Table 3 Variables included as predictors and their characteristics

From: Predicting all-cause mortality with machine learning among Brazilians aged 50 and over: results from The Brazilian Longitudinal Study of Ageing (ELSI-Brazil)

OUTCOME

Variable

Type

Code

Death

0 or 1

obito

PREDICTIVE VARIABLES

 

Type

Code

Age, BMI, Time per day in minutes spent sitting during the week, time per day in minutes spent sitting during the weekend, Level of satisfaction with life, 1 to 10, Level of satisfaction with life, 1 to 10, compared to other people of the same age, Number of medications

Continuous

idade, imc, temps, tempf, satvida, satvidao, medn

Sex

Male or female

sexo

Skin color

White, black, brown, yellow, indigenous, don’t know/didn’t answer

e9

Marital status

Married, single or divorced or widowed

conjug

Education level

Under 8, 8 to 10 years, 11 or more

esc

Income

Poorest, average, richest

renda3

Diabetes, Hypertension, Myocardial Infarction, Cancer, Glaucoma, Diabetic Retinopathy, Macular Degeneration, Cataract in one or both eyes, Fall in the last 12 months, High Cholesterol, Angina, Heart Failure, Stroke, Asthma, Emphysema, Chronic Bronchitis or COPD, Arthritis or Rheumatism, Osteoporosis, Chronic Back Problem, Depression, Chronic Kidney Failure, Parkinson’s Disease, Alzheimer’s Disease, Paid work in the last 30 days, smoke, Weight loss without dieting in the last 3 months, Health plan, Health service for care in the last 2 weeks, Hospitalized in the last 12 months, Emergency care in the last 12 months, Bedridden, Wheelchair user, Walking aid or instrument, Loss of control over bowel or bladder in the last month without intending to

0 or 1

diab, has, inf, cancer, glauc, retin, macula, cat, queda, colt, ang, ins, avc, asma, enfs, art, ost, col, dep, insf, park, alzh, i1, fumo, ppeso, plano, servsau, intern, urg, acam, cad, inst, feze

Days of the week vegetables or legumes are consumed, days of the week fruits are consumed, days of the week red meat is consumed, days of the week fish is consumed, days walked for at least 10 min in the week, days moderate physical activity was done for at least 10 min in the week, days vigorous physical activity was done for at least 10 min in the week

0 to 7

leg, frut, carne, peixe, cam, afm10, afv10

Self-assessment of health

Good to excellent, fair, bad, very bad

autsa

Sleep quality

Very good or good, fair, bad, very bad

sono

Weekly frequency of use of sleeping pills

Does not use, less than 1 time per week, 1 or 2 times per week, 3 or more times per week

remsono

Frequency that felt like you couldn’t move things forward, Frequency that felt that routine activities required great effort

Never or rarely, rarely, sometimes, most of the time

coisas, rotin

Teeth health

Very good, good, fair, bad, very bad

dentsau

Number of natural teeth

None, 1 to 9 teeth, 10 to 19 teeth, 20 or more teeth

ndente

Memory classification

Excellent, very good, good, fair, bad

mem