TABLE 4.
Growth curve models 4 to 6: Estimates of average daily income per year.
| Model 4 a | Model 5 b | Model 6 c | |
|---|---|---|---|
| Fixed effects | Coefficient (S.E.) | ||
| Intercept | 64.85*** (1.10) | 64.88*** (1.28) | 48.57*** (1.63) |
| Time (year of measurement) | 1.92*** (0.05) | 1.90*** (0.05) | 1.90*** (0.04) |
| Gender (ref.: women) | 26.16*** (0.95) | 26.37*** (0.94) | 25.86*** (0.90) |
| Gender by time | 0.56*** (0.07) | 0.57*** (0.07) | 0.58*** (0.06) |
| Education | |||
| High (ref.) | 0 | 0 | 0 |
| Intermediate | −14.67*** (1.13) | −13.74*** (1.13) | −13.67*** (1.07) |
| Low | −21.58*** (1.37) | −19.76*** (1.40) | −21.59*** (1.30) |
| Working time | |||
| Full-time (ref.) | 0 | 0 | 0 |
| Part-time | −16.10*** (0.25) | −16.19*** (0.25) | −16.31*** (0.25) |
| Full- and part-time | −6.43*** (0.44) | −6.41*** (0.44) | −5.55*** (0.44) |
| Occupational status | |||
| Manager (ref.) | — | 0 | 0 |
| Professionals | — | 1.16 (0.71) | 1.22 (0.70) |
| Technicians and associate professionals | — | 1.57* (0.70) | 1,50* (0.69) |
| Clerical support workers | — | −2.15** (0.71) | −2,05** (0.70) |
| Services and sales workers | — | −1.95** (0.75) | −2,07** (0.74) |
| Skilled agricultural, forestry and fishery workers | — | −5.25*** (1.35) | −4,52*** (1.33) |
| Craft and related trades workers | — | −2.18** (0.77) | −2,34** (0.76) |
| Plant and machine operators and assemblers | — | −2.32** (0.80) | −2,32** (0.79) |
| Elementary occupations | — | −2.43** (0.93) | −2,26* (0.92) |
| Year of birth (ref.: 1965) | — | — | 5.21*** (0.85) |
| Number of episodes of marginal work | — | — | −5.21*** (0.22) |
| Duration of unemployment | — | — | −0.05*** (0.00) |
| Region of employment (ref. East) | — | — | 8.51*** (0.57) |
| Variance components | |||
| Within-person (L1) | 166.58*** (0.93) | 165.90*** (0.93) | 161.911*** (0.91) |
| In intercept (L2) | 662.38*** (18.39) | 641.60*** (17.93) | 576.81*** (16.24) |
| In rate of change (L2) | 3.25*** (0.09) | 3.22*** (0.09) | 3.14*** (0.08) |
L1 = Level 1; L2 = Level 2.
a
Model additionally adjusted for education and vocational training, and working time.
b
Model additionally adjusted for occupational status.
c
Model additionally adjusted for year of birth, marginal work, duration of unemployment and region of employment.