Table 5.
Simulation results for LCA with a count distal outcome: Bias in mean count given latent class membership
| Moderate Measurement | Strong Measurement | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Latent Class | Latent Class | ||||||||||
| Method | ES | 1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 |
| n = 500 | |||||||||||
| Model | Zero | −0.005 | 0.003 | 0.015 | 0.004 | 0.014 | −0.000 | −0.000 | 0.002 | −0.004 | −0.003 |
| Assign | Zero | −0.002 | 0.003 | 0.007 | 0.001 | 0.007 | 0.000 | −0.001 | 0.001 | −0.003 | −0.003 |
| P-C | Zero | −0.001 | 0.002 | 0.006 | 0.001 | 0.008 | −0.000 | −0.001 | 0.001 | −0.002 | −0.003 |
| Model | Sm | 0.003 | −0.001 | −0.035 | −0.062 | −0.025 | −0.002 | 0.001 | −0.029 | −0.020 | −0.008 |
| Assign | Sm | 0.019 | 0.012 | −0.051 | −0.074 | −0.064 | 0.005 | 0.007 | −0.039 | −0.027 | −0.018 |
| P-C | Sm | 0.022 | 0.011 | −0.055 | −0.076 | −0.073 | 0.006 | 0.006 | −0.042 | −0.029 | −0.021 |
| Model | Med | 0.001 | −0.001 | −0.065 | −0.133 | −0.051 | 0.001 | −0.000 | −0.052 | −0.060 | −0.002 |
| Assign | Med | 0.047 | 0.032 | −0.132 | −0.189 | −0.155 | 0.018 | 0.012 | −0.093 | −0.086 | −0.030 |
| P-C | Med | 0.056 | 0.035 | −0.142 | −0.201 | −0.182 | 0.020 | 0.012 | −0.099 | −0.093 | −0.036 |
| Model | Lg | 0.004 | 0.010 | −0.072 | −0.217 | −0.060 | 0.000 | −0.001 | −0.060 | −0.064 | −0.002 |
| Assign | Lg | 0.083 | 0.062 | −0.222 | −0.323 | −0.241 | 0.027 | 0.019 | −0.167 | −0.124 | −0.046 |
| P-C | Lg | 0.099 | 0.065 | −0.235 | −0.345 | −0.288 | 0.029 | 0.019 | −0.180 | −0.135 | −0.059 |
| n = 1000 | |||||||||||
| Model | Zero | 0.005 | −0.001 | −0.004 | 0.000 | −0.003 | −0.001 | −0.002 | 0.001 | 0.002 | −0.001 |
| Assign | Zero | 0.003 | −0.001 | −0.003 | −0.002 | −0.002 | −0.000 | −0.001 | 0.000 | 0.002 | 0.000 |
| P-C | Zero | 0.002 | −0.000 | −0.002 | −0.001 | −0.001 | −0.000 | −0.002 | 0.001 | 0.002 | −0.000 |
| Model | Sm | −0.005 | 0.001 | −0.030 | −0.039 | 0.003 | −0.002 | 0.001 | −0.019 | −0.023 | 0.003 |
| Assign | Sm | 0.015 | 0.012 | −0.051 | −0.056 | −0.039 | 0.005 | 0.007 | −0.033 | −0.031 | −0.008 |
| P-C | Sm | 0.019 | 0.013 | −0.055 | −0.062 | −0.052 | 0.006 | 0.006 | −0.036 | −0.034 | −0.012 |
| Model | Med | −0.007 | −0.001 | −0.048 | −0.080 | −0.011 | −0.002 | −0.003 | −0.038 | −0.038 | −0.002 |
| Assign | Med | 0.044 | 0.030 | −0.131 | −0.145 | −0.118 | 0.016 | 0.012 | −0.093 | −0.077 | −0.029 |
| P-C | Med | 0.054 | 0.032 | −0.141 | −0.166 | −0.153 | 0.018 | 0.011 | −0.102 | −0.084 | −0.040 |
| Model | Lg | −0.001 | 0.003 | −0.030 | −0.133 | −0.029 | −0.001 | −0.002 | −0.029 | −0.044 | −0.007 |
| Assign | Lg | 0.075 | 0.049 | −0.219 | −0.252 | −0.201 | 0.026 | 0.020 | −0.158 | −0.128 | −0.050 |
| P-C | Lg | 0.091 | 0.050 | −0.237 | −0.285 | −0.264 | 0.028 | 0.018 | −0.171 | −0.139 | −0.068 |
Note: Model = model-based approach; Assign = maximum-probability assignment rule; P-C = multiple pseudo-class draws.