Table A1.
BMI during follow-up
| Year group | n | First quartile | Median | Third quartile | Mean | SD | Z | P |
|---|---|---|---|---|---|---|---|---|
| Women | ||||||||
| Baseline | ||||||||
| Intensive | 302 | 21.29 | 23.35 | 25.26 | 23.41 | 2.76 | — | — |
| Conventional | 278 | 21.22 | 22.96 | 24.97 | 23.24 | 2.87 | — | — |
| 1 | ||||||||
| Intensive | 286 | 22.19 | 24.07 | 26.62 | 24.43 | 3.08 | −5.99 | <0.001 |
| Conventional | 265 | 21.47 | 23.25 | 25.26 | 23.59 | 2.96 | ||
| 2 | ||||||||
| Intensive | 267 | 22.28 | 24.24 | 26.89 | 24.82 | 3.40 | −6.11 | <0.001 |
| Conventional | 252 | 21.59 | 23.49 | 25.61 | 23.79 | 2.94 | ||
| 3 | ||||||||
| Intensive | 243 | 22.45 | 24.59 | 27.47 | 25.21 | 3.63 | −5.70 | <0.001 |
| Conventional | 233 | 21.56 | 23.70 | 25.67 | 23.96 | 3.12 | ||
| 4 | ||||||||
| Intensive | 229 | 22.62 | 24.82 | 28.21 | 25.54 | 3.90 | −4.78 | <0.001 |
| Conventional | 223 | 21.86 | 24.07 | 26.01 | 24.29 | 3.12 | ||
| 5 | ||||||||
| Intensive | 195 | 22.97 | 25.14 | 28.49 | 26.22 | 4.29 | −5.93 | <0.001 |
| Conventional | 184 | 21.92 | 24.08 | 26.19 | 24.41 | 3.11 | ||
| 6 | ||||||||
| Intensive | 134 | 23.20 | 25.28 | 29.00 | 26.25 | 4.37 | −4.66 | <0.001 |
| Conventional | 121 | 22.02 | 24.28 | 26.61 | 24.66 | 3.39 | ||
| 7 | ||||||||
| Intensive | 78 | 23.83 | 25.69 | 29.71 | 26.90 | 4.85 | −2.71 | 0.007 |
| Conventional | 68 | 22.90 | 24.12 | 26.97 | 25.20 | 3.53 | ||
| 8 | ||||||||
| Intensive | 34 | 22.73 | 24.53 | 30.45 | 26.58 | 5.48 | −1.93 | 0.054 |
| Conventional | 38 | 22.84 | 25.19 | 27.91 | 25.84 | 3.84 | ||
| 9 | ||||||||
| Intensive | 31 | 22.96 | 24.87 | 30.04 | 26.99 | 5.64 | −1.73 | 0.083 |
| Conventional | 30 | 23.27 | 26.00 | 28.17 | 26.07 | 3.34 | ||
| Overall (test of stochastic ordering) | 6.87 | <0.0001 | ||||||
| Men | ||||||||
| Baseline | ||||||||
| Intensive | 317 | 21.71 | 23.39 | 25.28 | 23.67 | 2.54 | ||
| Conventional | 349 | 22.42 | 24.28 | 26.07 | 24.35 | 2.64 | ||
| 1 | ||||||||
| Intensive | 316 | 22.92 | 24.19 | 26.20 | 24.77 | 2.72 | −6.06 | <0.001 |
| Conventional | 347 | 22.81 | 24.60 | 26.49 | 24.74 | 2.76 | ||
| 2 | ||||||||
| Intensive | 315 | 23.22 | 24.71 | 26.92 | 25.26 | 2.97 | −7.84 | <0.001 |
| Conventional | 347 | 23.05 | 24.80 | 26.71 | 24.86 | 2.67 | ||
| 3 | ||||||||
| Intensive | 312 | 23.56 | 25.17 | 27.28 | 25.69 | 3.19 | −8.82 | <0.001 |
| Conventional | 346 | 23.10 | 25.13 | 26.92 | 25.06 | 2.73 | ||
| 4 | ||||||||
| Intensive | 311 | 23.92 | 25.28 | 27.87 | 25.92 | 3.29 | −9.18 | <0.001 |
| Conventional | 344 | 23.26 | 24.99 | 27.15 | 25.15 | 2.74 | ||
| 5 | ||||||||
| Intensive | 269 | 23.82 | 25.59 | 28.03 | 26.09 | 3.40 | −7.66 | <0.001 |
| Conventional | 299 | 23.47 | 24.96 | 27.24 | 25.34 | 2.81 | ||
| 6 | ||||||||
| Intensive | 192 | 24.04 | 25.80 | 28.38 | 26.52 | 4.44 | −7.50 | <0.001 |
| Conventional | 200 | 23.53 | 24.77 | 26.97 | 25.24 | 2.84 | ||
| 7 | ||||||||
| Intensive | 109 | 23.80 | 26.17 | 28.80 | 26.53 | 3.66 | −5.31 | <0.001 |
| Conventional | 119 | 23.69 | 25.18 | 26.85 | 25.46 | 2.97 | ||
| 8 | ||||||||
| Intensive | 65 | 24.37 | 25.78 | 28.93 | 26.88 | 4.06 | −4.61 | <0.001 |
| Conventional | 63 | 22.83 | 24.90 | 26.75 | 25.11 | 2.74 | ||
| 9 | ||||||||
| Intensive | 46 | 23.96 | 26.03 | 30.12 | 27.18 | 4.37 | −3.75 | <0.001 |
| Conventional | 46 | 23.55 | 24.79 | 27.02 | 25.44 | 2.98 | ||
| Overall (test of stochastic ordering) | −9.84 | <0.0001 |
Test statistics and P values for group differences at each individual year are from the large-sample approximation to the Wilcoxon’s rank-sum test using the Wei-Lachin variance estimate. The “overall” results are based on the Wei-Lachin test of stochastic ordering.