Table 2.
Daily frequency of processed food consumption by the adolescents in the intervention and control groups, pre- and post-intervention.
| Food consumption | Intervention group (n = 37) | Control group (n = 25) | pb |
|---|---|---|---|
| Median (25th to 75th percentile)a | Median (25th to 75th percentile)a | ||
| Instant noodles | |||
| Pre | 0.06 (0.03–0.13) | 0.06 (0.00–0.26) | 0.448 |
| Post | 0.00 (0.00–0.06) | 0.06 (0.00–0.73) | 0.049 |
| Range | −0.03 (−0.07–0.00)c | 0.00 (−0.07–0.00) | 0.232 |
| Frankfurters/sausages | |||
| Pre | 0.06 (0.06–0.13) | 0.13 (0.13–0.40) | 0.009 |
| Post | 0.06 (0.00–0.13) | 0.13 (0.06–0.40) | 0.004 |
| Range | −0.06 (−0.13–0.00) | 0.00 (−0.28–0.11) | 0.633 |
| Snacks | |||
| Pre | 0.06 (0.06–0.13) | 0.13 (0.06–0.26) | 0.307 |
| Post | 0.06 (0.00–0.13) | 0.13 (0.06–0.13) | 0.002 |
| Range | −0.06 (−0.13–0.04) | 0.00 (−0.06–0.13) | 0.149 |
| Industrialized fruit juice | |||
| Pre | 0.13 (0.03–1.00) | 0.40 (0.13–1.37) | 0.051 |
| Post | 0.06 (0.00–0.73) | 0.73 (0.06–1.00) | 0.035 |
| Range | 0.00 (−0.23–0.00) | −0.10 (−0.38–0.85) | 0.910 |
| Soft drinks | |||
| Pre | 0.13 (0.13–0.40) | 0.13 (0.06–0.26) | 0.177 |
| Post | 0.13 (0.00–0.40) | 0.13 (0.06–0.73) | 0.021 |
| Range | −0.07 (−0.27–0.00)c | 0.00 (0.00–0.27) | 0.011 |
| Cold cuts/bologna | |||
| Pre | 0.73 (0.13–1.00) | 0.40 (0.13–1.00) | 0.259 |
| Post | 0.73 (0.07–1.00) | 0.40 (0.13–1.00) | 0.912 |
| Range | 0.00 (−0.27–0.00) | 0.00 (−0.06–0.27) | 0.245 |
| Sandwich cookies | |||
| Pre | 0.13 (0.06–0.40) | 0.13 (0.13–0.56) | 0.154 |
| Post | 0.06 (0.00–0.13) | 0.13 (0.06–0.73) | 0.008 |
| Range | −0.06 (−0.26–0.00)c | 0.00 (−0.13–0.07) | 0.199 |
| Plain cookies | |||
| Pre | 0.06 (0.06–0.40) | 0.13 (0.13–1.00) | 0.003 |
| Post | 0.06 (0.00–0.13) | 0.40 (0.13–0.73) | 0.003 |
| Range | 0.00 (−0.10–0.07) | 0.00 (−0.60–0.27) | 0.586 |
| Sugar | |||
| Pre | 0.13 (0.00–0.56) | 0.73 (0.13–2.50) | 0.022 |
| Post | 0.13 (0.00–1.00) | 0.13 (0.06–1.00) | 0.487 |
| Range | 0.00 (−0.13–0.47) | 0.00 (−0.87–0.00)c | 0.064 |
| Chocolate milk | |||
| Pre | 0.13 (0.06–0.56) | 0.40 (0.00–1.00) | 0.348 |
| Post | 0.06 (0.00–0.13) | 0.40 (0.06–1.00) | 0.011 |
| Range | 0.00 (−0.13–0.06) | 0.00 (−0.06–0.60) | 0.186 |
p, significance probability value.
a
Intragroup comparison: paired t-test or Wilcoxon paired test.
b
Comparison between groups: Student's t-test or Mann–Whitney-U test.
c
Showed a significant reduction from pre- to post-intervention, with a significance of 5%.