Table 1.
Baseline characteristics of the current study sample and those lost to follow-up
| Attrition analyses | Current study sample | |||||
|---|---|---|---|---|---|---|
| Lost to follow-up | Current study sample | p-value* | Free fruit group | Control group | p-value* | |
| Number | 1630 | 320 | 112 | 208 | ||
| Sex (% girls) | 47 | 62 | <0.001 | 59 | 64 | 0.355 |
| Class grade (% 7th grade) | 47 | 48 | 0.651 | 44 | 51 | 0.218 |
| Parental education (% high) | 40 | 49 | 0.009 | 53 | 46 | 0.229 |
| Group (% free fruit pupils) | 29 | 35 | 0.033 | |||
| Mean ± SD | Mean ± SD | p-value** | Mean ± SD | Mean ± SD | p-value** | |
| FV intake baseline (portions/day) | 2.4 ± 2.4 | 2.5 ± 2.6 | 0.900 | 2.2 ± 2.2 | 2.6 ± 2.7 | 0.123 |
| FV intake baseline (times/week) | 14.0 ± 7.2 | 14.5 ± 6.9 | 0.271 | 13.7 ± 7.4 | 15.0 ± 6.5 | 0.127 |
| Unhealthy snacks baseline (times/week) | 7.2 ± 4.6 | 6.5 ± 4.1 | 0.009 | 6.7 ± 3.9 | 6.3 ± 4.2 | 0.500 |
*based on Chi square test
**based on independent t-test for continuous data
SD = Standard Deviation