From: Lifestyle and Income-related Inequality in Health in South Africa
 | Wave 1 | Wave 2 | ||||||||||||
Diease Type | Poorest | Poor | Middle | Rich | Richest | Unweighted | Weighted | Poorest | Poor | Middle | Rich | Richest | Unweighted | Weighted |
Independent Variables (smoking and Alcohol use) | ||||||||||||||
 Individual is a current smoker | 16.59 | 21.53 | 25.04 | 23.21 | 13.63 | 3,279 | 5,967,853 | 18.55 | 24.47 | 25.79 | 21.00 | 10.18 | 2,652 | 5,390,039 |
 Individual drinks alcohol | 15.29 | 19.56 | 23.48 | 22.19 | 19.47 | 5,362 | 10,409,442 | 19.13 | 22.90 | 24.41 | 20.34 | 13.22 | 4,773 | 10,134,185 |
Dependent Variables (Health outcomes) | ||||||||||||||
 Diagnosed of tuberculosis | 25.86 | 26.72 | 26.29 | 17.10 | 04.02 | 696 | 1,017,966 | 25.00 | 31.68 | 21.89 | 17.86 | 03.57 | 644 | 978,551 |
 Have high blood pressure | 17.20 | 23.66 | 2.27 | 20.81 | 13.06 | 2,489 | 3,819,946 | 17.52 | 25.46 | 25.22 | 20.97 | 10.84 | 2,141 | 3,541,095 |
 Diagnosed of diabetes | 12.19 | 21.58 | 26.19 | 25.04 | 14.99 | 607 | 987,401 | 16.79 | 25.34 | 23.97 | 20.92 | 12.98 | 655 | 1,108,548 |
 Diagnosed of stroke | 16.03 | 25.64 | 28.85 | 19.23 | 10.26 | 156 | 251,013 | 16.67 | 27.08 | 25.00 | 23.61 | 07.64 | 144 | 215,720 |
 Diagnosed of heart diseases | 15.51 | 23.06 | 23.47 | 22.45 | 15.51 | 490 | 837,918 | 15.64 | 26.07 | 23.31 | 21.78 | 13.19 | 326 | 573,867 |
 Diagnosed of cancer | 09.78 | 14.13 | 16.30 | 20.65 | 39.13 | 92 | 201,808 | 14.67 | 18.67 | 12.00 | 20.00 | 34.67 | 75 | 214,723 |
 Have persistent cough | 22.43 | 25.57 | 24.11 | 18.97 | 08.92 | 1,850 | 3,093,475 | 20.98 | 25.55 | 24.36 | 20.98 | 08.12 | 1,687 | 3,317,332 |
 Experienced depression | 27.22 | 25.53 | 22.24 | 16.75 | 08.26 | 7,387 | 12,934,471 | 28.45 | 27.57 | 21.60 | 15.83 | 06.55 | 6,583 | 11,200,000 |
 Experienced chest pain | 24.70 | 28.23 | 24.42 | 17.47 | 05.18 | 1,757 | 2,786,539 | 23.34 | 29.43 | 24.05 | 17.88 | 05.30 | 1,264 | 2,095,576 |
 Self-reported poor health | 22.37 | 26.64 | 25.89 | 19.38 | 05.72 | 3,303 | 4,975,161 | 23.02 | 28.80 | 24.73 | 17.91 | 05.54 | 2,111 | 3,174,550 |
 | Wave 3 | Wave 4 | ||||||||||||
 | Poorest | Poor | Middle | Rich | Richest | Unweighted | Weighted | Poorest | Poor | Middle | Rich | Richest | Unweighted | Weighted |
Independent Variables (smoking and Alcohol use) | ||||||||||||||
 Individual is a current smoker | 17.99 | 25.42 | 26.07 | 19.62 | 10.89 | 3,241 | 6,209,227 | 19.38 | 25.19 | 26.69 | 19.33 | 9.40 | 4,267 | 7,115,620 |
 Individual drinks alcohol | 18.72 | 24.72 | 23.19 | 19.08 | 14.30 | 5,887 | 11,350,752 | 20.40 | 24.75 | 23.79 | 19.10 | 11.96 | 9,240 | 16,064,962 |
Dependent Variables (Health outcomes) | ||||||||||||||
 Diagnosed of tuberculosis | 27.06 | 29.88 | 22.94 | 15.69 | 04.43 | 994 | 1,499,848 | 27.20 | 29.33 | 23.63 | 14.01 | 05.82 | 842 | 1,190,834 |
 Have high blood pressure | 20.04 | 26.52 | 24.22 | 18.02 | 11.20 | 3,224 | 5,096,330 | 23.14 | 25.87 | 23.42 | 17.64 | 09.93 | 2,165 | 3,373,811 |
 Diagnosed of diabetes | 19.65 | 25.47 | 21.74 | 19.42 | 13.72 | 860 | 1,449,373 | 17.97 | 24.96 | 20.63 | 21.30 | 15.14 | 601 | 1,239,479 |
 Diagnosed of stroke | 17.07 | 31.22 | 26.34 | 19.51 | 05.85 | 205 | 265,006 | 26.36 | 28.64 | 27.73 | 12.73 | 04.55 | 220 | 327,007 |
 Diagnosed of heart diseases | 17.56 | 27.54 | 21.56 | 21.96 | 11.38 | 501 | 816,789 | 23.59 | 25.90 | 25.90 | 15.64 | 08.97 | 390 | 634,708 |
 Diagnosed of cancer | 10.68 | 28.16 | 17.48 | 25.24 | 18.45 | 103 | 192,772 | 23.19 | 25.60 | 17.87 | 16.43 | 16.91 | 207 | 459,566 |
 Have persistent cough | 24.04 | 29.88 | 23.70 | 15.03 | 08.16 | 3,274 | 5,030,600 | 27.42 | 26.46 | 23.26 | 15.75 | 07.11 | 2,812 | 4,436,501 |
 Experienced depression | 28.61 | 28.01 | 21.10 | 15.50 | 06.78 | 8,272 | 13,100,000 | 26.66 | 25.71 | 21.95 | 17.03 | 08.65 | 10,103 | 15,600,000 |
 Experienced chest pain | 26.57 | 29.41 | 22.48 | 15.55 | 06.00 | 1,833 | 2,722,351 | 26.58 | 27.06 | 24.17 | 15.74 | 06.45 | 2,077 | 3,271,733 |
 Self-reported poor health | 22.64 | 29.63 | 26.07 | 15.47 | 06.20 | 2,275 | 3,481,263 | 25.35 | 28.67 | 24.36 | 14.60 | 09.45 | 2,275 | 3,797,960 |