Table 1.
Descriptive statistics for predictors measured at T1 (1995-96) and T2 (2004-05)
| T1 (1995-96)a | T2 (2004-05)b | |
|---|---|---|
| Control variables | ||
| Male,c % | 44.5 | 44.1 |
| Completed years of age (20-84),d mean (SD) | 47.4 (12.4) | 55.7 (11.2) |
| Non-Latinx white,c % | 91.6 | 92.2 |
| Married or living with a partner,c % | 75.3 | 76.3 |
| Relative SES (1-100),d,e mean (SD) | 53.7 (28.5) | 53.6 (28.5) |
| Mental health | ||
| Negative affect (−0.8-5.9),d,f mean (SD) | 0.0 (1.0) | −0.07 (0.9) |
| CIDI-SF major depression(−0.4-3.4),d,f mean (SD) | 0.0 (1.0) | −0.08 (0.9) |
| Life satisfaction (−5.1-1.4),f,g mean (SD) | 0.0 (1.0) | 0.07 (0.9) |
| Positive affect(−3.4-2.2),d,f mean (SD) | 0.0 (1.0) | 0.08 (0.9) |
| Psychological well-being(04.6-1.8),d,f mean (SD) | 0.0 (1.0) | 0.05 (1.0) |
| Social well-being(−3.8-2.5),d,f mean (SD) | 0.0 (1.0) | 0.21 (1.0) |
| Pain | ||
| Lower backache (−0.8-2.4),f,g mean (SD) | 0.0 (1.0) | 0.26 (1.1) |
| Not at all, % | 41.8 | 30.3 |
| Once a month, % | 22.5 | 23.1 |
| Several times a month, % | 14.9 | 17.6 |
| Once a week, % | 5.3 | 5.8 |
| Several times a week, % | 7.8 | 12.0 |
| Almost every day, % | 7.8 | 11.3 |
| Joint aches/stiffness (−1.0-1.8),f,g mean (SD) | 0.0 (1.0) | 0.53 (1.0) |
| Not at all, % | 39.7 | 15.6 |
| Once a month, % | 14.0 | 15.0 |
| Several times a month, % | 16.7 | 20.0 |
| Once a week, % | 4.8 | 7.3 |
| Several times a week, % | 11.5 | 18.4 |
| Almost every day, % | 13.3 | 23.8 |
| N of respondents | 3929 | 2525 |
a
Among the sample of respondents who completed the self-administered questionnaire at T1 and T2.
b
Among the sample of respondents who completed the self-administered questionnaire at T1, T2, and T3.
c
Dichotomous variable coded 1 for the specified group and 0 for the reference group.
d
Measured at an interval level; the range of values is shown in parentheses.
e
SES is based on education, occupation, income, and assets, which is converted to a percentile denoting the respondents’ rank within the distribution at the specified survey wave.
f
Standardized based on the distribution at T1.
g
Measured at an ordinal level.