Journal of Obesity / 2015 / Article / Tab 2

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 variableGroup 1
17-week program
Group 2
17-week + maintenance

Weight loss ≥5%
 Week 1789 (90)89 (89)1.00*
 Week 6944 (44)51 (52)0.40*
 Week 12134 (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)
 Baseline120.6 (23.5)117.8 (22.0)0.53**
 Week 17105.0 (22.0)103.8 (22.3)
 Week 69113.8 (25.9)111.3 (23.0)
 Week 121116.6 (27.2)114.4 (23.1)
BMI (SD, kg/m2)
 Baseline42.1 (5.7)41.4 (6.4)0.43**
 Week 1736.7 (5.9)36.4 (6.7)
 Week 6939.7 (6.9)39.0 (6.9)
 Week 12140.7 (7.4)40.1 (6.9)

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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