Chao He|Shiyan Wu|Yingying Zhao|Zheng Li|Yanyan Zhang|Le Jia|Lei Wang|Siyang Wan|Changqing Li|Yindong Li|Xia Sun
Social Media–Promoted Weight Loss Among an Occupational Population: Cohort Study Using a WeChat Mobile Phone App-Based Campaign
Beijing Center for Disease Prevention and Control|Peking University|Beijing Center for Disease Prevention and Control|Beijing Center for Disease Prevention and Control|Beijing Center for Disease Prevention and Control|Beijing Center for Disease Prevention and Control|Beijing Center for Disease Prevention and Control|Beijing Center for Disease Prevention and Control|Beijing Center for Disease Prevention and Control|Beijing Center for Disease Prevention and Control|Peking University
overweight obese major risk factors noncommunicable diseases cardiovascular diseases prevalence overweight obesity high throughout world issues serious shunyi district china mobile technologies rapidly developed mobile apps wechat well accepted potential improve health behaviorsthis study aims evaluate effectiveness mobile app wechat intervention weight loss behaviorthis study conducted among occupational population august 2015 february 2016 shunyi district beijing intervention shunyi district government released official document weight loss 134 government agencies enterprises shunyi district participants willing use official wechat account enrolled wechat group received 6 months interventions weight loss willing use account control group given routine publicity weight lossin total 15310 occupational participants including 3467 participants 2265 control group 11843 participants 7735 wechat group enrolled participants wechat group lost weight mean 209 sd 343 kg people control group mean 178 sd 296 kg difference mean weight loss two groups males significant based stratification age educational level control confounding factors explore effects wechat weight loss propensity score method multinominal logistic regression utilized males showed wechat group active inactive subgroups higher probability maintaining weight weight loss 1 2 kg weight loss 2 kg control group however control group higher probability weight loss 0 1 kg active wechat likely associated weight loss active participants weight loss program via wechat weight lostthe weight loss intervention campaign based official wechat account focused occupationbased population shunyi district effective males active male participants using wechat weight lost might effect may even negative effect weight loss females future research focus improve adherence wechat weight loss interventions improve refine wechat content developing variety materials attract interest protect personal privacy especially females