Table 2.
Average readmission and length of stay and their association with sociodemographic, lifestyle and multimorbidity variables in older adults from the ELSI-Brazil cohort (2015–2016).
| Independent variables | n | % (95% CI) | Readmission | Length of stay (days) | ||
|---|---|---|---|---|---|---|
| M (SD) | β (95% CI) | M (SD) | β (95% CI) | |||
| Gender | ||||||
| Female | 497 | 51.5 (46.9, 56.0) | 1.5 (1.1) | 1.00 | 4.8 (9) | 1.00 |
| Male | 390 | 48.5 (44.0, 53.1) | 1.6 (1.3) | 0.22 (− 0.12, 0.55) | 8.1 (11.6) | 3.63 (2.07, 5.19)* |
| Age groups (years) | ||||||
| 50–59 | 329 | 41.8 (34.7, 49.2) | 1.5 (0.9) | 1.00 | 6.4 (11.5) | 1.00 |
| 60–74 | 364 | 40.2 (34.9, 45.7) | 1.4 (0.8) | − 0.13 (− 0.3, 0.05) | 6.3 (10.5) | − 0.5 (− 2.63, 1.63) |
| ≥ 75 | 194 | 18 (14.6, 22.1) | 1.5 (0.8) | − 0.19 (− 0.42, − 0.04) | 6.8 (7.4) | 0.01 (− 2.6, 2.62) |
| Skin color1 | ||||||
| Brown | 387 | 41.4 (35.5 47.5) | 1.5 (1.0) | 1.00 | 5.8 (6.9) | 1.00 |
| White | 339 | 42.2 (35.5, 49.2) | 1.6 (1.1) | 0.14 (− 0.07, 0.36) | 7.2 (13.6) | 1.35 (− 0.63, 3.32) |
| Black/yellow/indigenous | 136 | 14 (10.5, 18.4) | 1.7 (1.7) | 0.24 (− 0.31, 0.78) | 6.6 (8.6) | 0.87 (− 1.05, 2.8) |
| Living with a partner | ||||||
| Yes | 485 | 59.8 (54.9, 64.4) | 1.6 (1.2) | 1.00 | 6.4 (10.4) | 1.00 |
| No | 402 | 40.2 (35.6, 45.1) | 1.5 (1.2) | 0.05 (− 0.16, 0.27) | 6.4 (10.6) | 0.99 (− 0.47, 2.45) |
| Schooling years2 | ||||||
| ≥ 9 | 199 | 26 (21.5, 31.0) | 1.5 (1.2) | 1.00 | 5.5 (7.0) | 1.00 |
| Illiterate | 171 | 16,6 (13.1, 20.8) | 1.7 (1.3) | 0.2 (− 0.2, 0.61) | 5.7 (7.3) | 1.1 (− 1.39, 3.59) |
| 1–4 | 338 | 36 (30.7, 41.7) | 1.6 (1.3) | 0.14 (− 0.19, 0.47) | 6.9 (13.7) | 2.07 (− 0.71, 4.85) |
| 5–8 | 174 | 20.9 (17.1, 25.3) | 1.3 (0.8) | − 0.18 (− 0.47, 0.1) | 7.2 (9.6) | 1.66 (− 0.19, 3.52) |
| Asset index (quintiles) | ||||||
| 4th [1.46; 1.61] | 168 | 20.3 (16.1, 25.3) | 1.5 (1.1) | 1.00 | 6.6 (10.9) | 1.00 |
| 1st [0.83; 1.30] | 183 | 16 (12.0, 21.1) | 1.5 (1.0) | − 0.04 (− 0.33, 0.24) | 5.9 (7.1) | 0.31 (− 1.68, 2.3) |
| 2nd [1.30; 1.38] | 188 | 20.9 (16.1, 26.7) | 1.7 (1.5) | 0.15 (− 0.29, 0.58) | 6.2 (10.9) | 0.15 (− 2.45, 2.76) |
