Table 1.
N | %TWL | B (95% CI) | Unadjusted p | |
---|---|---|---|---|
Age | ||||
<30 | 1877 | 31.1 ± 10.59 | Reference | Reference |
30–40 | 3474 | 29.7 ± 9.79 | −1.4 (−2.0 to −0.9) | <0.0001* |
40–50 | 4303 | 27.8 ± 9.57 | −3.3 (3.8 to −2.8) | <0.0001* |
50–60 | 2798 | 26.5 ± 9.22 | −4.7 (−5.2 to −4.1) | <0.0001* |
>60 | 823 | 24.9 ± 9.43 | −6.2 (−7.1 to −5.4) | <0.0001* |
BMI | ||||
<40 | 4617 | 26.5 ± 9.17 | Reference | Reference |
40–50 | 7521 | 29.0 ± 9.88 | 2.5 (2.2–2.9) | <0.0001* |
50–60 | 1048 | 30.6 ± 10.90 | 4.1 (3.4–4.7) | <0.0001* |
>60 | 89 | 32.1 ± 13.71 | 5.5 (3.6–7.5) | <0.0001* |
Sex | ||||
Female | 10,308 | 28.9 ± 9.83 | Reference | Reference |
Male | 2967 | 26.1 ± 9.63 | −2.8 (−3.2 to −2.4) | <0.0001* |
Comorbidity | ||||
Sleep apnoea | 1275 | 26.4 ± 9.91 | −2.1 (−2.7 to −1.6) | <0.0001* |
Hypertension | 3574 | 26.3 ± 9.52 | −2.7 (−3.1 to −2.3) | <0.0001* |
Diabetes | 2604 | 25.1 ± 9.50 | −3.9 (−4.4 to −3.5) | <0.0001* |
Dyslipidaemia | 1412 | 25.6 ± 9.73 | −3.0 (−3.5 to −2.5) | <0.0001* |
Dyspepsia/GERD | 1053 | 27.5 ± 9.96 | −0.9 (−1.5 to −0.3) | 0.006 |
Depression | 1731 | 26.9 ± 11.04 | −1.6 (−2.1 to −1.1) | <0.0001* |
Cardiovascular comorbidity | 705 | 26.2 ± 9.97 | −2.2 (−3.0 to −1.5) | <0.0001* |
Education | ||||
Primary education < 9 years | 2232 | 28.4 ± 10.31 | −0.1 (−0.5 to 0.4) | 0.720 |
Secondary education | 8154 | 28.5 ± 9.78 | Reference | Reference |
Higher education < 3 years | 1408 | 27.8 ± 9.73 | −0.7 (−1.3 to −0.2) | 0.012 |
Higher education > 3 years | 1425 | 27.9 ± 9.54 | −0.5 (−1.1 to 0.0) | 0.054 |
Profession | ||||
Senior officials and management | 479 | 27.3 ± 8.61 | −2.0 (−2.9 to −1.1) | <0.0001* |
Professionals and technicians | 2815 | 27.7 ± 9.41 | −1.6 (−2.0 to −1.1) | <0.0001* |
Clerical support workers | 1291 | 28.4 ± 9.79 | −0.9 (−1.5 to −0.3) | 0.004* |
Services and sales workers | 4534 | 29.3 ± 9.85 | Reference | Reference |
Manual labour | 1773 | 27.3 ± 9.50 | −2.0 (−2.5 to −1.5) | <0.0001* |
Elementary occupation | 904 | 28.2 ± 9.95 | −1.1 (−1.8 to −0.4) | 0.003* |
Disposable income | ||||
<20th percentile | 3183 | 28.7 ± 10.56 | Reference | Reference |
20–50th percentile | 4442 | 28.6 ± 10.04 | −0.1 (−0.6 to 0.4) | 0.711 |
50–80th percentile | 3982 | 28.1 ± 9.30 | −0.6 (−1.1 to −0.2) | 0.007 |
>80th percentile | 1518 | 27.1 ± 9.07 | −1.6 (−2.2 to −1.0) | <0.0001* |
Residence | ||||
Large city and municipality | 4930 | 27.5 ± 9.66 | Reference | Reference |
Medium-sized town and municipality | 4260 | 28.8 ± 10.08 | 1.2 (0.8–1.6) | <0.0001* |
Small town, urban area, rural municipality | 4070 | 28.7 ± 9.81 | 1.2 (0.8–1.6) | <0.0001* |
Marital status | ||||
Married/partner | 6012 | 28.0 ± 9.52 | Reference | Reference |
Divorced/widow/widower | 2085 | 27.6 ± 9.91 | −0.4 (−0.9 to 0.1) | 0.103 |
Single | 5167 | 29.0 ± 10.18 | 1.0 (0.7–1.4) | <0.0001* |
Financial aid | ||||
None | 10,196 | 28.6 ± 9.57 | Reference | Reference |
Retirement pension | 236 | 24.3 ± 9.78 | −4.3 (−5.6 to −3.1) | <0.0001* |
Disability pension/early retirement | 2145 | 27.0 ± 10.48 | −1.7 (−2.1 to −1.2) | <0.0001* |
Social benefits | 698 | 28.9 ± 11.29 | 0.3 (−0.4 to 1.1) | 0.405 |
Heritage | ||||
Swedish born, Swedish descendant | 10,665 | 28.7 ± 9.86 | Reference | Reference |
Swedish born, non-Swedish descendant | 709 | 28.8 ± 9.62 | 0.1 (−0.7 to 0.8) | 0.844 |
Born outside Sweden | 1889 | 25.9 ± 9.62 | −2.7 (−3.2 to −2.3) | <0.0001* |
Total weight loss at 5 years after surgery, presented as mean ± standard deviation. Beta-values (95% Confidence Intervals) estimated with univariable linear regression.
*Significant p value (p < 0.05) after correction for multiple calculations.