Int. J. Environ. Res. Public Health 2012, 9 1374 value). A higher baseline intake of SF servings was significantly (p < 0.05) related to less of a reduction in energy intake. See Table 3 for the full block linear regression model. Table 2. Block linear regression models of baseline child characteristics, treatment condition, baseline dietary variables, and change in fruits and vegetable servings per day on change in snack food servings per day. Model (block) Variables β p-values Age 0 0.11 p = 0.37 1 (I) Sex 0.07 p = 0.62 Race 0.09 p = 0.48 Ethnicity −0.05 p = 0.65 BMI z-score 0 0.14 p = 0.25 R2 change = 0.035, p = 0.74; R2cum = 0.035; F (5, 74) = 0.54, p = 0.74 Age 0 0.12 p = 0.36 2 (I & II) Sex 0.06 p = 0.63 Race 0.08 p = 0.54 Ethnicity −0.05 p = 0.70 BMI z-score 0 0.13 p = 0.31 Treatment Condition −0.05 p = 0.68 R2 change = 0.002, p = 0.68; R2cum = 0.038; F (6, 73) = 0.48, p = 0.82 Age 0 0.13 p = 0.18 3 (I, II & III) Sex 0.06 p = 0.52 Race 0.01 p = 0.88 Ethnicity 0.16 p = 0.09 BMI z-score 0 0.02 p = 0.86 Treatment Condition −0.12 p = 0.17 SF serving/day 0 −0.73 p < 0.001 FV servings/day 0 0.07 p = 0.47 R2 change = 0.478, p < 0.001; R2cum = 0.516; F (8, 71) = 9.45, p < 0.001 4 (I, II, III & IV) Age 0 0.12 p = 0.19 Sex 0.06 p = 0.57 Race 0.01 p = 0.89 Ethnicity 0.16 p = 0.10 BMI z-score 0 0.02 p = 0.88 Treatment Condition −0.12 p = 0.18 SF serving/day 0 −0.73 p < 0.001 FV servings/day 0 0.07 p = 0.44 Change in FV serving/day 0.03 p = 0.73 R2 change = 0.001, p = 0.726; R2cum = 0.516; F (9, 70) = 8.31, p < 0.001 0 baseline values; R2 change = incremental variance accounted for by each block; R2cum= variance accounted for by the entire model.