Use of a DVD to provide dietary and lifestyle information to pregnant women who are overweight or obese: a nested randomised trial

Table 3 Study outcomes by treatment group

Outcome	DVD Group (N = 541)	Standard Materials Group (N = 564)	Unadjusted Treatment Effect (95% CI)	Unadjusted P-value	Adjusted Treatment Effect (95% CI)	Adjusted P-value
Healthy Eating Index Score
28 weeks	73.22 (6.79)	73.47 (6.45)	−0.26 (−1.24, 0.73)	0.61	−0.12 (−1.10, 0.87)	0.82
36 weeks	73.60 (6.58)	72.34 (7.00)	1.26 (0.20, 2.31)	0.02	1.20 (0.16, 2.25)	0.02
Physical Activity
28 weeks	7040.20 (3968.84)	6967.30 (3943.89)	72.90 (−502.19, 648.00)	0.80	121.48 (−453.94, 696.90)	0.68
36 weeks	5756.54 (4062.39)	5865.81 (3858.77)	−109.27 (−698.64, 480.09)	0.72	−125.57 (−717.73, 466.59)	0.68
Total Gestational Weight Gain (kg)	9.09 (5.75)	9.66 (5.73)	−0.58 (−1.33, 0.18)	0.13	−0.58 (−1.30, 0.13)	0.11
Average Weekly Gestational Weight Gain (kg)	0.43 (0.29)	0.46 (0.28)	−0.02 (−0.06, 0.01)	0.23	−0.02 (−0.06, 0.01)	0.19
Increased knowledge of healthy food choices^*	201/285 (70.53%)	203/301 (67.44%)	1.05 (0.94, 1.17)	0.42	1.06 (0.95, 1.18)	0.30
Increased knowledge of exercise^*	224/285 (78.60%)	220/301 (73.09%)	1.08 (0.98, 1.18)	0.12	1.05 (0.96, 1.16)	0.28
Improved health during pregnancy^*	229/285 (80.35%)	228/301 (75.75%)	1.06 (0.88, 1.27)	0.53	1.05 (0.96, 1.14)	0.28

Values are mean (SD) and treatment effects are differences in means unless otherwise indicated.
^*Values are number (%) and treatment effects are relative risks.

ISSN: 1471-2393