Table 4.
Simulation results for LCA with a continuous distal outcome: Bias in mean 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 | 0.004 | −0.002 | 0.002 | −0.001 | 0.002 | −0.000 | −0.001 | −0.001 | −0.007 | −0.006 |
| Assign | Zero | 0.003 | −0.001 | 0.001 | −0.000 | 0.002 | 0.000 | −0.002 | −0.002 | −0.006 | −0.005 |
| P-C | Zero | 0.002 | −0.000 | 0.001 | −0.002 | −0.001 | −0.000 | −0.001 | −0.002 | −0.006 | −0.005 |
| Model | Sm | −0.005 | 0.005 | −0.034 | −0.052 | −0.010 | −0.004 | −0.001 | −0.022 | −0.018 | 0.010 |
| Assign | Sm | 0.018 | 0.019 | −0.046 | −0.073 | −0.057 | 0.006 | 0.004 | −0.035 | −0.031 | −0.009 |
| P-C | Sm | 0.022 | 0.018 | −0.052 | −0.078 | −0.065 | 0.006 | 0.004 | −0.037 | −0.034 | −0.011 |
| Model | Med | −0.016 | 0.005 | −0.056 | −0.145 | −0.018 | −0.015 | −0.004 | −0.059 | −0.042 | 0.012 |
| Assign | Med | 0.044 | 0.038 | −0.131 | −0.199 | −0.147 | 0.012 | 0.009 | −0.098 | −0.082 | −0.040 |
| P-C | Med | 0.054 | 0.040 | −0.138 | −0.212 | −0.176 | 0.014 | 0.009 | −0.105 | −0.087 | −0.047 |
| Model | Lg | −0.015 | 0.012 | −0.111 | −0.218 | −0.043 | −0.014 | 0.001 | −0.067 | −0.045 | 0.029 |
| Assign | Lg | 0.082 | 0.061 | −0.224 | −0.314 | −0.251 | 0.028 | 0.024 | −0.165 | −0.127 | −0.053 |
| P-C | Lg | 0.097 | 0.065 | −0.240 | −0.334 | −0.298 | 0.032 | 0.023 | −0.177 | −0.140 | −0.066 |
| n = 1000 | |||||||||||
| Model | Zero | 0.000 | 0.002 | 0.001 | 0.003 | −0.006 | −0.001 | 0.005 | −0.001 | −0.000 | 0.004 |
| Assign | Zero | −0.000 | 0.001 | 0.001 | 0.001 | −0.003 | −0.001 | 0.004 | 0.000 | −0.000 | 0.003 |
| P-C | Zero | −0.000 | 0.001 | −0.000 | 0.003 | −0.003 | −0.001 | 0.004 | −0.000 | −0.000 | 0.004 |
| Model | Sm | −0.006 | −0.001 | −0.028 | −0.040 | 0.002 | −0.008 | −0.003 | −0.019 | −0.013 | 0.005 |
| Assign | Sm | 0.018 | 0.011 | −0.048 | −0.061 | −0.043 | 0.003 | 0.004 | −0.032 | −0.028 | −0.013 |
| P-C | Sm | 0.022 | 0.012 | −0.052 | −0.066 | −0.058 | 0.003 | 0.003 | −0.035 | −0.031 | −0.017 |
| Model | Med | −0.019 | −0.001 | −0.065 | −0.076 | 0.003 | −0.014 | −0.004 | −0.037 | −0.021 | 0.017 |
| Assign | Med | 0.044 | 0.034 | −0.135 | −0.155 | −0.117 | 0.015 | 0.013 | −0.096 | −0.072 | −0.034 |
| P-C | Med | 0.054 | 0.035 | −0.146 | −0.172 | −0.154 | 0.016 | 0.012 | −0.104 | −0.080 | −0.043 |
| Model | Lg | −0.027 | −0.002 | −0.067 | −0.136 | 0.017 | −0.016 | 0.002 | −0.033 | −0.031 | 0.022 |
| Assign | Lg | 0.074 | 0.053 | −0.225 | −0.266 | −0.190 | 0.027 | 0.027 | −0.156 | −0.128 | −0.057 |
| P-C | Lg | 0.090 | 0.053 | −0.243 | −0.292 | −0.254 | 0.029 | 0.025 | −0.170 | −0.138 | −0.075 |
Note: Model = model-based approach; Assign = maximum-probability assignment rule; P-C = multiple pseudo-class draws.