Table 3.
Adjusted linear regression of total weight loss and excess BMI loss 5 years after surgery.
| N | %TWL | %EBMIL | |||
|---|---|---|---|---|---|
| B (95% CI) | Adjusted pa | B (95% CI) | Adjusted pa | ||
| Education | |||||
| Primary education < 9 years | 2232 | 0.2 (−0.2–0.7) | 0.296 | 0.8 (−0.3 to 2.0) | 0.160 |
| Secondary education | 8154 | Reference | Reference | Reference | Reference |
| Higher education < 3 years | 1408 | −0.6 (−1.1 to −0.1) | 0.027 | −1.6 (−2.9 to −0.2) | 0.026 |
| Higher education > 3years | 1425 | −0.7 (−1.2 to −0.1) | 0.015 | −1.5 (−2.9 to 0.2) | 0.028 |
| Profession | |||||
| Senior officials and management | 479 | 0.0 (−0.9 to 1.0) | 0.971 | 0.2 (−2.3 to 2.6) | 0.893 |
| Professionals and technicians | 2815 | −0.5 (−0.9 to 0.0) | 0.039 | −1.1 (−2.3 to 0.1) | 0.074 |
| Clerical support workers | 1291 | −0.2 (−0.8 to 0.4) | 0.437 | −0.3 (−1.8 to 1.2) | 0.465 |
| Services and sales workers | 4534 | Reference | Reference | Reference | Reference |
| Manual labour | 1773 | −0.1 (−0.8 to 0.5) | 0.679 | −0.5 (−2.2 to 1.2) | 0.555 |
| Elementary occupation | 904 | −0.2 (−0.9 to 0.5) | 0.566 | −0.2 (−2.0 to 1.5) | 0.794 |
| Disposable income | |||||
| <20th percentile | 3183 | Reference | Reference | Reference | Reference |
| 20–50th percentile | 4442 | 0.2 (−0.2 to 0.7) | 0.333 | 0.4 (−0.8 to 1.5) | 0.547 |
| 50–80th percentile | 3982 | 0.0 (−0.4 to 0.5) | 0.854 | −0.1 (−1.3 to 1.1) | 0.879 |
| >80th percentile | 1518 | −0.1 (−0.8 to 0.5) | 0.729 | 0.1 (−1.5 to 1.7) | 0.896 |
| Residence | |||||
| Large city and municipality | 4930 | Reference | Reference | Reference | Reference |
| Medium-sized town and municipality | 4260 | 0.8 (0.4–1.2) | 0.0001* | 1.8 (0.8–2.8) | 0.0006* |
| Small town, urban area, rural municipality | 4070 | 0.8 (0.4–1.2) | <0.0001* | 1.9 (0.9–2.9) | 0.0002* |
| Marital status | |||||
| Married/partner | 6012 | Reference | Reference | Reference | Reference |
| Divorced/widow/widower | 2085 | 0.1 (−0.4 to 0.5) | 0.806 | 0.1 (−1.1 to 1.3) | 0.126 |
| Single | 5167 | −0.3 (−0.7 to 0.1) | 0.152 | −0.6 (−1.6 to 0.4) | 0.210 |
| Financial aid | |||||
| None | 10,196 | Reference | Reference | Reference | Reference |
| Retirement pension | 236 | −0.5 (−1.7 to 0.8) | 0.482 | −1.9 (−5.1–1.4) | 0.258 |
| Disability pension/early retirement | 2145 | −0.3 (−0.8 to 0.1) | 0.177 | −0.5 (−1.7 to 0.7) | 0.451 |
| Social benefits | 698 | −0.8 (−1.5 to −0.0) | 0.041 | −1.4 (−3.2 to 0.5) | 0.139 |
| Heritage | |||||
| Swedish born, Swedish descendant | 10,665 | Reference | Reference | Reference | Reference |
| Swedish born, non-Swedish descendant | 709 | −0.5 (−1.2 to 0.2) | 0.157 | −1.3 (−3.1 to 0.5) | 0.165 |
| Born outside Sweden | 1889 | −2.4 (−2.9 to −1.9) | <0.0001* | −6.2 (−7.4 to −5.0) | <0.0001* |
Results of linear regression models on the total weight loss and excess weight loss, 5 years after primary gastric bypass.
aAdjusted for age, preoperative BMI, sex, sleep apnoea, hypertension, T2DM, dyslipidaemia, dyspepsia/GERD, depression, cardiovascular comorbidity.
*Significant p value (p < 0.05) after correction for multiple calculations.