Table 4.
Number of days out of last ten school days that high-school students aged 12 to 17 years adopted different behaviours during lunch time, pre- and post-intervention, according to school; central Canada, September 2009 (pre) and May 2010 (post)
| Experimental (n 129) | Control (n 112) | |||||||
|---|---|---|---|---|---|---|---|---|
| Pre-intervention | Post-intervention | Pre-intervention | Post-intervention | |||||
| Behavioural pattern | Mean | sd | Mean | sd | Mean | sd | Mean | sd |
| Stayed in school | 9·57 | 1·02 | 9·64 | 0·89 | 9·46 | 0·90 | 9·40 | 1·10 |
| Ate lunch prepared at home | 8·52 | 2·62 | 8·41 | 2·69 | 8·39 | 2·73 | 8·16 | 2·78 |
| Purchased lunch in school cafeteria | 0·57 | 1·13 | 0·64 | 1·20 | 0·84 | 2·09 | 0·86 | 2·02 |
| Went to fast-food restaurant | 0·39 | 0·95 | 0·31 | 0·87 | 0·47 | 0·77 | 0·47 | 0·81 |