Table 1.
Descriptive Statistics by Survival Status
| Survivors, N = 4,548 | Deceased, N = 1,926 | |
|---|---|---|
| Baseline Variable | Mean (SD) or Percent (N) | Mean (SD) or N (%) |
| Age at baseline (years) | 38.29 (12.70) | 63.14 (12.48) |
| Sex | ||
| Male | 41% (1,879) | 52% (999) |
| Female | 59% (2,669) | 48% (927) |
| CCI Comorbiditiesa | ||
| Chronic Asthma / Emphysema | 3% (116) | 5% (102) |
| Arthritis / Rheumatism | 3% (134) | 11% (204) |
| Cancer | <1% (17) | 1% (25) |
| Diabetes | 1% (30) | 3% (51) |
| GI Disease | 2% (104) | 4% (81) |
| Heart Disease | 1% (58) | 11% (207) |
| Kidney Disease | <1% (16) | 1% (12) |
| Liver Disease | <1% (3) | <1% (4) |
| Stroke | <1% (14) | 3% (52) |
| Social Circumstancesb | ||
| Registrar General Social Class | ||
| I | 6% (292) | 4% (83) |
| II | 25% (1,124) | 21% (399) |
| III | 47% (2,157) | 50% (958) |
| IV | 15% (684) | 18% (347) |
| V | 4% (202) | 6% (114) |
| Other | 2% (100) | 1% (16) |
| Education Level | ||
| ≤5th grade, no school-leaving qualifications | 42% (1,896) | 70% (1,348) |
| CSE, O Level, and equivalent | 18% (823) | 7% (142) |
| A Level and equivalent | 6% (278) | 3% (54) |
| Guild, clerical, or commercial degree | 14% (643) | 6% (111) |
| Degree or professional qualifications | 20% (902) | 14% (271) |
| Weekly Household Income (pounds) | 161.35 (92.36) | 107.18 (79.45) |
| Perceived Social Support Score c | .05 (.89) | -.05 (1.12) |
| Phenotypic Traits c | ||
| Rumination | -.06 (.96) | .12 (1.06) |
| Mood Lability | .10 (.99) | -.24 (.98) |
| Oversensitivity | .07 (1.00) | -.16 (.98) |
| Nervous Tension | -.04 (.97) | .07 (1.05) |
| Social Dynamism | .08 (.98) | -.18 (1.02) |
| Impulsivity | .06 (1.01) | -.16 (.96) |
| Communalism | .11 (.97) | -.25 (1.03) |
| Jocularity | .110(1.04) | -.25 (.85) |
| Haste | .03 (1.00) | -.06 (.99) |
| Social Dependency | -.05 (.96) | .09 (1.07) |
| “Lie” scale | -.20 (.92) | .46 (1.02) |
| Type A Tendencies | .10 (.98) | -.24 (1.00) |
| Fluid IQ | .12 (.90) | -.10 (1.03) |
Notes: Survival over 25-year follow-up period. M = Mean, SD = Standard deviation
a
Charlson Comorbidity Index (CCI) self-report conditions.
b
“Other” category includes students, armed services, and those never employed;.
c
social support scale and phenotypic traits in z-score metric; Mean=0, SD=1.
Higher scores indicate higher value of property being assessed for psychosocial measurements. All values simple, unadjusted means. Type A relationship to mortality reverses (i.e., higher scores indicate higher mortality risk) with demographic adjustment and grows in size over time (see Table 2).