Table 4.
Random Intercepts Models Predicting Verbal Fluency, WLS 1957–2011
| 1 | 2 | 3 | 4 | 5 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| B | s.e. | B | s.e. | B | s.e. | B | s.e. | B | s.e. | ||
| Age | −0.085*** | 0.013 | −0.032* | 0.013 | −0.032* | 0.013 | −0.029* | 0.013 | −0.030* | 0.013 | |
| Retirement Status | Not Retired (ref.) | ||||||||||
| Dichotomous | Retired | −0.074** | 0.023 | −0.046* | 0.023 | ||||||
| Reason | Voluntary | −0.020 | 0.024 | ||||||||
| Family Related | −0.050 | 0.061 | |||||||||
| Involuntary | −0.076 | 0.051 | |||||||||
| Health Related | −0.231*** | 0.054 | |||||||||
| Duration | ln | −0.006* | 0.003 | ||||||||
| linear | −0.016** | 0.006 | |||||||||
| Education (ref=High School) | Some College | 0.132*** | 0.040 | 0.131*** | 0.040 | 0.131** | 0.040 | 0.131** | 0.040 | ||
| Bachelor’s | 0.242*** | 0.042 | 0.238*** | 0.042 | 0.243*** | 0.042 | 0.241*** | 0.042 | |||
| Graduate/Prof. Degree | 0.261*** | 0.049 | 0.260*** | 0.049 | 0.266*** | 0.049 | 0.265*** | 0.049 | |||
| Job Characteristics | |||||||||||
| Occ. Education Score | 0.042* | 0.018 | 0.042* | 0.018 | 0.041* | 0.018 | 0.042* | 0.018 | |||
| Class of Worker (ref=Private Worker) | Government | 0.037 | 0.035 | 0.032 | 0.035 | 0.040 | 0.035 | 0.041 | 0.035 | ||
| Self-Employed | −0.026 | 0.040 | −0.020 | 0.040 | −0.028 | 0.040 | −0.034 | 0.040 | |||
| Occupation (ref=Other White Collar) | Upper White Collar | −0.063 | 0.041 | −0.060 | 0.041 | −0.062 | 0.041 | −0.062 | 0.041 | ||
| Blue Collar | −0.098* | 0.041 | −0.094* | 0.041 | −0.096* | 0.041 | −0.095* | 0.041 | |||
| Service Industries | 0.050 | 0.032 | 0.055 | 0.032 | 0.050 | 0.032 | 0.048 | 0.032 | |||
| Personal Characteristics | Male | −0.274*** | 0.027 | −0.261*** | 0.029 | −0.267*** | 0.029 | −0.261*** | 0.029 | −0.262*** | 0.029 |
| Married | −0.009 | 0.028 | −0.011 | 0.028 | −0.012 | 0.029 | −0.010 | 0.029 | |||
| Father’s SEI | 0.000 | 0.001 | 0.000 | 0.001 | 0.000 | 0.001 | 0.000 | 0.001 | |||
| Mother’s Education | −0.001 | 0.005 | −0.001 | 0.005 | −0.001 | 0.005 | −0.001 | 0.005 | |||
| 1957 Family Income | 0.061** | 0.021 | 0.058** | 0.021 | 0.060** | 0.021 | 0.060** | 0.021 | |||
| Cognition at 16 | 0.014*** | 0.001 | 0.014*** | 0.001 | 0.014*** | 0.001 | 0.014*** | 0.001 | |||
| Stroke | −0.183** | 0.058 | −0.167** | 0.058 | −0.174** | 0.059 | −0.173** | 0.059 | |||
| Heart | 0.006 | 0.028 | 0.011 | 0.028 | 0.010 | 0.028 | 0.010 | 0.028 | |||
| Diabetes | −0.076* | 0.033 | −0.068* | 0.033 | −0.072* | 0.033 | −0.071* | 0.033 | |||
| Cancer | −0.017 | 0.032 | −0.013 | 0.032 | −0.017 | 0.032 | −0.017 | 0.032 | |||
| Pension Available | 0.036 | 0.024 | 0.034 | 0.024 | 0.036 | 0.025 | 0.037 | 0.025 | |||
| Networth | 0.000 | 0.000 | −0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |||
| First Measurement Wave | −0.596*** | 0.094 | −0.224* | 0.092 | −0.222* | 0.092 | −0.218* | 0.092 | −0.224* | 0.092 | |
|
| |||||||||||
| Intercept | 6.269*** | 0.957 | 0.366 | 0.967 | 0.402 | 0.966 | 0.183 | 0.973 | 0.234 | 0.970 | |
|
| |||||||||||
| Observations | 7164 | 7164 | 7164 | 7135 | 7135 | ||||||
|
| |||||||||||
| SD(slope) | 0.748 | 0.013 | 0.670 | 0.012 | 0.669 | 0.012 | 0.671 | 0.012 | 0.671 | 0.012 | |
| Residual | 0.633 | 0.009 | 0.631 | 0.009 | 0.631 | 0.009 | 0.631 | 0.009 | 0.630 | 0.009 | |
| Rho | 0.582 | 0.530 | 0.529 | 0.531 | 0.532 | ||||||
|
| |||||||||||
| Likelihood Ratio Test | 1040.00 | 0.000 | 833.42 | 0.000 | 829.87 | 0.000 | 833.18 | 0.000 | 834.88 | 0.000 | |
Notes:
p < 0.05,
p < 0.01,
p < 0.001