Table 4:
Pre- vs. post-intervention vegetable intake between and within groups in head and neck cancer survivors at a southeastern, Comprehensive Cancer Center between January 2015 – September 2016
| Control Group | Experimental Group | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | Follow-up | Baseline | Follow-upa | ||||||||
| Vegetables cups/week measured by 24-hour diet recalls and weekly recallsb |
Mean (SD) | Mean (SD) | MPDc | Within-group p-value | Mean (SD) | Mean (SD) | MPDc | Within-group p-value | Between-group Difference of MPD | Between-group p-value | Cohen’s d (effect size) |
| Cruciferousd | 0.02 (0.05) | 1.33 (2.39) | 1.30 | 0.38e | 1.32 (1.94) | 3.19 (2.24) | 1.87 | 0.04f | 0.57 | 0.5 | 0.22 |
| Green Leafyg | 1.11 (1.76) | 1.68 (1.65) | 0.43 | 0.52f | 2.05 (2.61) | 2.58 (2.08) | 0.53 | 0.48f | 0.10 | 0.92 | 0.04 |
| Totalg | 1.13 (1.79) | 3.02 (2.64) | 1.73 | 0.12f | 3.37 (4.01) | 5.77 (4.02) | 2.40 | 0.12f | 0.67 | 0.70 | 0.16 |
One participant in experimental group missing follow-up
only experimental group completed weekly records
denotes ‘mean paired difference’
Wilcoxon rank-sum test performed
Sign test
Paired t-test performed
Two-sample t-test performed