Table 1
Results of fitting a taxonomy of multilevel models for change in Professional Self Identity Questionnaire scores over four timepoints (January 2016–December 2019) for psychiatry residents
|
Parameter |
Unconditional means model |
Unconditional growth model |
Intermediate model 1 |
Intermediate model 2 |
Final model | |
|---|---|---|---|---|---|---|
|
Parameter estimate (SE) |
Parameter estimate (SE) |
Parameter estimate (SE) |
Parameter estimate (SE) |
Parameter estimate (SE) | ||
|
Fixed Effects | ||||||
|
Intercept |
39.8443*** (0.7597) |
38.4320*** (0.8184) |
28.8416*** (1.7508) |
27.1920*** (1.7720) |
28.0927*** (1.5140) | |
|
Time |
1.4323*** (0.2407) |
1.7700* (0.7826) |
2.0148* (0.8775) |
1.1945*** (0.2540) | ||
|
Junior/Senior |
6.8699*** (1.1653) |
7.0496*** (1.1309) |
6.5025*** (0.9146) | |||
|
Time*Junior/Senior |
−0.4099 (0.5323) |
−0.4296 (0.5354) | ||||
|
Duration of psychiatry posting |
1.2341** (0.4628) |
1.1236* (0.4319) | ||||
|
Time*Duration of psychiatry posting |
−0.1890 (0.2581) | |||||
|
Variance Components | ||||||
|
Within-person |
13.91 (3.730) |
10.3350 (3.2148) |
11.1938 (3.3457) |
11.2038 (3.3472) |
11.2556 (3.3549) | |
|
In initial status |
40.56 (6.368) |
45.6030 (6.7530) |
25.5873 (5.0584) |
22.6457 (4.7587) |
23.2198 (4.8187) | |
|
In rate of change |
0.5907 (0.7686) |
0.9573 (0.9784) |
0.8888 (0.9428) |
0.8068 (0.8982) | ||
|
Covariance |
−0.44 |
−0.58 |
−0.53 |
−0.55 | ||
|
Goodness-of-fit | ||||||
|
Deviance |
1455.2 |
1419.0 |
1388.1 |
1381.2 |
1382.2 | |
|
AIC |
1461.2 |
1431.0 |
1404.1 |
1401.2 |
1398.2 | |
|
BIC |
1471.6 |
1451.7 |
1431.7 |
1435.7 |
1425.8 |
Note: Full maximum likelihood (ML) estimation
AIC Akaike Information Criterion, BIC Bayesian Information Criterion
*p < 0.05, **p < 0.01, ***p < 0.001