Table 4.
Regression results from the fixed-effects model representing estimated mean differences in MHI-5 scores associated with changing employment status relative to unemployment, stratified by disability status and age group.
| No disability |
Disability |
Measure of effect modification by disability on additive scale |
|
|---|---|---|---|
| Coef. (95% CI; p value) | Coef. (95% CI; p value) | Coef. (95% CI; p value) | |
| 15–24 yrs | |||
| Unemployed | 0 | 0 | 0 |
| Employed PT | −0.5 (−1.7, 0.7; p = 0.388) | 5.8 (3.0, 8.6; p < 0.001) | 6.3 (3.3, 9.3; p < 0.001) |
| Employed FT | −0.3 (−1.6, 1.0; p = 0.690) | 4.8 (1.6, 8.0; p = 0.003) | 5.0 (1.6, 8.4; p = 0.004) |
| 25–34 yrs | |||
| Unemployed | 0 | 0 | 0 |
| Employed PT | 2.6 (0.7, 4.6; p = 0.008) | 3.6 (0.3, 7.0; p = 0.033) | 1.0 (−2.9, 4.9; p = 0.614) |
| Employed FT | 2.9 (1.0, 4.8; p = 0.003) | 7.9 (4.4, 11.3; p < 0.001) | 5.0 (1.0, 8.9; p = 0.013) |
| 35–44 yrs | |||
| Unemployed | 0 | 0 | 0 |
| Employed PT | 1.3 (−0.9, 3.4; p = 0.250) | 7.1 (3.1, 11.2, p = 0.001) | 5.9 (1.3, 10.5; p = 0.012) |
| Employed FT | 1.3 (−0.8, 3.4; p = 0.236) | 8.7 (4.6, 12.9; p < 0.001) | 7.4 (2.8, 12.1; p = 0.002) |
| 45–54 yrs | |||
| Unemployed | 0 | 0 | 0 |
| Employed PT | 4.1 (1.8, 6.4; p < 0.001) | 1.5 (−1.9, 5.0; p = 0.381) | −2.6 (−6.7, 1.6; p = 0.227) |
| Employed FT | 4.6 (2.3, 6.8; p < 0.001) | 5.1 (1.7, 8.6; p = 0.004) | 0.5 (−3.6, 4.6; p = 0.800) |
| 55–64 yrs | |||
| Unemployed | 0 | 0 | 0 |
| Employed PT | 0.9 (−2.5, 4.4; p = 0.587) | 0.7 (−3.8, 5.2; p = 0.764) | −0.3 (−5.9, 5.4; p = 0.929) |
|
Employed FT |
0.9 (−2.5, 4.3; p = 0.596) |
1.3 (−3.2, 5.9; p = 0.570) |
0.4 (−5.3, 6.1; p = 0.889) |
| Measure of effect modification by age group on additive scale | 3-way interaction terms* | ||
| 25–34 yrs | |||
| Employed PT | 3.2 (0.9, 5.5; p = 0.007) | −2.2 (−6.5, 2.2; p = 0.327) | −5.3 (−10.2, −0.4; p = 0.033) |
| Employed FT | 3.2 (0.9, 5.5; p = 0.007) | 3.1 (−1.6, 7.8; p = 0.192) | −0.1 (−5.3, 5.1; p = 0.980) |
| 35–44 yrs | |||
| Employed PT | 1.8 (−0.7, 4.3; p = 0.154) | 1.3 (−3.6, 6.2; p = 0.594) | −0.5 (−6.0, 5.0; p = 0.867) |
| Employed FT | 1.5 (−0.9, 4.0; p = 0.223) | 3.9 (−1.3, 9.2; p = 0.139) | 2.4 (−3.4, 8.2; p = 0.414) |
| 45–54 yrs | |||
| Employed PT | 4.6 (2.0, 7.2; p < 0.001) | −4.3 (−8.7, 0.1; p = 0.058) | −8.9 (−14.0, −3.8; p = 0.001) |
| Employed FT | 4.8 (2.3, 7.4; p < 0.001) | 0.3 (−4.4, 5.0; p = 0.885) | −4.5 (−9.8, 0.9; p = 0.100) |
| 55–64 yrs | |||
| Employed PT | 1.5 (−2.1, 5.1; p = 0.425) | −5.1 (−10.4, 0.2; p = 0.058) | −6.6 (−13.0, −0.2, p = 0.044) |
| Employed FT | 1.2 (−2.4, 4.8; p = 0.523) | −3.4 (−9.0, 2.1; p = 0.224) | −4.6 (−11.2, 2.0; p = 0.171) |
* 3-way interaction term describing the additional effect of PT and FT employment on mental health for people with disability for each of the age groups.
* Adjusted for: age, education, household type.
^Coefficients refer to estimated mean difference in the MHI-5 score.