Table 2. Mean School Wellness Policy Implementation Quality and Effectiveness Ratings, by Cluster Membership, a National Sample of 112 School Leaders Completing a School Wellness Policy Implementation Questionnaire, 2009.
| Core Policy Domain | Mean Quality Ratinga (SD) | P Valueb | |
|---|---|---|---|
|
| |||
| Cluster 1 | Cluster 2 | ||
| Nutrition education | 6.8 (1.7) | 5.1 (1.6) | .001 |
| Nutrition standards for USDA child nutrition programs and school meals | 8.0 (1.8) | 6.4 (2.4) | .04 |
| Nutrition standards for competitive and other foods and beverages | 7.3 (2.0) | 6.4 (1.9) | .09 |
| Physical activity | 6.6 (1.8) | 5.0 (1.9) | .01 |
| Physical education | 7.0 (1.8) | 5.5 (2.1) | .008 |
| Communication and promotion | 6.1 (1.8) | 4.3 (1.4) | .001 |
| Evaluation | 5.6 (2.1) | 4.4 (1.5) | .01 |
| Overall | 6.8 (1.3) | 5.3 (1.6) | .004 |
|
| |||
| Core Policy Domain | Mean Effectiveness Ratingc (SD) | P Valueb | |
|
| |||
| Cluster 1 | Cluster 2 | ||
|
| |||
| Nutrition education | 6.3 (1.9) | 4.4 (1.5) | .008 |
| Nutrition standards for USDA child nutrition programs and school meals | 7.6 (2.1) | 5.9 (2.7) | .07 |
| Nutrition standards for competitive and other foods and beverages | 7.2 (2.1) | 6.1 (1.8) | .02 |
| Physical activity | 6.3 (1.9) | 4.6 (1.7) | .02 |
| Physical education | 6.6 (2.0) | 5.2 (2.2) | .07 |
| Communication and promotion | 6.0 (2.0) | 4.0 (1.4) | .002 |
| Evaluation | 5.5 (2.2) | 4.1 (1.5) | .004 |
| Overall | 6.5 (1.5) | 4.9 (1.5) | .001 |
Abbreviations: SD, standard deviation; USDA, US Department of Agriculture.
a Rated on a scale from 1 (very poor) to 10 (excellent).
b Calculated using Wilcoxon–Mann–Whitney U test.
c Rated on a scale from 1 (ineffective) to 10 (very effective).