This cluster-randomized controlled trial evaluated the effectiveness of technology-assisted programs in replacing sedentary time (ST) with physical activity (PA) among Indian office workers. A total of 136 sedentary workers were randomized into two intervention groups: technology-assisted (SMART) and self-directed (TRADE), along with a control group. The SMART group used a smartphone app featuring hourly exercise video prompts and a pedometer, while the TRADE group received a wellness manual with strategies for reducing ST and increasing PA. ST and PA levels were assessed using accelerometers at baseline, 3 months, and 6 months. The SMART group showed a marginal reduction in ST (approximately 6 min/day) at 3 months (beta -0.340, p = 0.015) and 6 months (beta 0.114, p = 0.030). But the improvements were not sustained at 6 months in TRADE group (beta 0.105, p = 0.064). A significant decline in compliance (n = 57, 63%) in both intervention groups. Future trials should incorporate organizational-level strategies to enhance compliance.
With permission from Excerpta Medica Inc.

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