Table 2.
Unadjusted and fully adjusted random effects model explaining perceived stress over increasing age
| Unadjusted Parameters | Fully Adjusted Model* | |||
|---|---|---|---|---|
| β (95% CI) | P (Type 3) | β (95% CI) | P (Type 3) | |
| Intercept | – | – | 7.93 (7.65, 8.20) | – |
| Age | −0.06 (− 0.07, − 0.06) | < 0.0001 | −0.10 (− 0.12, − 0.08) | < 0.0001 |
| Race / Ethnicity | < 0.0001 | < 0.0001 | ||
| White | REF | REF | ||
| Black | 0.16 (−0.02, 0.35) | −0.06 (− 0.26, 0.14) | ||
| Hispanic | 2.06 (1.73, 2.39) | −0.33 (− 0.86, 0.20) | ||
| Japanese | 0.71 (0.43, 0.99) | 0.84 (0.47, 1.21) | ||
| Chinese | 0.31 (0.01, 0.61) | 0.28 (−0.11, 0.67) | ||
| Difficulty paying for Basics (%) | < 0.0001 | < 0.0001 | ||
| Not hard | REF | REF | ||
| Somewhat Hard | 1.26 (1.09, 1.43) | 1.28 (1.06, 1.51) | ||
| Very Hard | 2.20 (1.92, 2.48) | 2.37 (2.00, 2.74) | ||
| Education | < 0.0001 | 0.0016 | ||
| Less than High School | 1.37 (1.03, 1.71) | 0.34 (−0.02, 0.69) | ||
| High School | REF | REF | ||
| College Degree | −0.23 (− 0.43, − 0.02) | −0.02 (− 0.22, 0.18) | ||
| Post-College Degree | −0.79 (− 0.99, − 0.60) | −0.32 (− 0.52, − 0.12) | ||
| Site of Recruitment | < 0.0001 | 0.0487 | ||
| PA | REF | REF | ||
| MI | 0.67 (0.40, 0.95) | −0.20 (−0.54, 0.15) | ||
| MA | 0.59 (0.3, 0.87) | 0.01 (−0.34, 0.37) | ||
| IL | 0.02 (−0.27, 0.31) | −0.04 (− 0.40, 0.32) | ||
| Oakland, CA | 0.44 (0.15, 0.72) | 0.03 (−0.39, 0.44) | ||
| Los Angeles, CA | 0.61 (0.33, 0.89) | −0.59 (− 0.99, − 0.18) | ||
| NJ | 2.21 (1.89, 2.53) | 0.11 (−0.47, 0.70) | ||
| Menopausal Status | < 0.0001 | – | – | |
| Pre | REF | – | – | |
| Early peri | −0.20 (−0.29, − 0.10) | – | – | |
| Late peri | −0.30 (− 0.42, − 0.17) | – | – | |
| Post | − 0.67 (− 0.76, − 0.58) | – | – | |
| Unknown | −0.33 (− 0.47, − 0.20) | – | – | |
| Age * Difficulty paying for Basics Interaction | – | – | < 0.0001 | |
| Age*Not hard | – | – | REF | |
| Age*Somewhat Hard | – | – | −0.02 (− 0.04, − 0.01) | |
| Age*Very Hard | – | – | − 0.05 (− 0.08, − 0.02) | |
| Age * Site Interaction | – | – | ||
| Age*PA | – | – | REF | < 0.0001 |
| Age*MI | – | – | 0.08 (0.05, 0.10) | |
| Age*MA | – | – | 0.06 (0.03, 0.08) | |
| Age*IL | – | – | 0.02 (− 0.00, 0.05) | |
| Age*Oakland, CA | – | – | 0.04 (0.02, 0.07) | |
| Age*Los Angeles, CA | – | – | 0.09 (0.06, 0.11) | |
| Age*NJ | – | – | 0.21 (0.16, 0.26) | |
*The multivariate model includes all variables listed; menopausal status was not statistically significant (p > 0.05) in the final model