During recruitment, introductory letters were mailed to individuals from sampling frames generated from the voter lists. A research assistant followed up with a phone call to establish eligibility and schedule a clinic visit. At the baseline clinic visit, written consent was obtained and participants c...
3.Some students don’t eat three meals a day. No matter what happens, you should not skip any meal of the day. Eating regularly helps keep your metabolism (新陈代谢) high and keeps your energy up. It’s especially important to eat a good breakfast every day with protein, carbohydrates ...
Bi-annual engagement postcards or letters will be mailed to all participants with the aim of increasing retention. Table 3 Delayed intervention design for component 4 (randomized trial) Full size table In Year 3, to compensate for study attrition, we will recruit additional participants and ...
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