Journal of Obesity / 2014 / Article / Tab 3

Research Article

Preliminary Efficacy of Group Medical Nutrition Therapy and Motivational Interviewing among Obese African American Women with Type 2 Diabetes: A Pilot Study

Table 3

Group medical nutrition therapy/motivational interviewing intervention among African American women with type 2 diabetes: impact on self-care, psychosocial, and physiologic outcomes.

Outcome variablepre-intervention valuespost-intervention values value*
−18 weeks−12 weeks−6 weeks06 weeks12 weeks18 weeks

Carbohydrate spacing (days/week)**2.0 ± 1.93.5 ± 1.82.9 ± 1.83.4 ± 2.03.9 ± 1.94.3 ± 2.24.1 ± 2.00.277
Eat 5 fruit/vegetables (days/week)**3.9 ± 1.84.2 ± 1.63.9 ± 1.84.5 ± 1.74.8 ± 1.84.7 ± 1.64.0 ± 1.90.016
Eat high fat food (days/week)3.8 ± 1.63.5 ± 1.83.4 ± 1.73.7 ± 1.93.0 ± 1.92.4 ± 1.62.9 ± 1.90.992
Eat a generally healthy diet (days/week)**3.3 ± 1.64.9 ± 1.34.4 ± 1.54.4 ± 1.65.0 ± 1.54.8 ± 1.74.3 ± 1.90.035
Confidence in choosing restaurant foods (score)***1.9 ± 0.92.0 ± 0.92.2 ± 0.92.05 ± 0.82.1 ± 0.91.8 ± 0.91.8 ± 0.60.055
HbA1c (%)8.8 ± 2.08.3 ± 1.99.2 ± 2.19.7 ± 2.49.4 ± 1.89.3 ± 1.88.8 ± 2.20.029
BMI kg/m239 ± 6.539.7 ± 6.939.6 ± 6.539.4 ± 6.838.6 ± 6.539.2 ± 6.538.9 ± 6.80.407
Systolic blood pressure (mm/Hg)139 ± 19134 ± 19139 ± 15143 ± 16141 ± 22139 ± 17141 ± 260.384
Diastolic blood pressure (mm/Hg)84.1 ± 7.882.2 ± 8.286.0 ± 10.984.6 ± 10.884.0 ± 10.580.9 ± 7.081.0 ± 9.70.091

Generalized least squares regression was used to compare rate of change in outcomes quantified as the regression coefficient between pre- and post-intervention phases and to account for repeated measures. **From Summary of Diabetes Self-Care activities question; score range 0 to 7 days/week. ***From Confidence in Diabetes Questionnaire [18]; score range from 1 (very confident) to 5 (not confident).

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