶gh
TPA
Adherentg 		Inclusion 1164 (636,1840) 0.16 891 (630,1396) 0.93
36 weeks 1238 (876,2013) 0.32 0.031 1158 (669,1782) 0.17 0.017
6 months pp 1617 (1019,2362) 0.009 0.48 1612 (1022,2837) 0.009 0.86
12 months pp 1004 (533,2384) 0.61 0.10 1107 (602,2170) 0.062 0.94
TPA Nonadherenth Inclusion 975 (400,1804) 0.29 975 (545,2078) 0.47
36 weeks 1082 (405,2166) 0.13 0.007 723 (198,1748) 0.29 0.54
6 months pp 1743 (1002,2482) <0.001 0.50 1155 (688,2396) 0.48 0.19
12 months pp 1455 (693,2373) 0.026 0.36 1508 (787,2384) 0.029 0.52
p¶¶¶ p¶¶¶ p¶¶¶¶ p¶¶¶ p¶¶¶ p¶¶¶
Meeting PA recommendationsb TPA Inclusion 69 65 0.38 76 64 0.093
36 weeks 78 0.049 59 0.21 <0.001 69 0.31 48 0.062 0.012
6 months pp 85 <0.001 89 <0.001 0.27 80 0.54 83 0.019 0.67
12 months pp 77 0.097 76 0.021 0.84 82 0.38 80 0.012 0.68

aValues are median with 1st and 3rd interquartile range

bValues in percent (%)

gAdherent; Intervention group participant attending ≥ 15 (median score) group-exercises

hNonadherent; Intervention group participant attending < 15 (median score) group-exercises

TPA; total physical activity; walking + moderate and vigorous physical activity

MPA; moderate intensity physical activity

VPA; vigorous intensity physical activity

PA; physical activity

pp; postpartum

Answered IPAQ-SF and included in the analysis

Normal weight

cintervention group: inclusion (203), gestational week 36 (175), 6 months postpartum (pp) (168), 12 months pp (150)

dcontrol group: inclusion (220), gestational week 36 (192), 6 months pp (178), 12 months pp (164)

Overweight/obese

eintervention group: inclusion (92), gestational week 36 (80), 6 pp (71), 12 months pp (62)

fcontrol group: inclusion (74), gestational week 36 (62), 6 months pp (53), 12 months pp (48)

¶ Change in PA level compared to time at inclusion /proportion meeting PA recommendations compared to time at inclusion (Wilcoxon Signed Ranked Test)

¶¶Difference in PA level compared to time at inclusion between intervention-and control group (Mann-Whitney U Test)

¶¶gh Difference in PA level compared to time at inclusion, between intervention-adherent/intervention-nonadherent-and control group (Mann-Whitney U Test for TPA)

*Difference in physical activity level at inclusion, between normal weight and overweight/obese participants (Mann-Whitney U Test for TPA)

¶¶¶ Change in proportions meeting PA recommendations of 600 MET-minutes/week compared to time of inclusion for TPA (MedCalc for Windows)

¶¶¶¶ Difference between intervention- and control group in proportions meeting PA recommendations of 600 MET-minutes/week for TPA (MedCalc for Windows)