TABLE 3.
Growth curve models 1 to 3: Estimates of average daily income per year.
| Model 1 a | Model 2 b | Model 3 c | |
|---|---|---|---|
| Fixed effects | Coefficient (S.E.) | ||
| Intercept | 84.70*** (0.72) | 58.23*** (0.61) | 41.74*** (0.73) |
| Time (year of measurement) | — | 2.06 *** (0.04) | 1.76*** (0.05) |
| Gender (ref.: women) | — | — | 35.50*** (1.06) |
| Gender by time | — | — | 0.66*** (0.07) |
| Variance components | |||
| Within-person (L1) | 607.34*** (3.22) | 197.12*** (1.07) | 197.15*** (1.07) |
| In intercept (L2) | 1,682.35*** (41.92) | 1,202.55*** (31.49) | 884.60*** (23.57) |
| In rate of change (L2) | — | 4.10*** (0.11) | 3.99*** (0.10) |
L1 = Level 1; L2 = Level 2.
a
Unconditional Means Model.
b
Unconditional Growth Model.
c
Model controlled for gender, time, and interaction gender by time.