Table 2

Bivariate pre-post comparison of measured outcome variables by treatment group
Baseline sample (n = 86) Follow-up sample (n = 86)
Attitudes, %strongly agree Mean (%) 95% CI Control n = 38 (%) Text4baby n = 48 (%) Mean (%) 95% CI Control n = 38 (%) Text4baby n = 48 (%) P- value*
Eating 5 or more fruits and vegetables per day is important to the health of my developing baby 62.79 51.70, 72.98 71.05 56.25 54.65 43.55, 65.42 63.16 47.92 0.281
Taking a prenatal vitamin is important to the health of my developing baby 62.79 51.70, 72.98 65.79 60.42 51.16 40.14, 62.10 57.89 45.83 0.125
I am prepared to be a new mother 43.02 32.39, 54.15 39.47 45.83 34.88 24.92, 45.92 42.11 29.17 0.276
If I visit my health care provider on a regular basis, I will be a healthy new mother 48.24 37.26, 59.34 47.37 48.94 47.62 36.60, 58.81 54.05 42.55 0.937
If I visit my health care provider on a regular basis, my baby will be healthy 44.17 33.48, 55.30 47.37 41.67 45.35 34.58, 56.45 52.63 39.58 0.879
Smoking will harm the health of my developing baby 53.49 42.41, 64.32 55.26 52.08 47.67 36.79, 58.73 50.00 45.83 0.449
Drinking alcohol will harm the health of my developing baby 52.33 41.27, 63.21 55.26 50.00 44.18 33.48, 55.30 39.47 47.92 0.288
Taking prenatal vitamins will improve the health of my developing baby 47.67 36.79, 58.73 55.26 41.67 46.51 35.68, 57.59 50.00 43.75 0.880
Behaviors
Have you ever gone online to search for pre-natal care information? 31.40 21.81, 42.30 31.58 31.25 36.14 25.88, 47.43 32.43 39.13 0.517
In last 30 days, did you smoke? 5.81 1.91, 13.05 5.26 6.25 1.16 0.03, 6.31 2.63 0.00 0.098
Since you found out about your pregnancy, have you consumed alcoholic beverages? 3.53 0.73, 9.97 2.63 4.26 1.18 0.03, 6.38 2.70 0.00 0.314
Ate 3 or more servings of fruit a day 59.30 48.17, 69.78 63.16 56.25 62.35 51.18, 72.64 67.57 58.33 0.685
Ate 3 or more servings of vegetables a day 36.05 25.97, 47.12 34.21 37.50 34.12 24.18, 45.20 40.54 29.17 0.793

* P-value presented represents the difference between the baseline and follow-up sample means.

Evans et al.

Evans et al. BMC Public Health 2012 12:1031   doi:10.1186/1471-2458-12-1031

Open Data