| 1st trimester (baseline) | 2nd trimester (follow-up) | 3rd trimester (follow-up) | βintervention (SE) | P-value |
---|---|---|---|---|---|
SED | |||||
 SED total, hr/day | |||||
  Intervention | 10.42 (0.28) | 9.69 (0.29) | 9.62 (0.29) | -0.84 (0.36) | 0.019 |
  Control | 10.52 (0.40) | 10.66 (0.37) | 10.38 (0.34) | ref. |  |
 SED30, hr/day | |||||
  Intervention | 6.34 (0.36) | 5.30 (0.37) | 5.20 (0.42) | -0.99 (0.40) | 0.014 |
  Control | 5.98 (0.61) | 5.96 (0.62) | 5.91 (0.61) | ref. |  |
 SED60, hr/day | |||||
  Intervention | 3.82 (0.39) | 2.56 (0.32) | 2.44 (0.41) | -1.05 (0.39) | 0.008 |
  Control | 3.26 (0.59) | 3.30 (0.61) | 2.95 (0.55) | ref. |  |
Activity | |||||
 Standing, hr/day | |||||
  Intervention | 2.79 (0.20) | 3.43 (0.26) | 3.81 (0.26) | 0.77 (0.26) | 0.003 |
  Control | 2.74 (0.29) | 2.80 (0.28) | 2.81 (0.31) | ref. |  |
 Stepping, hr/day | |||||
  Intervention | 1.14 (0.09) | 1.50 (0.11) | 1.48 (0.13) | 0.20 (0.13) | 0.132 |
  Control | 1.38 (0.18) | 1.46 (0.17) | 1.41 (0.19) | ref. |  |
 Stepping75, min/day | |||||
  Intervention | 16.17 (2.84) | 22.84 (3.83) | 21.16 (3.79) | 2.61 (3.78) | 0.491 |
  Control | 18.47 (3.87) | 21.40 (5.05) | 21.33 (4.18) | ref. |  |
 Stepping100, min/day | |||||
  Intervention | 9.76 (2.22) | 12.82 (2.45) | 10.18 (2.39) | -0.79 (2.41) | 0.745 |
  Control | 10.55 (3.02) | 12.10 (3.86) | 13.13 (3.18) | ref. |  |
 Steps per day | |||||
  Intervention | 5224 (502) | 6929 (553) | 6777 (656) | 710 (627) | 0.257 |
  Control | 6268 (895) | 6775 (913) | 6479 (919) | ref. |  |