Table 1.
Characteristics of the study sample (n = 5056) – mean ± SD or % (n)
| Whole sample (n = 5056) |
Non-obese (n = 3480) |
Obese (n = 1576) |
p | |
|---|---|---|---|---|
| Age (years) | 67.46 ± 8.85 | 67.80 ± 9.02 | 66.76 ± 8.43 | <.001 |
| Sex Male |
44.1 (2231) | 46.2 (1607) | 39.6 (624) | <.001 |
| Female | 55.9 (2825) | 53.8 (1873) | 60.4 (952) | - |
| Ethnicity White |
97.9 (4949) | 98.0 (3411) | 97.6 (1538) | .327 |
| Non-white | 2.1 (107) | 2.0 (69) | 2.4 (38) | - |
| Wealth quintile* 1 (lowest) |
15.8 (798) | 13.4 (468) | 20.9 (330) | <.001 |
| 2 | 19.4 (979) | 17.9 (624) | 22.5 (355) | - |
| 3 | 19.9 (1005) | 19.1 (664) | 21.6 (341) | - |
| 4 | 21.8 (1103) | 23.1 (804) | 19.0 (299) | - |
| 5 (highest) | 23.2 (1171) | 26.4 (920) | 15.9 (251) | - |
| Weight (kg) | 77.68 ± 15.77 | 70.98 ± 11.53 | 92.48 ± 13.66 | <.001 |
| BMI (kg/m2) | 28.19 ± 5.05 | 25.52 ± 2.73 | 34.10 ± 3.84 | <.001 |
| Weight status Underweight |
0.8 (38) | 1.1 (38) | - | - |
| Normal-weight | 26.6 (1344) | 38.6 (1344) | - | - |
| Overweight | 41.5 (2098) | 60.3 (2098) | - | - |
| Obese | 31.2 (1576) | - | 100 (1576) | - |
| Class I obese | 21.6 (1091) | - | 69.2 (1091) | - |
| Class II/III obese | 9.6 (485) | - | 30.8 (485) | - |
| Perceived weight discrimination | 4.6 (233) | 0.9 (30) | 12.9 (203) | <.001 |
| Quality of life Mean score |
2.16 ± 0.46 | 2.20 ± 0.45 | 2.08 ± 0.47 | <.001 <.001 |
| Z-score | 0.00 ± 1.00 | 0.08 ± 0.98 | −0.18 ± 1.02 | - |
| Life satisfaction Mean score |
4.14 ± 1.27 | 4.20 ± 1.23 | 4.00 ± 1.33 | <.001 <.001 |
| Z-score | 0.00 ± 1.00 | 0.05 ± 0.97 | −0.11 ± 1.05 | - |
| Depressive symptoms Mean score |
0.18 ± 0.24 | 0.16 ± 0.23 | 0.21 ± 0.25 | <.001 <.001 |
| Z-score | 0.00 ± 1.00 | −0.07 ± 0.96 | 0.03 ± 1.06 | - |
*
Weight quintiles were derived from the whole ELSA sample. p values are for the difference between non-obese and obese individuals.