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Table 1 Descriptive statistics (N = 2978)

From: Lifetime exposure to smoking, epigenetic aging, and morbidity and mortality in older adults

Variable Mean/proportion Standard Deviation Range
Mortality 0.08   0 to 1
Cancer 0.18   0 to 1
High blood pressure 0.62   0 to 1
Lung disease 0.14   0 to 1
Heart disease 0.27   0 to 1
GrimAgeAdj − 0.18 4.32 − 15.38 to 21.86
PhenoAgeAdj 0.08 6.76 − 22.56 to 41.44
DunedinPoAm38Adj 0.00 0.09 − 0.32 to 0.38
Pack years 11.64 18.80 0 to 138.94
Smoking in youth 0.20   0 to 1
Parent smoking
 Neither parent smoked 0.34   0 to 1
 One parent smoked 0.42   0 to 1
 Both parents smoked 0.24   0 to 1
Age 67.65 9.61 50 to 100
Race
 White, Not Hispanic 0.73   0 to 1
 Black, Not Hispanic 0.12   0 to 1
 Hispanic 0.11   0 to 1
 Other, Not Hispanic 0.04   0 to 1
Gender
 Male 0.47   0 to 1
 Female 0.53   0 to 1
Education
 0–11 years 0.17   0 to 1
 12 years 0.31   0 to 1
 13–15 years 0.25   0 to 1
 16 + years 0.27   0 to 1
Log wealth 14.18 0.43 11.49 to 17.27
BMI
 Normal/underweight 0.26   0 to 1
 Overweight 0.37   0 to 1
 Obese 1 0.23   0 to 1
 Obese 2 0.14   0 to 1
Alcohol use
 Non-drinker 0.59   0 to 1
 1–4 drinks per time drinking 0.38   0 to 1
 5 + drinks per time drinking 0.03   0 to 1