Table 1.
Baseline sociodemographic and dietary characteristics for the total sample (N=210) and by group from the SMART trial
| Characteristic | Feedback (n=70) Mean (SD) or % |
No Feedback (n=140) Mean (SD) or % |
Total (N=210) | Pa |
|---|---|---|---|---|
| Sociodemographic | ||||
| Age (years) | 46.4 (9.4) | 47.0 (8.8) | 46.8 (9.0) | 0.60 |
| Female (%) | 84.3 | 85 | 84.8 | 0.89 |
| White (%) | 77.1 | 78.6 | 78.1 | 0.81 |
| Currently married/living with partner (%) | 67.1 | 69.3 | 68.6 | 0.58 |
| Education (years) | 15.5 (3.0) | 15.7 (3.0) | 15.7 (3.0) | 0.65 |
| Gross household income (%) | 0.70 | |||
| <$10,000–$30,000 | 19.1 | 14.6 | 16.1 | |
| >$30,000–$50,000 | 23.5 | 24.1 | 23.9 | |
| >$50,000 | 57.4 | 61.3 | 60 | |
| Full-time employment (%) | 77.1 | 85.7 | 82.9 | 0.12 |
| Dietary | ||||
| Energy intake (kcal) | 2113 (685) | 2078 (683) | 2090 (682) | 0.73 |
| Carbohydrate (% kcal) | 48.0 (9.1) | 47.5 (8.4) | 47.6 (8.6) | 0.69 |
| Protein (% kcal) | 16.4 (5.4) | 17.2 (4.1) | 16.9 (4.6) | 0.25 |
| Fat (% kcal) | 33.8 (7.4) | 33.6 (7.1) | 33.7 (7.2) | 0.90 |
| Saturated fat (% kcal) | 11.6 (3.5) | 11.3 (3.4) | 11.4 (3.4) | 0.53 |
| Sodium (mg) | 3343 (1161) | 3537 (1446) | 3472 (1358) | 0.33 |
| Total fiber (g) | 18.9 (7.6) | 19.7 (9.0) | 19.4 (8.6) | 0.51 |
| Added sugar (g) | 79.5 (57.7) | 74.9 (51.3) | 76.4 (53.4) | 0.56 |
Abbreviations: SD=standard deviation; Feedback=PDA+FB; No Feedback=PDA and PD combined groups; kcal=kilocalories; mg=milligrams; g=grams;
a
p-values are from chi-square test of independence (categorical) or ANOVA F test (continuous)