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Table 2 Central study variables: Number of participants providing information, Observed range, Mean level, Standard deviation

From: Physical, cognitive, social and mental health in near-centenarians and centenarians living in New York City: findings from the Fordham Centenarian Study

Key study variables N Min Max Mean (SD)
Number of illnessesa 116 0 11 4.85 (2.32)
Subjective healthb 119 1 5 2.97 (1.12)
PADLc 108 0 14 10.41 (3.67)
IADLd 102 0 14 8.89 (4.05)
MMSEe 119 5 21 16.45 (4.04)
GlobDetScalef 100 1 5 1.44 (.91)
Number of living childreng 119 0 6 1.36 (1.31)
Family support score 95 0 15 7.11 (3.44)
Friends support score 95 0 15 5.25 (4.41)
GDSh 107 1 14 4.10 (3.41)
Life satisfactioni 112 0 4 2.07 (1.14)
  1. aHealth conditions included: high blood pressure, heart condition, diabetes, chronic lung disease, ulcers or other serious stomach issues, cirrhosis or other liver problems, kidney condition, frequent urinary infections, incontinence, prostate problems, problems with vision or hearing, arthritis, osteoporosis, stroke, cancer, pneumonia, falls, and other. Within the “other” category, 20 additional conditions were mentioned. The resulting theoretical range was 0–36. bsubjective health theoretical range: 1–5. c PADL Personal Activities of Daily Living (range: 0–14). d IADL Instrumental Activities of Daily Living (range: 0–14). e MMSE Mini-Mental State Examination (shortened, range: 0–21). f GlobDetScale Global Deterioration Scales (range: 1–7). gNumber of living children: 6 indicates 6 or more. Due to an outlier with more than 20 children (biological and adopted), this variable had to be curtailed. h GDS Geriatric depression scale (range: 0–15). iLife satisfaction range 0–4. SD Standard Deviation