Clinical Study
Long-Term Weight Maintenance after a 17-Week Weight Loss Intervention with or without a One-Year Maintenance Program: A Randomized Controlled Trial
Table 2
Number (%) of patients with 5% or more weight loss, mean weight change, mean weight (SD), and BMI (SD) by treatment condition.
| | Outcome variable | Group 1
17-week program | Group 2
17-week + maintenance | |
| | Weight loss ≥5% | | | | | Week 17 | 89 (90) | 89 (89) | 1.00* | | Week 69 | 44 (44) | 51 (52) | 0.40* | | Week 121 | 34 (34) | 32 (33) | 0.77* | | Weight change % (95% CI) | | | | | 0 to week 17 | −12.9 (−11.7 to −14.1) | −12.1 (−10.9 to −13.3) | | | 0 to week 69 | −5.8 (−4.4 to −7.4) | −5.7 (−4.1 to −7.1) | 0.71** | | 0 to week 121 | −3.5 (−1.8 to −5.2) | −2.9 (−1.3 to −4.6) | | | Weight (SD) | | | | | Baseline | 120.6 (23.5) | 117.8 (22.0) | 0.53** | | Week 17 | 105.0 (22.0) | 103.8 (22.3) | | Week 69 | 113.8 (25.9) | 111.3 (23.0) | | Week 121 | 116.6 (27.2) | 114.4 (23.1) | | BMI (SD, kg/m2) | | | | | Baseline | 42.1 (5.7) | 41.4 (6.4) | 0.43** | | Week 17 | 36.7 (5.9) | 36.4 (6.7) | | Week 69 | 39.7 (6.9) | 39.0 (6.9) | | Week 121 | 40.7 (7.4) | 40.1 (6.9) |
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By Fisher’s exact test, value for test of treatment effect (group × time interaction) in general linear modelling, repeated measure procedure.
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