Main Article Content
This study was a pseudo-randomized controlled trial using multiple time series design with measurement before, during, and after the trial. Research objectives were: 1) to compare the average levels of dietary behavior and physical activity in week 9 among pregnant women in the intervention group and the control group; and 2) to compare the average levels of dietary behavior and physical activity in weeks 1, 5 and 9 among pregnant women in the intervention group (education program via social media). The sample comprised 44 pregnant women (20 to 34 years of age, with normal pre-pregnant BMI (18.5-24.9 kg/m2) and greater gestational weight
gain than recommended at 18 to 20 weeks; all received pregnancy care at Rajavithi Hospital. Instruments were: (1) the education program via social media including a set of messages along with a dietary behavior and physical activity manual for pregnant women; (2) Data Record Form; (3) a set of Dietary Behavior and Physical Activity questionnaires during pregnancy. Data were analyzed using descriptive statistics, one-way repeated ANOVA, and independent t-test.
Results of the study were as follows: 1. The average scores of the intervention group on dietary behavior and physical activity
were significantly higher than the control group (p<.001). 2. At week 9, the dietary behavior and physical activity average scores of the intervention
group were statistically significantly higher than the control group (p<.001). 3. At week 1, 5 and 9 the dietary behavior and physical activity average scores of the
intervention group were statistically significantly different (p<.001). 4. The average scores at week 9 were greater than week 5 and week 1 respectively
(p<.001); and the average scores at week 5 were higher than week 1 (p<.001).
Article published Is the copyright of the Journal of Health and Nursing Research (Boromarajonani College of Nursing, Bangkok) Cannot be republished in other journals
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