Table 3 Results of correlation of factors affecting SA
From: Prediction of successful aging using ensemble machine learning algorithms
No. | Class | Variable name | Variable type | Concept codes | Frequency | chi-square | P-Value |
|---|---|---|---|---|---|---|---|
1 | Socio-demographic | Age (years) | Polynomial | 1 (65–69) 2 (70–79) 3 (> 80) | 1 (413) 2 (283) 3 (287) | 0.073 | 0.036 |
2 | Sex | Binominal | 1 (Female) 2 (Male) | 1 (422) 2 (561) | 0.158 |  < 0.01 | |
3 | Educational level | Polynomial | 1 (No literacy) 2 (Elementary) 3 (Diploma) 4 (Academic) | 1 (154) 2 (297) 3 (445) 4 (87) | 0.60 | 0.206 | |
4 | Marital status | Polynomial | 1 (married) 2 (single) 3 (divorced) 4 (widowed) | 1 (574) 2 (89) 3 (18) 4 (302) | 0.036 | 0.651 | |
5 | Occupation | Polynomial | 1 (no job) 2 (housekeeper) 3 (retired) 4 (self-employment) | 1 (112) 2 (324) 3 (443) 4 (104) | 0.068 | 0.117 | |
6 | Income level | Binominal | 1 (under the poverty line) 2 (on poverty line) | 1 (521) 2 (426) | 0.138 |  < 0.01 | |
7 | Insurance status | Binominal | 1 (Have) 2 (Haven’t) | 1 (623) 2 (360) | 0.005 | 0.853 | |
8 | Disease comorbidities | Hypertension | Binomial | 1 (Yes) 2 (No) | 1 (714) 2 (269) | 0.275 |  < 0.01 |
9 | Cardiovascular accident (CVA) | Binomial | 1 (Yes) 2 (No) | 1 (268) 2 (715) | 0.249 |  < 0.01 | |
10 | Bone disease | Binomial | 1 (Yes) 2 (No) | 1 (399) 2 (584) | 0.070 | 0.013 | |
11 | Renal disease | Binomial | 1 (Yes) 2 (No) | 1 (264) 2 (719) | 0.027 | 0.344 | |
12 | Liver disease | Binomial | 1 (Yes) 2 (No) | 1 (120) 2 (863) | 0.054 | 0.057 | |
13 | Muscle disease | Binomial | 1 (Yes) 2 (No) | 1 (335) 2 (648) | 0.116 |  < 0.01 | |
14 | Depression | Binomial | 1 (Yes) 2 (No) | 1 (388) 2 (595) | 0.74 |  < 0.01 | |
15 | Convalescences | Binomial | 1 (Yes) 2 (No) | 1 (170) 2 (813) | 0.058 | 0.038 | |
16 | Eye disease | Binomial | 1 (Yes) 2 (No) | 1 (460) 2 (523) | 0.017 | 0.540 | |
17 | Diabetes | Binomial | 1 (Yes) 2 (No) | 1 (722) 2 (743) | 0.264 |  < 0.01 | |
18 | Cancer | Binomial | 1 (Yes) 2 (No) | 1 (88) 2 (895) | 0.107 |  < 0.01 | |
19 | Other diseases | Binomial | 1 (Yes) 2 (No) | 1 (456) 2 (527) | 0.025 | 0.678 | |
20 | Behavioral and psychosocial factors | Tension management | Binomial | 1 (Yes) 2 (No) | 1 (560) 2 (423) | 0.063 | 0.025 |
21 | Social and interpersonal relationships | Binomial | 1 (Weak) 2 (Strong) | 9 (399) 10 (584) | 0.062 | 0.028 | |
22 | Life satisfaction | Binomial | 1 (Pleasant) 2 (Unpleasant) | 1 (466) 2 (517) | 0.138 |  < 0.01 | |
23 | Healthy lifestyle | Polynomial | 1 (Low) 2 (Medium) 3 (High) | 1 (377) 2 (538) 3 (68) | 0.075 | 0.029 | |
24 | Nutritional status | Binomial | 1 (Bad) 2 (Good) | 1 (351) 2 (632) | 0.132 |  < 0.01 | |
25 | Ability to perform daily activities | Binomial | 1 (dependence) 2 (independence) | 1 (471) 2 (512) | 0.149 |  < 0.01 | |
26 | Quality of life | Binomial | 3 (Low) 4 (High) | 1 (465) 2 (518) | 0.205 |  < 0.01 | |
27 | Physical activity | Binomial | 1 (Low) 2 (High) | 1 (192) 2 (791) | 0.162 |  < 0.01 | |
28 | Disease prevention activities | Binomial | 1 (Have) 2 (Haven't) | 1 (472) 2 (511) | 0.070 | 0.013 |