| 3rd [1.38; 1.46] | 182 | 20.4 (16.5, 25.0) | 1.5 (1.3) | 0.01 (− 0.24, 0.26) | 7.4 (14.1) | 1.17 (− 1.6, 3.95) |
| 5th [1.61; 3.24] | 166 | 22.3 (18.0, 27.2) | 1.5 (0.9) | 0.01 (− 0.29, 0.32) | 6.1 (7.3) | − 0.55 (− 3.17, 2.06) |
| Place of residence | ||||||
| Urban area | 748 | 83.1 (75.0, 89.0) | 1.5 (1.1) | 1.00 | 6.8 (11.2) | 1.00 |
| Rural area | 139 | 16.9 (11.0, 25.0) | 1.8 (1.6) | 0.2 (− 0.25, 0.65) | 4.7 (5.7) | − 2.68 (− 4.42, -0.94)* |
| Family health strategy | ||||||
| Do not know | 45 | 3.6 (2.2, 5.9) | 1.4 (0.8) | 1.00 | 7.6 (8.1) | 1.00 |
| No | 219 | 26.4 (21.1, 32.6) | 1.6 (1.4) | 0.22 (− 0.21, 0.66) | 5.6 (9.7) | − 1.53 (− 3.85, 0.79) |
| Yes | 623 | 69.9 (63.5, 75.7) | 1.5 (1.1) | 0.15 (− 0.18, 0.49) | 6.7 (10.9) | − 0.21 (− 2.48, 2.07) |
| Health plan | ||||||
| No | 653 | 72.2 (67.8, 76.2) | 1.5 (1.1) | 1.00 | 6.4 (9.3) | 1.00 |
| Yes | 234 | 27.8 (23.8, 32.2) | 1.6 (1.3) | 0.06 (− 0.36, 0.47) | 6.5 (13.0) | 1.1 (− 1.38, 3.58) |
| Alcohol consumption (per month) | ||||||
| One or more times | 122 | 15.7 (12.6, 19.4) | 1.3 (1.0) | 1.00 | 7.1 (10.0) | 1.00 |
| Never | 723 | 78.9 (74.7, 82.6) | 1.6 (1.2) | 0.23 (0.0, 0.45) | 6.3 (9.5) | 0.44 (− 1.81, 2.69) |
| Less than once | 42 | 5.4 (3.7, 7.8) | 1.5 (0.9) | 0.18 (− 0.25, 0.6) | 6.6 (20.6) | 1.12 (− 3.89, 6.12) |
| Smoking status | ||||||
| Current smoker | 133 | 14.6 (11.7, 17.9) | 1.4 (0.7) | 1.00 | 6.3 (9.8) | 1.00 |
| Do not smoke | 373 | 40.3 (36.3, 44.5) | 1.7 (1.5) | 0.31 (0.0, 0.62) | 5.9 (10.3) | 0.38 (− 2.11, 2.86) |
| Former smoker | 381 | 45.1 (40.8, 49.5) | 1.5 (1.0) | 0.09 (− 0.07, 0.26) | 6.9 (10.8) | 0.53 (− 1.84, 2.9) |
| Multimorbidity | ||||||
| ≤ 1 | 162 | 17.8 (14.2, 22.2) | 1.3 (1.1) | 1.00 | 6.3 (12.0) | 1.00 |
| 2 | 153 | 18.4 (14.8, 22.5) | 1.3 (0.6) | 0.01 (− 0.23, 0.24) | 7.6 (12.4) | 1.49 (− 1.49, 4.47) |
| ≥ 3 | 572 | 63.8 (58.9, 68.5) | 1.7 (1.3) | 0.34 (0.15, 0.53)* | 6.1 (9.3) | 0.39 (− 1.65, 2.43) |
95% CI 95% confidence interval, n unweighted number of observations. Relative frequencies (%) and weighted confidence intervals. M mean, SD Standard deviation. 1n = 862. 2n = 882. *p < 0.05.