Table 3.
Results of equality tests of means for outcome variables assessed at wave 7 across BMI trajectory classes using the 3-step procedure
Outcomes variables1 | ||||||
---|---|---|---|---|---|---|
Latent Trajectory Class | Number of drinking problems | Number of illicit drug problems | Nicotine dependence | |||
M | SD | M | SD | M | SD | |
“Normal” | .29 | .44 | .18 | .12 | .14 | .09 |
“Overweight” | −.11 | .99 | −.21 | .01 | −.56 | .12 |
“Obese” | −2.74 | .65 | −.31 | .05 | .51 | .38 |
Equality tests of means | ||||||
χ2 | χ2 | χ2 | ||||
Overall test | 16.78*** | 13.07*** | 21.71*** | |||
“Normal” vs. “Overweight” | n.s. | normal > overweight, 10.79** | normal > overweight, 18.52*** | |||
“Normal” vs. “Obese” | normal > obese, 15.53*** | normal > obese, 13.07*** | n.s. | |||
“Overweight” vs. “Obese” | overweight > obese, 4.41* | n.s. | obese > overweight, 7.01* |
Note.
p < .05,
p < .01,
p < .001;
Reported means are based on the residuals from regression models that account for covariates. Results of equality tests of means for outcome variables when a 4-class solution is chosen are presented in Table S1.