Univariate Analysis of Variance

Between-Subjects Factors


Value Label N
bhqgid Group ID: 1 P.E.E.R. 127
2 H.E.A.L.T.H.Y. 117

Descriptive Statistics
Dependent Variable: chr174c How many times did you use Alcohol including beer, wine and liquor in the last 30 days?
bhqgid Group ID: Mean Std. Deviation N
1 P.E.E.R. 25.61 69.129 127
2 H.E.A.L.T.H.Y. 23.54 50.810 117
Total 24.61 60.921 244

Levene's Test of Equality of Error Variances(a)
Dependent Variable: chr174c How many times did you use Alcohol including beer, wine and liquor in the last 30 days?
F df1 df2 Sig.
.152 1 242 .697
Tests the null hypothesis that the error variance of the dependent variable is equal across groups.
a Design: Intercept+ahr174c+bhqgid+bhqgid * ahr174c

Tests of Between-Subjects Effects
Dependent Variable: chr174c How many times did you use Alcohol including beer, wine and liquor in the last 30 days?
Source Type III Sum of Squares df Mean Square F Sig.
Corrected Model 25332.072(a) 3 8444.024 2.312 .077
Intercept 27618.139 1 27618.139 7.562 .006
ahr174c 24000.890 1 24000.890 6.572 .011
bhqgid 2728.394 1 2728.394 .747 .388
bhqgid * ahr174c 3879.017 1 3879.017 1.062 .304
Error 876541.715 240 3652.257

Total 1049710.000 244


Corrected Total 901873.787 243


a R Squared = .028 (Adjusted R Squared = .016)

Parameter Estimates
Dependent Variable: chr174c How many times did you use Alcohol including beer, wine and liquor in the last 30 days?
Parameter B Std. Error t Sig. 95% Confidence Interval
Lower Bound Upper Bound Lower Bound Upper Bound Lower Bound Upper Bound
Intercept 10.222 8.001 1.278 .203 -5.540 25.984
ahr174c .684 .294 2.325 .021 .104 1.263
[bhqgid=1] 9.371 10.842 .864 .388 -11.987 30.730
[bhqgid=2] 0(a) . . . . .
[bhqgid=1] * ahr174c -.392 .380 -1.031 .304 -1.141 .357
[bhqgid=2] * ahr174c 0(a) . . . . .
a This parameter is set to zero because it is redundant.

Estimated Marginal Means

Group ID:
Dependent Variable: chr174c How many times did you use Alcohol including beer, wine and liquor in the last 30 days?
Group ID: Mean Std. Error 95% Confidence Interval
Lower Bound Upper Bound Lower Bound Upper Bound
1 P.E.E.R. 25.446(a) 5.364 14.879 36.014
2 H.E.A.L.T.H.Y. 23.945(a) 5.590 12.934 34.957
a Covariates appearing in the model are evaluated at the following values: ahr174c How many times did you use Alcohol including beer, wine and liquor in the last 30 days? = 20.07.

Profile Plots

Group ID:

Graph

Scatter of Alcohol Change