Table 3.
Prevalence of, and multivariable logistic regression models predicting, weight loss (≥5%) among obese people in two older adult cohorts
| HRS cohort (n = 3,398) |
ELSA cohort (n = 998) |
|||||||
|---|---|---|---|---|---|---|---|---|
| prevalence, No. (%) | OR | 95% CI | p | prevalence, No. (%) | OR | 95% CI | p | |
| Age | ||||||||
| <65 years | 457 (24.9) | 1.00 | – | – | 91 (15.6) | 1.00 | – | – |
| ≥65 years | 518 (33.2) | 1.55 | 1.33–1.81 | <0.001 | 75 (18.2) | 1.08 | 0.76–1.53 | 0.686 |
| Sex | ||||||||
| Male | 342 (24.7) | 1.00 | – | – | 16 (14.6) | 1.00 | – | – |
| Female | 633 (31.4) | 1.31 | 1.11–1.54 | 0.001 | 105 (18.1) | 1.18 | 0.83–1.69 | 0.359 |
| Ethnicity | ||||||||
| White | 710 (28.0) | 1.00 | – | – | 163 (16.6) | 1.00 | – | – |
| Non-white | 265 (30.8) | 1.07 | 0.89–1.27 | 0.474 | 3 (17.6) | 1.16 | 0.33–4.16 | 0.816 |
| Marital status | ||||||||
| Unmarried | 368 (31.3) | 1.00 | – | – | 60 (21.2) | 1.00 | – | – |
| Married | 603 (27.2) | 0.96 | 0.81–1.13 | 0.600 | 106 (14.8) | 0.69 | 0.48–1.00 | 0.048 |
| Education | ||||||||
| Lower | 645 (30.1) | 1.00 | – | – | 131 (16.9) | 1.00 | – | – |
| Higher | 329 (26.4) | 0.94 | 0.80–1.10 | 0.443 | 34 (15.5) | 0.96 | 0.63–1.46 | 0.847 |
| BMI | ||||||||
| <35 kg/m2 | 581 (25.5) | 1.00 | – | – | 119 (15.8) | 1.00 | – | – |
| ≥35 kg/m2 | 394 (35.3) | 1.60 | 1.37–1.87 | <0.001 | 47 (19.3) | 1.24 | 0.85–1.82 | 0.260 |