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No weight loss at month 4 (P=0.23), but there is significant weight loss at month 9 for GWL (P=0.05). There is significant weight loss at month 4 and at month 9 for GWL+Armband (both P < 0.0001). There is significant weight loss at month 4 and at month 9 for Armband alone (both P < 0.01). No weight loss at month 4 or month 9 for Standard care (both P > 0.05).
At month 4, no significant difference in weight between GWL and GWL+Armband (P=0.23) which means GWL+Armband produced weight loss comparable to the GWL over 4 months. At month 9, there is borderline significant difference in weight between GWL and GWL+Armband (P=0.06) which means GWL+Armband produced weight loss greater than the GWL over 9 months. At month 9, no significant difference in weight between Armband alone and GWL (P=0.44) which means Armband alone produced weight loss comparable to the GWL over 9 months.
At month 4, no significant difference in weight between any of the three intervention groups comparing with the Standard care group (All p>0.05). At month 9, there is significant difference in weight between GWL+Armband and the Standard care (P=0.02). |