Lifestyle Modification for Weight Reduction With Peer Support Among Adults in an Urban Slum of Karachi, Pakistan

The lifestyle modification intervention, supported by peers and WhatsApp voice calls aimed to assist participants in making dietary modifications, increasing physical activity, and achieve a weight loss of 5% of their initial body weight as well as avoid weight gain. A trained nutritionist delivered the intervention after the baseline assessment individually or in groups that covered six sessions related to dietary modifications, physical activity, set-up goals and action plans, and peer assignments and then once monthly for a year using WhatsApp voice calls to the participants and peers.